736 lines
34 KiB
LLVM
736 lines
34 KiB
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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||
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|
; RUN: opt -S -instcombine %s | FileCheck %s
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define <1 x i8> @test1(<8 x i8> %in) {
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||
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; CHECK-LABEL: @test1(
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||
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; CHECK-NEXT: [[VEC:%.*]] = shufflevector <8 x i8> [[IN:%.*]], <8 x i8> undef, <1 x i32> <i32 5>
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||
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; CHECK-NEXT: ret <1 x i8> [[VEC]]
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||
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|
;
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||
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|
%val = extractelement <8 x i8> %in, i32 5
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||
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%vec = insertelement <1 x i8> poison, i8 %val, i32 0
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||
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ret <1 x i8> %vec
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||
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|
}
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||
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|
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||
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define <4 x i16> @test2(<8 x i16> %in, <8 x i16> %in2) {
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||
|
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: [[VEC_3:%.*]] = shufflevector <8 x i16> [[IN2:%.*]], <8 x i16> [[IN:%.*]], <4 x i32> <i32 11, i32 9, i32 0, i32 10>
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||
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; CHECK-NEXT: ret <4 x i16> [[VEC_3]]
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||
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;
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||
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%elt0 = extractelement <8 x i16> %in, i32 3
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||
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%elt1 = extractelement <8 x i16> %in, i32 1
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%elt2 = extractelement <8 x i16> %in2, i32 0
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%elt3 = extractelement <8 x i16> %in, i32 2
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%vec.0 = insertelement <4 x i16> poison, i16 %elt0, i32 0
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%vec.1 = insertelement <4 x i16> %vec.0, i16 %elt1, i32 1
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||
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%vec.2 = insertelement <4 x i16> %vec.1, i16 %elt2, i32 2
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||
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%vec.3 = insertelement <4 x i16> %vec.2, i16 %elt3, i32 3
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||
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||
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ret <4 x i16> %vec.3
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||
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}
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||
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|
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||
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define <2 x i64> @test_vcopyq_lane_p64(<2 x i64> %a, <1 x i64> %b) {
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; CHECK-LABEL: @test_vcopyq_lane_p64(
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; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <1 x i64> [[B:%.*]], <1 x i64> undef, <2 x i32> <i32 0, i32 undef>
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||
|
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; CHECK-NEXT: [[RES:%.*]] = shufflevector <2 x i64> [[A:%.*]], <2 x i64> [[TMP1]], <2 x i32> <i32 0, i32 2>
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; CHECK-NEXT: ret <2 x i64> [[RES]]
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||
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;
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%elt = extractelement <1 x i64> %b, i32 0
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%res = insertelement <2 x i64> %a, i64 %elt, i32 1
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ret <2 x i64> %res
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}
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; PR2109: https://llvm.org/bugs/show_bug.cgi?id=2109
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define <4 x float> @widen_extract2(<4 x float> %ins, <2 x float> %ext) {
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; CHECK-LABEL: @widen_extract2(
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; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <2 x float> [[EXT:%.*]], <2 x float> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
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||
|
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; CHECK-NEXT: [[I2:%.*]] = shufflevector <4 x float> [[INS:%.*]], <4 x float> [[TMP1]], <4 x i32> <i32 0, i32 4, i32 2, i32 5>
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; CHECK-NEXT: ret <4 x float> [[I2]]
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||
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;
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||
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%e1 = extractelement <2 x float> %ext, i32 0
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%e2 = extractelement <2 x float> %ext, i32 1
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%i1 = insertelement <4 x float> %ins, float %e1, i32 1
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%i2 = insertelement <4 x float> %i1, float %e2, i32 3
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ret <4 x float> %i2
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}
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define <4 x float> @widen_extract3(<4 x float> %ins, <3 x float> %ext) {
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|
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; CHECK-LABEL: @widen_extract3(
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; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <3 x float> [[EXT:%.*]], <3 x float> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 undef>
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|
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; CHECK-NEXT: [[I3:%.*]] = shufflevector <4 x float> [[INS:%.*]], <4 x float> [[TMP1]], <4 x i32> <i32 6, i32 5, i32 4, i32 3>
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; CHECK-NEXT: ret <4 x float> [[I3]]
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;
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%e1 = extractelement <3 x float> %ext, i32 0
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%e2 = extractelement <3 x float> %ext, i32 1
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%e3 = extractelement <3 x float> %ext, i32 2
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%i1 = insertelement <4 x float> %ins, float %e1, i32 2
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%i2 = insertelement <4 x float> %i1, float %e2, i32 1
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%i3 = insertelement <4 x float> %i2, float %e3, i32 0
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ret <4 x float> %i3
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}
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define <8 x float> @widen_extract4(<8 x float> %ins, <2 x float> %ext) {
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; CHECK-LABEL: @widen_extract4(
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; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <2 x float> [[EXT:%.*]], <2 x float> undef, <8 x i32> <i32 0, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
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; CHECK-NEXT: [[I1:%.*]] = shufflevector <8 x float> [[INS:%.*]], <8 x float> [[TMP1]], <8 x i32> <i32 0, i32 1, i32 8, i32 3, i32 4, i32 5, i32 6, i32 7>
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; CHECK-NEXT: ret <8 x float> [[I1]]
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;
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%e1 = extractelement <2 x float> %ext, i32 0
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%i1 = insertelement <8 x float> %ins, float %e1, i32 2
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ret <8 x float> %i1
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}
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; PR26015: https://llvm.org/bugs/show_bug.cgi?id=26015
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; The widening shuffle must be inserted before any uses.
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define <8 x i16> @pr26015(<4 x i16> %t0) {
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; CHECK-LABEL: @pr26015(
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; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x i16> [[T0:%.*]], <4 x i16> undef, <8 x i32> <i32 undef, i32 undef, i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef>
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; CHECK-NEXT: [[T5:%.*]] = shufflevector <8 x i16> <i16 0, i16 0, i16 0, i16 poison, i16 0, i16 0, i16 0, i16 poison>, <8 x i16> [[TMP1]], <8 x i32> <i32 0, i32 1, i32 2, i32 10, i32 4, i32 5, i32 6, i32 11>
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; CHECK-NEXT: ret <8 x i16> [[T5]]
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;
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%t1 = extractelement <4 x i16> %t0, i32 2
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%t2 = insertelement <8 x i16> zeroinitializer, i16 %t1, i32 3
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%t3 = insertelement <8 x i16> %t2, i16 0, i32 6
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%t4 = extractelement <4 x i16> %t0, i32 3
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%t5 = insertelement <8 x i16> %t3, i16 %t4, i32 7
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ret <8 x i16> %t5
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}
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; PR25999: https://llvm.org/bugs/show_bug.cgi?id=25999
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; TODO: The widening shuffle could be inserted at the start of the function to allow the first extract to use it.
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define <8 x i16> @pr25999(<4 x i16> %t0, i1 %b) {
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; CHECK-LABEL: @pr25999(
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; CHECK-NEXT: [[T1:%.*]] = extractelement <4 x i16> [[T0:%.*]], i32 2
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; CHECK-NEXT: br i1 [[B:%.*]], label [[IF:%.*]], label [[END:%.*]]
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; CHECK: if:
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; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x i16> [[T0]], <4 x i16> undef, <8 x i32> <i32 undef, i32 undef, i32 undef, i32 3, i32 undef, i32 undef, i32 undef, i32 undef>
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; CHECK-NEXT: [[T3:%.*]] = insertelement <8 x i16> <i16 0, i16 0, i16 0, i16 poison, i16 0, i16 0, i16 0, i16 poison>, i16 [[T1]], i32 3
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; CHECK-NEXT: [[T5:%.*]] = shufflevector <8 x i16> [[T3]], <8 x i16> [[TMP1]], <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 11>
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; CHECK-NEXT: ret <8 x i16> [[T5]]
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; CHECK: end:
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; CHECK-NEXT: [[A1:%.*]] = add i16 [[T1]], 4
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; CHECK-NEXT: [[T6:%.*]] = insertelement <8 x i16> <i16 poison, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0>, i16 [[A1]], i32 0
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; CHECK-NEXT: ret <8 x i16> [[T6]]
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;
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%t1 = extractelement <4 x i16> %t0, i32 2
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br i1 %b, label %if, label %end
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if:
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%t2 = insertelement <8 x i16> zeroinitializer, i16 %t1, i32 3
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%t3 = insertelement <8 x i16> %t2, i16 0, i32 6
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%t4 = extractelement <4 x i16> %t0, i32 3
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%t5 = insertelement <8 x i16> %t3, i16 %t4, i32 7
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ret <8 x i16> %t5
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end:
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%a1 = add i16 %t1, 4
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||
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%t6 = insertelement <8 x i16> zeroinitializer, i16 %a1, i32 0
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ret <8 x i16> %t6
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}
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; The widening shuffle must be inserted at a valid point (after the PHIs).
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define <4 x double> @pr25999_phis1(i1 %c, <2 x double> %a, <4 x double> %b) {
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; CHECK-LABEL: @pr25999_phis1(
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; CHECK-NEXT: bb1:
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; CHECK-NEXT: br i1 [[C:%.*]], label [[BB2:%.*]], label [[BB3:%.*]]
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; CHECK: bb2:
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; CHECK-NEXT: [[R:%.*]] = call <2 x double> @dummy(<2 x double> [[A:%.*]])
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; CHECK-NEXT: br label [[BB3]]
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||
|
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; CHECK: bb3:
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||
|
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; CHECK-NEXT: [[TMP1:%.*]] = phi <2 x double> [ [[A]], [[BB1:%.*]] ], [ [[R]], [[BB2]] ]
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; CHECK-NEXT: [[TMP2:%.*]] = phi <4 x double> [ [[B:%.*]], [[BB1]] ], [ zeroinitializer, [[BB2]] ]
|
||
|
|
; CHECK-NEXT: [[TMP0:%.*]] = shufflevector <2 x double> [[TMP1]], <2 x double> undef, <4 x i32> <i32 0, i32 undef, i32 undef, i32 undef>
|
||
|
|
; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <4 x double> [[TMP2]], <4 x double> [[TMP0]], <4 x i32> <i32 0, i32 1, i32 4, i32 3>
|
||
|
|
; CHECK-NEXT: ret <4 x double> [[TMP4]]
|
||
|
|
;
|
||
|
|
bb1:
|
||
|
|
br i1 %c, label %bb2, label %bb3
|
||
|
|
|
||
|
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bb2:
|
||
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%r = call <2 x double> @dummy(<2 x double> %a)
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br label %bb3
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bb3:
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|
%tmp1 = phi <2 x double> [ %a, %bb1 ], [ %r, %bb2 ]
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||
|
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%tmp2 = phi <4 x double> [ %b, %bb1 ], [ zeroinitializer, %bb2 ]
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||
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%tmp3 = extractelement <2 x double> %tmp1, i32 0
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||
|
|
%tmp4 = insertelement <4 x double> %tmp2, double %tmp3, i32 2
|
||
|
|
ret <4 x double> %tmp4
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||
|
|
}
|
||
|
|
|
||
|
|
declare <2 x double> @dummy(<2 x double>)
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||
|
|
|
||
|
|
define <4 x double> @pr25999_phis2(i1 %c, <2 x double> %a, <4 x double> %b) {
|
||
|
|
; CHECK-LABEL: @pr25999_phis2(
|
||
|
|
; CHECK-NEXT: bb1:
|
||
|
|
; CHECK-NEXT: br i1 [[C:%.*]], label [[BB2:%.*]], label [[BB3:%.*]]
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||
|
|
; CHECK: bb2:
|
||
|
|
; CHECK-NEXT: [[R:%.*]] = call <2 x double> @dummy(<2 x double> [[A:%.*]])
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||
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|
; CHECK-NEXT: br label [[BB3]]
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||
|
|
; CHECK: bb3:
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||
|
|
; CHECK-NEXT: [[TMP1:%.*]] = phi <2 x double> [ [[A]], [[BB1:%.*]] ], [ [[R]], [[BB2]] ]
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|
|
; CHECK-NEXT: [[TMP2:%.*]] = phi <4 x double> [ [[B:%.*]], [[BB1]] ], [ zeroinitializer, [[BB2]] ]
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||
|
|
; CHECK-NEXT: [[D:%.*]] = fadd <2 x double> [[TMP1]], [[TMP1]]
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||
|
|
; CHECK-NEXT: [[TMP0:%.*]] = shufflevector <2 x double> [[D]], <2 x double> undef, <4 x i32> <i32 0, i32 undef, i32 undef, i32 undef>
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|
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; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <4 x double> [[TMP2]], <4 x double> [[TMP0]], <4 x i32> <i32 0, i32 1, i32 4, i32 3>
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|
; CHECK-NEXT: ret <4 x double> [[TMP4]]
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|
;
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bb1:
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br i1 %c, label %bb2, label %bb3
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bb2:
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%r = call <2 x double> @dummy(<2 x double> %a)
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br label %bb3
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||
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bb3:
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%tmp1 = phi <2 x double> [ %a, %bb1 ], [ %r, %bb2 ]
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%tmp2 = phi <4 x double> [ %b, %bb1 ], [ zeroinitializer, %bb2 ]
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||
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%d = fadd <2 x double> %tmp1, %tmp1
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||
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%tmp3 = extractelement <2 x double> %d, i32 0
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||
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|
%tmp4 = insertelement <4 x double> %tmp2, double %tmp3, i32 2
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|
ret <4 x double> %tmp4
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||
|
|
}
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||
|
|
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||
|
|
; PR26354: https://llvm.org/bugs/show_bug.cgi?id=26354
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||
|
|
; Don't create a shufflevector if we know that we're not going to replace the insertelement.
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||
|
|
|
||
|
|
define double @pr26354(<2 x double>* %tmp, i1 %B) {
|
||
|
|
; CHECK-LABEL: @pr26354(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: [[LD:%.*]] = load <2 x double>, <2 x double>* [[TMP:%.*]], align 16
|
||
|
|
; CHECK-NEXT: br i1 [[B:%.*]], label [[IF:%.*]], label [[END:%.*]]
|
||
|
|
; CHECK: if:
|
||
|
|
; CHECK-NEXT: [[E2:%.*]] = extractelement <2 x double> [[LD]], i32 1
|
||
|
|
; CHECK-NEXT: [[I1:%.*]] = insertelement <4 x double> <double 0.000000e+00, double 0.000000e+00, double 0.000000e+00, double poison>, double [[E2]], i32 3
|
||
|
|
; CHECK-NEXT: br label [[END]]
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||
|
|
; CHECK: end:
|
||
|
|
; CHECK-NEXT: [[PH:%.*]] = phi <4 x double> [ undef, [[ENTRY:%.*]] ], [ [[I1]], [[IF]] ]
|
||
|
|
; CHECK-NEXT: [[E1:%.*]] = extractelement <2 x double> [[LD]], i32 0
|
||
|
|
; CHECK-NEXT: [[E3:%.*]] = extractelement <4 x double> [[PH]], i32 1
|
||
|
|
; CHECK-NEXT: [[MU:%.*]] = fmul double [[E1]], [[E3]]
|
||
|
|
; CHECK-NEXT: ret double [[MU]]
|
||
|
|
;
|
||
|
|
|
||
|
|
entry:
|
||
|
|
%ld = load <2 x double>, <2 x double>* %tmp
|
||
|
|
%e1 = extractelement <2 x double> %ld, i32 0
|
||
|
|
%e2 = extractelement <2 x double> %ld, i32 1
|
||
|
|
br i1 %B, label %if, label %end
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||
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|
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||
|
|
if:
|
||
|
|
%i1 = insertelement <4 x double> zeroinitializer, double %e2, i32 3
|
||
|
|
br label %end
|
||
|
|
|
||
|
|
end:
|
||
|
|
%ph = phi <4 x double> [ undef, %entry ], [ %i1, %if ]
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||
|
|
%e3 = extractelement <4 x double> %ph, i32 1
|
||
|
|
%mu = fmul double %e1, %e3
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||
|
|
ret double %mu
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||
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|
}
|
||
|
|
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||
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|
; https://llvm.org/bugs/show_bug.cgi?id=30923
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||
|
|
; Delete the widening shuffle if we're not going to reduce the extract/insert to a shuffle.
|
||
|
|
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||
|
|
define <4 x float> @PR30923(<2 x float> %x) {
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||
|
|
; CHECK-LABEL: @PR30923(
|
||
|
|
; CHECK-NEXT: bb1:
|
||
|
|
; CHECK-NEXT: [[EXT1:%.*]] = extractelement <2 x float> [[X:%.*]], i32 1
|
||
|
|
; CHECK-NEXT: store float [[EXT1]], float* undef, align 4
|
||
|
|
; CHECK-NEXT: br label [[BB2:%.*]]
|
||
|
|
; CHECK: bb2:
|
||
|
|
; CHECK-NEXT: [[EXT2:%.*]] = extractelement <2 x float> [[X]], i32 0
|
||
|
|
; CHECK-NEXT: [[INS1:%.*]] = insertelement <4 x float> <float 0.000000e+00, float 0.000000e+00, float poison, float poison>, float [[EXT2]], i32 2
|
||
|
|
; CHECK-NEXT: [[INS2:%.*]] = insertelement <4 x float> [[INS1]], float [[EXT1]], i32 3
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[INS2]]
|
||
|
|
;
|
||
|
|
bb1:
|
||
|
|
%ext1 = extractelement <2 x float> %x, i32 1
|
||
|
|
store float %ext1, float* undef, align 4
|
||
|
|
br label %bb2
|
||
|
|
|
||
|
|
bb2:
|
||
|
|
%widen = shufflevector <2 x float> %x, <2 x float> poison, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
|
||
|
|
%ext2 = extractelement <4 x float> %widen, i32 0
|
||
|
|
%ins1 = insertelement <4 x float> <float 0.0, float 0.0, float undef, float undef>, float %ext2, i32 2
|
||
|
|
%ins2 = insertelement <4 x float> %ins1, float %ext1, i32 3
|
||
|
|
ret <4 x float> %ins2
|
||
|
|
}
|
||
|
|
|
||
|
|
; Don't insert extractelements from the wider vector before the def of the index operand.
|
||
|
|
|
||
|
|
define <4 x i32> @extractelt_insertion(<2 x i32> %x, i32 %y) {
|
||
|
|
; CHECK-LABEL: @extractelt_insertion(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: [[TMP0:%.*]] = shufflevector <2 x i32> [[X:%.*]], <2 x i32> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
|
||
|
|
; CHECK-NEXT: [[B:%.*]] = shufflevector <4 x i32> <i32 0, i32 0, i32 0, i32 poison>, <4 x i32> [[TMP0]], <4 x i32> <i32 0, i32 1, i32 2, i32 5>
|
||
|
|
; CHECK-NEXT: [[C:%.*]] = add i32 [[Y:%.*]], 3
|
||
|
|
; CHECK-NEXT: [[TMP1:%.*]] = extractelement <4 x i32> [[TMP0]], i32 [[C]]
|
||
|
|
; CHECK-NEXT: [[E:%.*]] = icmp eq i32 [[TMP1]], 0
|
||
|
|
; CHECK-NEXT: [[RET:%.*]] = select i1 [[E]], <4 x i32> [[B]], <4 x i32> zeroinitializer
|
||
|
|
; CHECK-NEXT: ret <4 x i32> [[RET]]
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
%a = extractelement <2 x i32> %x, i32 1
|
||
|
|
%b = insertelement <4 x i32> zeroinitializer, i32 %a, i64 3
|
||
|
|
%c = add i32 %y, 3
|
||
|
|
%d = extractelement <2 x i32> %x, i32 %c
|
||
|
|
%e = icmp eq i32 %d, 0
|
||
|
|
%ret = select i1 %e, <4 x i32> %b, <4 x i32> zeroinitializer
|
||
|
|
ret <4 x i32> %ret
|
||
|
|
}
|
||
|
|
|
||
|
|
; PR34724: https://bugs.llvm.org/show_bug.cgi?id=34724
|
||
|
|
|
||
|
|
define <4 x float> @collectShuffleElts(<2 x float> %x, float %y) {
|
||
|
|
; CHECK-LABEL: @collectShuffleElts(
|
||
|
|
; CHECK-NEXT: [[X0:%.*]] = extractelement <2 x float> [[X:%.*]], i32 0
|
||
|
|
; CHECK-NEXT: [[X1:%.*]] = extractelement <2 x float> [[X]], i32 1
|
||
|
|
; CHECK-NEXT: [[V1:%.*]] = insertelement <4 x float> poison, float [[X0]], i32 1
|
||
|
|
; CHECK-NEXT: [[V2:%.*]] = insertelement <4 x float> [[V1]], float [[X1]], i32 2
|
||
|
|
; CHECK-NEXT: [[V3:%.*]] = insertelement <4 x float> [[V2]], float [[Y:%.*]], i32 3
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[V3]]
|
||
|
|
;
|
||
|
|
%x0 = extractelement <2 x float> %x, i32 0
|
||
|
|
%x1 = extractelement <2 x float> %x, i32 1
|
||
|
|
%v1 = insertelement <4 x float> poison, float %x0, i32 1
|
||
|
|
%v2 = insertelement <4 x float> %v1, float %x1, i32 2
|
||
|
|
%v3 = insertelement <4 x float> %v2, float %y, i32 3
|
||
|
|
ret <4 x float> %v3
|
||
|
|
}
|
||
|
|
|
||
|
|
; Simplest case - insert scalar into undef, then shuffle that value in place into another vector.
|
||
|
|
|
||
|
|
define <4 x float> @insert_shuffle(float %x, <4 x float> %y) {
|
||
|
|
; CHECK-LABEL: @insert_shuffle(
|
||
|
|
; CHECK-NEXT: [[R:%.*]] = insertelement <4 x float> [[Y:%.*]], float [[X:%.*]], i32 0
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[R]]
|
||
|
|
;
|
||
|
|
%xv = insertelement <4 x float> poison, float %x, i32 0
|
||
|
|
%r = shufflevector <4 x float> %xv, <4 x float> %y, <4 x i32> <i32 0, i32 5, i32 6, i32 7>
|
||
|
|
ret <4 x float> %r
|
||
|
|
}
|
||
|
|
|
||
|
|
; Insert scalar into some element of a dummy vector, then move it to a different element in another vector.
|
||
|
|
|
||
|
|
define <4 x float> @insert_shuffle_translate(float %x, <4 x float> %y) {
|
||
|
|
; CHECK-LABEL: @insert_shuffle_translate(
|
||
|
|
; CHECK-NEXT: [[R:%.*]] = insertelement <4 x float> [[Y:%.*]], float [[X:%.*]], i32 1
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[R]]
|
||
|
|
;
|
||
|
|
%xv = insertelement <4 x float> poison, float %x, i32 0
|
||
|
|
%r = shufflevector <4 x float> %xv, <4 x float> %y, <4 x i32> <i32 4, i32 0, i32 6, i32 7>
|
||
|
|
ret <4 x float> %r
|
||
|
|
}
|
||
|
|
|
||
|
|
; The vector operand of the insert is irrelevant.
|
||
|
|
|
||
|
|
define <4 x float> @insert_not_undef_shuffle_translate(float %x, <4 x float> %y, <4 x float> %q) {
|
||
|
|
; CHECK-LABEL: @insert_not_undef_shuffle_translate(
|
||
|
|
; CHECK-NEXT: [[R:%.*]] = insertelement <4 x float> [[Y:%.*]], float [[X:%.*]], i32 2
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[R]]
|
||
|
|
;
|
||
|
|
%xv = insertelement <4 x float> %q, float %x, i32 3
|
||
|
|
%r = shufflevector <4 x float> %xv, <4 x float> %y, <4 x i32> <i32 4, i32 5, i32 3, i32 7>
|
||
|
|
ret <4 x float> %r
|
||
|
|
}
|
||
|
|
|
||
|
|
; The insert may be the 2nd operand of the shuffle. The shuffle mask can include undef elements.
|
||
|
|
|
||
|
|
define <4 x float> @insert_not_undef_shuffle_translate_commute(float %x, <4 x float> %y, <4 x float> %q) {
|
||
|
|
; CHECK-LABEL: @insert_not_undef_shuffle_translate_commute(
|
||
|
|
; CHECK-NEXT: [[R:%.*]] = insertelement <4 x float> [[Y:%.*]], float [[X:%.*]], i32 1
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[R]]
|
||
|
|
;
|
||
|
|
%xv = insertelement <4 x float> %q, float %x, i32 2
|
||
|
|
%r = shufflevector <4 x float> %y, <4 x float> %xv, <4 x i32> <i32 0, i32 6, i32 2, i32 undef>
|
||
|
|
ret <4 x float> %r
|
||
|
|
}
|
||
|
|
|
||
|
|
; Both shuffle operands may be inserts - choose the correct side.
|
||
|
|
|
||
|
|
define <4 x float> @insert_insert_shuffle_translate(float %x1, float %x2, <4 x float> %q) {
|
||
|
|
; CHECK-LABEL: @insert_insert_shuffle_translate(
|
||
|
|
; CHECK-NEXT: [[XV2:%.*]] = insertelement <4 x float> [[Q:%.*]], float [[X2:%.*]], i32 2
|
||
|
|
; CHECK-NEXT: [[R:%.*]] = insertelement <4 x float> [[XV2]], float [[X1:%.*]], i32 1
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[R]]
|
||
|
|
;
|
||
|
|
%xv1 = insertelement <4 x float> %q, float %x1, i32 0
|
||
|
|
%xv2 = insertelement <4 x float> %q, float %x2, i32 2
|
||
|
|
%r = shufflevector <4 x float> %xv1, <4 x float> %xv2, <4 x i32> <i32 4, i32 0, i32 6, i32 7>
|
||
|
|
ret <4 x float> %r
|
||
|
|
}
|
||
|
|
|
||
|
|
; Both shuffle operands may be inserts - choose the correct side.
|
||
|
|
|
||
|
|
define <4 x float> @insert_insert_shuffle_translate_commute(float %x1, float %x2, <4 x float> %q) {
|
||
|
|
; CHECK-LABEL: @insert_insert_shuffle_translate_commute(
|
||
|
|
; CHECK-NEXT: [[XV1:%.*]] = insertelement <4 x float> [[Q:%.*]], float [[X1:%.*]], i32 0
|
||
|
|
; CHECK-NEXT: [[R:%.*]] = insertelement <4 x float> [[XV1]], float [[X2:%.*]], i32 1
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[R]]
|
||
|
|
;
|
||
|
|
%xv1 = insertelement <4 x float> %q, float %x1, i32 0
|
||
|
|
%xv2 = insertelement <4 x float> %q, float %x2, i32 2
|
||
|
|
%r = shufflevector <4 x float> %xv1, <4 x float> %xv2, <4 x i32> <i32 0, i32 6, i32 2, i32 3>
|
||
|
|
ret <4 x float> %r
|
||
|
|
}
|
||
|
|
|
||
|
|
; Negative test - this only works if the shuffle is choosing exactly 1 element from 1 of the inputs.
|
||
|
|
; TODO: But this could be a special-case because we're inserting into the same base vector.
|
||
|
|
|
||
|
|
define <4 x float> @insert_insert_shuffle_translate_wrong_mask(float %x1, float %x2, <4 x float> %q) {
|
||
|
|
; CHECK-LABEL: @insert_insert_shuffle_translate_wrong_mask(
|
||
|
|
; CHECK-NEXT: [[XV1:%.*]] = insertelement <4 x float> [[Q:%.*]], float [[X1:%.*]], i32 0
|
||
|
|
; CHECK-NEXT: [[XV2:%.*]] = insertelement <4 x float> [[Q]], float [[X2:%.*]], i32 2
|
||
|
|
; CHECK-NEXT: [[R:%.*]] = shufflevector <4 x float> [[XV1]], <4 x float> [[XV2]], <4 x i32> <i32 0, i32 6, i32 2, i32 7>
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[R]]
|
||
|
|
;
|
||
|
|
%xv1 = insertelement <4 x float> %q, float %x1, i32 0
|
||
|
|
%xv2 = insertelement <4 x float> %q, float %x2, i32 2
|
||
|
|
%r = shufflevector <4 x float> %xv1, <4 x float> %xv2, <4 x i32> <i32 0, i32 6, i32 2, i32 7>
|
||
|
|
ret <4 x float> %r
|
||
|
|
}
|
||
|
|
|
||
|
|
; The insert may have other uses.
|
||
|
|
|
||
|
|
declare void @use(<4 x float>)
|
||
|
|
|
||
|
|
define <4 x float> @insert_not_undef_shuffle_translate_commute_uses(float %x, <4 x float> %y, <4 x float> %q) {
|
||
|
|
; CHECK-LABEL: @insert_not_undef_shuffle_translate_commute_uses(
|
||
|
|
; CHECK-NEXT: [[XV:%.*]] = insertelement <4 x float> [[Q:%.*]], float [[X:%.*]], i32 2
|
||
|
|
; CHECK-NEXT: call void @use(<4 x float> [[XV]])
|
||
|
|
; CHECK-NEXT: [[R:%.*]] = insertelement <4 x float> [[Y:%.*]], float [[X]], i32 0
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[R]]
|
||
|
|
;
|
||
|
|
%xv = insertelement <4 x float> %q, float %x, i32 2
|
||
|
|
call void @use(<4 x float> %xv)
|
||
|
|
%r = shufflevector <4 x float> %y, <4 x float> %xv, <4 x i32> <i32 6, i32 undef, i32 2, i32 3>
|
||
|
|
ret <4 x float> %r
|
||
|
|
}
|
||
|
|
|
||
|
|
; Negative test - size-changing shuffle.
|
||
|
|
|
||
|
|
define <5 x float> @insert_not_undef_shuffle_translate_commute_lengthen(float %x, <4 x float> %y, <4 x float> %q) {
|
||
|
|
; CHECK-LABEL: @insert_not_undef_shuffle_translate_commute_lengthen(
|
||
|
|
; CHECK-NEXT: [[XV:%.*]] = insertelement <4 x float> poison, float [[X:%.*]], i32 2
|
||
|
|
; CHECK-NEXT: [[R:%.*]] = shufflevector <4 x float> [[Y:%.*]], <4 x float> [[XV]], <5 x i32> <i32 0, i32 6, i32 2, i32 undef, i32 undef>
|
||
|
|
; CHECK-NEXT: ret <5 x float> [[R]]
|
||
|
|
;
|
||
|
|
%xv = insertelement <4 x float> %q, float %x, i32 2
|
||
|
|
%r = shufflevector <4 x float> %y, <4 x float> %xv, <5 x i32> <i32 0, i32 6, i32 2, i32 undef, i32 undef>
|
||
|
|
ret <5 x float> %r
|
||
|
|
}
|
||
|
|
|
||
|
|
define <4 x float> @insert_nonzero_index_splat(float %x) {
|
||
|
|
; CHECK-LABEL: @insert_nonzero_index_splat(
|
||
|
|
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <4 x float> undef, float [[X:%.*]], i32 0
|
||
|
|
; CHECK-NEXT: [[SPLAT:%.*]] = shufflevector <4 x float> [[TMP1]], <4 x float> undef, <4 x i32> <i32 undef, i32 0, i32 0, i32 undef>
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[SPLAT]]
|
||
|
|
;
|
||
|
|
%xv = insertelement <4 x float> poison, float %x, i32 2
|
||
|
|
%splat = shufflevector <4 x float> %xv, <4 x float> poison, <4 x i32> <i32 undef, i32 2, i32 2, i32 undef>
|
||
|
|
ret <4 x float> %splat
|
||
|
|
}
|
||
|
|
|
||
|
|
define <3 x double> @insert_nonzero_index_splat_narrow(double %x) {
|
||
|
|
; CHECK-LABEL: @insert_nonzero_index_splat_narrow(
|
||
|
|
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <3 x double> undef, double [[X:%.*]], i32 0
|
||
|
|
; CHECK-NEXT: [[SPLAT:%.*]] = shufflevector <3 x double> [[TMP1]], <3 x double> undef, <3 x i32> <i32 0, i32 undef, i32 0>
|
||
|
|
; CHECK-NEXT: ret <3 x double> [[SPLAT]]
|
||
|
|
;
|
||
|
|
%xv = insertelement <4 x double> poison, double %x, i32 3
|
||
|
|
%splat = shufflevector <4 x double> %xv, <4 x double> poison, <3 x i32> <i32 3, i32 undef, i32 3>
|
||
|
|
ret <3 x double> %splat
|
||
|
|
}
|
||
|
|
|
||
|
|
define <5 x i7> @insert_nonzero_index_splat_widen(i7 %x) {
|
||
|
|
; CHECK-LABEL: @insert_nonzero_index_splat_widen(
|
||
|
|
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <5 x i7> undef, i7 [[X:%.*]], i32 0
|
||
|
|
; CHECK-NEXT: [[SPLAT:%.*]] = shufflevector <5 x i7> [[TMP1]], <5 x i7> undef, <5 x i32> <i32 undef, i32 0, i32 0, i32 undef, i32 0>
|
||
|
|
; CHECK-NEXT: ret <5 x i7> [[SPLAT]]
|
||
|
|
;
|
||
|
|
%xv = insertelement <4 x i7> poison, i7 %x, i32 1
|
||
|
|
%splat = shufflevector <4 x i7> %xv, <4 x i7> poison, <5 x i32> <i32 undef, i32 1, i32 1, i32 undef, i32 1>
|
||
|
|
ret <5 x i7> %splat
|
||
|
|
}
|
||
|
|
|
||
|
|
; Negative test - don't increase instruction count
|
||
|
|
|
||
|
|
define <4 x float> @insert_nonzero_index_splat_extra_use(float %x) {
|
||
|
|
; CHECK-LABEL: @insert_nonzero_index_splat_extra_use(
|
||
|
|
; CHECK-NEXT: [[XV:%.*]] = insertelement <4 x float> poison, float [[X:%.*]], i32 2
|
||
|
|
; CHECK-NEXT: call void @use(<4 x float> [[XV]])
|
||
|
|
; CHECK-NEXT: [[SPLAT:%.*]] = shufflevector <4 x float> [[XV]], <4 x float> poison, <4 x i32> <i32 undef, i32 2, i32 2, i32 undef>
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[SPLAT]]
|
||
|
|
;
|
||
|
|
%xv = insertelement <4 x float> poison, float %x, i32 2
|
||
|
|
call void @use(<4 x float> %xv)
|
||
|
|
%splat = shufflevector <4 x float> %xv, <4 x float> poison, <4 x i32> <i32 undef, i32 2, i32 2, i32 undef>
|
||
|
|
ret <4 x float> %splat
|
||
|
|
}
|
||
|
|
|
||
|
|
; Negative test - non-undef base vector
|
||
|
|
|
||
|
|
define <4 x float> @insert_nonzero_index_splat_wrong_base(float %x, <4 x float> %y) {
|
||
|
|
; CHECK-LABEL: @insert_nonzero_index_splat_wrong_base(
|
||
|
|
; CHECK-NEXT: [[XV:%.*]] = insertelement <4 x float> [[Y:%.*]], float [[X:%.*]], i32 2
|
||
|
|
; CHECK-NEXT: [[SPLAT:%.*]] = shufflevector <4 x float> [[XV]], <4 x float> poison, <4 x i32> <i32 undef, i32 2, i32 3, i32 undef>
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[SPLAT]]
|
||
|
|
;
|
||
|
|
%xv = insertelement <4 x float> %y, float %x, i32 2
|
||
|
|
%splat = shufflevector <4 x float> %xv, <4 x float> poison, <4 x i32> <i32 undef, i32 2, i32 3, i32 undef>
|
||
|
|
ret <4 x float> %splat
|
||
|
|
}
|
||
|
|
|
||
|
|
; Negative test - non-constant insert index
|
||
|
|
|
||
|
|
define <4 x float> @insert_nonzero_index_splat_wrong_index(float %x, i32 %index) {
|
||
|
|
; CHECK-LABEL: @insert_nonzero_index_splat_wrong_index(
|
||
|
|
; CHECK-NEXT: [[XV:%.*]] = insertelement <4 x float> poison, float [[X:%.*]], i32 [[INDEX:%.*]]
|
||
|
|
; CHECK-NEXT: [[SPLAT:%.*]] = shufflevector <4 x float> [[XV]], <4 x float> poison, <4 x i32> <i32 undef, i32 1, i32 1, i32 undef>
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[SPLAT]]
|
||
|
|
;
|
||
|
|
%xv = insertelement <4 x float> poison, float %x, i32 %index
|
||
|
|
%splat = shufflevector <4 x float> %xv, <4 x float> poison, <4 x i32> <i32 undef, i32 1, i32 1, i32 undef>
|
||
|
|
ret <4 x float> %splat
|
||
|
|
}
|
||
|
|
|
||
|
|
define <4 x float> @insert_in_splat(float %x) {
|
||
|
|
; CHECK-LABEL: @insert_in_splat(
|
||
|
|
; CHECK-NEXT: [[XV:%.*]] = insertelement <4 x float> poison, float [[X:%.*]], i32 0
|
||
|
|
; CHECK-NEXT: [[R:%.*]] = shufflevector <4 x float> [[XV]], <4 x float> undef, <4 x i32> <i32 undef, i32 0, i32 0, i32 0>
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[R]]
|
||
|
|
;
|
||
|
|
%xv = insertelement <4 x float> poison, float %x, i32 0
|
||
|
|
%splat = shufflevector <4 x float> %xv, <4 x float> poison, <4 x i32> <i32 undef, i32 0, i32 0, i32 undef>
|
||
|
|
%r = insertelement <4 x float> %splat, float %x, i32 3
|
||
|
|
ret <4 x float> %r
|
||
|
|
}
|
||
|
|
|
||
|
|
define <4 x float> @insert_in_splat_extra_uses(float %x) {
|
||
|
|
; CHECK-LABEL: @insert_in_splat_extra_uses(
|
||
|
|
; CHECK-NEXT: [[XV:%.*]] = insertelement <4 x float> poison, float [[X:%.*]], i32 0
|
||
|
|
; CHECK-NEXT: call void @use(<4 x float> [[XV]])
|
||
|
|
; CHECK-NEXT: [[SPLAT:%.*]] = shufflevector <4 x float> [[XV]], <4 x float> poison, <4 x i32> <i32 undef, i32 0, i32 0, i32 undef>
|
||
|
|
; CHECK-NEXT: call void @use(<4 x float> [[SPLAT]])
|
||
|
|
; CHECK-NEXT: [[R:%.*]] = shufflevector <4 x float> [[XV]], <4 x float> undef, <4 x i32> <i32 undef, i32 0, i32 0, i32 0>
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[R]]
|
||
|
|
;
|
||
|
|
%xv = insertelement <4 x float> poison, float %x, i32 0
|
||
|
|
call void @use(<4 x float> %xv)
|
||
|
|
%splat = shufflevector <4 x float> %xv, <4 x float> poison, <4 x i32> <i32 undef, i32 0, i32 0, i32 undef>
|
||
|
|
call void @use(<4 x float> %splat)
|
||
|
|
%r = insertelement <4 x float> %splat, float %x, i32 3
|
||
|
|
ret <4 x float> %r
|
||
|
|
}
|
||
|
|
|
||
|
|
; Negative test - not a constant index insert
|
||
|
|
|
||
|
|
define <4 x float> @insert_in_splat_variable_index(float %x, i32 %y) {
|
||
|
|
; CHECK-LABEL: @insert_in_splat_variable_index(
|
||
|
|
; CHECK-NEXT: [[XV:%.*]] = insertelement <4 x float> poison, float [[X:%.*]], i32 0
|
||
|
|
; CHECK-NEXT: [[SPLAT:%.*]] = shufflevector <4 x float> [[XV]], <4 x float> poison, <4 x i32> <i32 undef, i32 0, i32 0, i32 undef>
|
||
|
|
; CHECK-NEXT: [[R:%.*]] = insertelement <4 x float> [[SPLAT]], float [[X]], i32 [[Y:%.*]]
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[R]]
|
||
|
|
;
|
||
|
|
%xv = insertelement <4 x float> poison, float %x, i32 0
|
||
|
|
%splat = shufflevector <4 x float> %xv, <4 x float> poison, <4 x i32> <i32 undef, i32 0, i32 0, i32 undef>
|
||
|
|
%r = insertelement <4 x float> %splat, float %x, i32 %y
|
||
|
|
ret <4 x float> %r
|
||
|
|
}
|
||
|
|
|
||
|
|
; Negative test - not a splat shuffle
|
||
|
|
|
||
|
|
define <4 x float> @insert_in_nonsplat(float %x, <4 x float> %y) {
|
||
|
|
; CHECK-LABEL: @insert_in_nonsplat(
|
||
|
|
; CHECK-NEXT: [[XV:%.*]] = insertelement <4 x float> poison, float [[X:%.*]], i32 0
|
||
|
|
; CHECK-NEXT: [[SPLAT:%.*]] = shufflevector <4 x float> [[XV]], <4 x float> [[Y:%.*]], <4 x i32> <i32 undef, i32 0, i32 4, i32 undef>
|
||
|
|
; CHECK-NEXT: [[R:%.*]] = insertelement <4 x float> [[SPLAT]], float [[X]], i32 3
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[R]]
|
||
|
|
;
|
||
|
|
%xv = insertelement <4 x float> poison, float %x, i32 0
|
||
|
|
%splat = shufflevector <4 x float> %xv, <4 x float> %y, <4 x i32> <i32 undef, i32 0, i32 4, i32 undef>
|
||
|
|
%r = insertelement <4 x float> %splat, float %x, i32 3
|
||
|
|
ret <4 x float> %r
|
||
|
|
}
|
||
|
|
|
||
|
|
; Negative test - not a splat shuffle
|
||
|
|
|
||
|
|
define <4 x float> @insert_in_nonsplat2(float %x, <4 x float> %y) {
|
||
|
|
; CHECK-LABEL: @insert_in_nonsplat2(
|
||
|
|
; CHECK-NEXT: [[XV:%.*]] = insertelement <4 x float> [[Y:%.*]], float [[X:%.*]], i32 0
|
||
|
|
; CHECK-NEXT: [[SPLAT:%.*]] = shufflevector <4 x float> [[XV]], <4 x float> poison, <4 x i32> <i32 undef, i32 0, i32 1, i32 undef>
|
||
|
|
; CHECK-NEXT: [[R:%.*]] = insertelement <4 x float> [[SPLAT]], float [[X]], i32 3
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[R]]
|
||
|
|
;
|
||
|
|
%xv = insertelement <4 x float> %y, float %x, i32 0
|
||
|
|
%splat = shufflevector <4 x float> %xv, <4 x float> poison, <4 x i32> <i32 undef, i32 0, i32 1, i32 undef>
|
||
|
|
%r = insertelement <4 x float> %splat, float %x, i32 3
|
||
|
|
ret <4 x float> %r
|
||
|
|
}
|
||
|
|
|
||
|
|
define <4 x i8> @shuf_identity_padding(<2 x i8> %x, i8 %y) {
|
||
|
|
; CHECK-LABEL: @shuf_identity_padding(
|
||
|
|
; CHECK-NEXT: [[V1:%.*]] = shufflevector <2 x i8> [[X:%.*]], <2 x i8> poison, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
|
||
|
|
; CHECK-NEXT: [[V2:%.*]] = insertelement <4 x i8> [[V1]], i8 [[Y:%.*]], i32 2
|
||
|
|
; CHECK-NEXT: ret <4 x i8> [[V2]]
|
||
|
|
;
|
||
|
|
%v0 = shufflevector <2 x i8> %x, <2 x i8> poison, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
|
||
|
|
%x1 = extractelement <2 x i8> %x, i32 1
|
||
|
|
%v1 = insertelement <4 x i8> %v0, i8 %x1, i32 1
|
||
|
|
%v2 = insertelement <4 x i8> %v1, i8 %y, i32 2
|
||
|
|
ret <4 x i8> %v2
|
||
|
|
}
|
||
|
|
|
||
|
|
define <3 x i8> @shuf_identity_extract(<4 x i8> %x, i8 %y) {
|
||
|
|
; CHECK-LABEL: @shuf_identity_extract(
|
||
|
|
; CHECK-NEXT: [[V1:%.*]] = shufflevector <4 x i8> [[X:%.*]], <4 x i8> poison, <3 x i32> <i32 0, i32 1, i32 undef>
|
||
|
|
; CHECK-NEXT: [[V2:%.*]] = insertelement <3 x i8> [[V1]], i8 [[Y:%.*]], i32 2
|
||
|
|
; CHECK-NEXT: ret <3 x i8> [[V2]]
|
||
|
|
;
|
||
|
|
%v0 = shufflevector <4 x i8> %x, <4 x i8> poison, <3 x i32> <i32 0, i32 undef, i32 undef>
|
||
|
|
%x1 = extractelement <4 x i8> %x, i32 1
|
||
|
|
%v1 = insertelement <3 x i8> %v0, i8 %x1, i32 1
|
||
|
|
%v2 = insertelement <3 x i8> %v1, i8 %y, i32 2
|
||
|
|
ret <3 x i8> %v2
|
||
|
|
}
|
||
|
|
|
||
|
|
define <4 x float> @shuf_identity_extract_extra_use(<6 x float> %x, float %y) {
|
||
|
|
; CHECK-LABEL: @shuf_identity_extract_extra_use(
|
||
|
|
; CHECK-NEXT: [[V0:%.*]] = shufflevector <6 x float> [[X:%.*]], <6 x float> poison, <4 x i32> <i32 0, i32 undef, i32 undef, i32 3>
|
||
|
|
; CHECK-NEXT: call void @use(<4 x float> [[V0]])
|
||
|
|
; CHECK-NEXT: [[V1:%.*]] = shufflevector <6 x float> [[X]], <6 x float> poison, <4 x i32> <i32 0, i32 undef, i32 2, i32 3>
|
||
|
|
; CHECK-NEXT: [[V2:%.*]] = insertelement <4 x float> [[V1]], float [[Y:%.*]], i32 1
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[V2]]
|
||
|
|
;
|
||
|
|
%v0 = shufflevector <6 x float> %x, <6 x float> poison, <4 x i32> <i32 0, i32 undef, i32 undef, i32 3>
|
||
|
|
call void @use(<4 x float> %v0)
|
||
|
|
%x1 = extractelement <6 x float> %x, i32 2
|
||
|
|
%v1 = insertelement <4 x float> %v0, float %x1, i32 2
|
||
|
|
%v2 = insertelement <4 x float> %v1, float %y, i32 1
|
||
|
|
ret <4 x float> %v2
|
||
|
|
}
|
||
|
|
|
||
|
|
; Negative test - can't map variable index to shuffle mask.
|
||
|
|
|
||
|
|
define <4 x i8> @shuf_identity_padding_variable_index(<2 x i8> %x, i8 %y, i32 %index) {
|
||
|
|
; CHECK-LABEL: @shuf_identity_padding_variable_index(
|
||
|
|
; CHECK-NEXT: [[V0:%.*]] = shufflevector <2 x i8> [[X:%.*]], <2 x i8> poison, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
|
||
|
|
; CHECK-NEXT: [[X1:%.*]] = extractelement <2 x i8> [[X]], i32 [[INDEX:%.*]]
|
||
|
|
; CHECK-NEXT: [[V1:%.*]] = insertelement <4 x i8> [[V0]], i8 [[X1]], i32 [[INDEX]]
|
||
|
|
; CHECK-NEXT: [[V2:%.*]] = insertelement <4 x i8> [[V1]], i8 [[Y:%.*]], i32 2
|
||
|
|
; CHECK-NEXT: ret <4 x i8> [[V2]]
|
||
|
|
;
|
||
|
|
%v0 = shufflevector <2 x i8> %x, <2 x i8> poison, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
|
||
|
|
%x1 = extractelement <2 x i8> %x, i32 %index
|
||
|
|
%v1 = insertelement <4 x i8> %v0, i8 %x1, i32 %index
|
||
|
|
%v2 = insertelement <4 x i8> %v1, i8 %y, i32 2
|
||
|
|
ret <4 x i8> %v2
|
||
|
|
}
|
||
|
|
|
||
|
|
; Negative test - don't create arbitrary shuffle masks.
|
||
|
|
|
||
|
|
define <4 x i8> @shuf_identity_padding_wrong_source_vec(<2 x i8> %x, i8 %y, <2 x i8> %other) {
|
||
|
|
; CHECK-LABEL: @shuf_identity_padding_wrong_source_vec(
|
||
|
|
; CHECK-NEXT: [[V0:%.*]] = shufflevector <2 x i8> [[X:%.*]], <2 x i8> poison, <4 x i32> <i32 0, i32 undef, i32 undef, i32 undef>
|
||
|
|
; CHECK-NEXT: [[X1:%.*]] = extractelement <2 x i8> [[OTHER:%.*]], i32 1
|
||
|
|
; CHECK-NEXT: [[V1:%.*]] = insertelement <4 x i8> [[V0]], i8 [[X1]], i32 1
|
||
|
|
; CHECK-NEXT: [[V2:%.*]] = insertelement <4 x i8> [[V1]], i8 [[Y:%.*]], i32 2
|
||
|
|
; CHECK-NEXT: ret <4 x i8> [[V2]]
|
||
|
|
;
|
||
|
|
%v0 = shufflevector <2 x i8> %x, <2 x i8> poison, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
|
||
|
|
%x1 = extractelement <2 x i8> %other, i32 1
|
||
|
|
%v1 = insertelement <4 x i8> %v0, i8 %x1, i32 1
|
||
|
|
%v2 = insertelement <4 x i8> %v1, i8 %y, i32 2
|
||
|
|
ret <4 x i8> %v2
|
||
|
|
}
|
||
|
|
|
||
|
|
; Negative test - don't create arbitrary shuffle masks.
|
||
|
|
|
||
|
|
define <4 x i8> @shuf_identity_padding_wrong_index(<2 x i8> %x, i8 %y) {
|
||
|
|
; CHECK-LABEL: @shuf_identity_padding_wrong_index(
|
||
|
|
; CHECK-NEXT: [[V0:%.*]] = shufflevector <2 x i8> [[X:%.*]], <2 x i8> poison, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
|
||
|
|
; CHECK-NEXT: [[X1:%.*]] = extractelement <2 x i8> [[X]], i32 1
|
||
|
|
; CHECK-NEXT: [[V1:%.*]] = insertelement <4 x i8> [[V0]], i8 [[X1]], i32 2
|
||
|
|
; CHECK-NEXT: [[V2:%.*]] = insertelement <4 x i8> [[V1]], i8 [[Y:%.*]], i32 3
|
||
|
|
; CHECK-NEXT: ret <4 x i8> [[V2]]
|
||
|
|
;
|
||
|
|
%v0 = shufflevector <2 x i8> %x, <2 x i8> poison, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
|
||
|
|
%x1 = extractelement <2 x i8> %x, i32 1
|
||
|
|
%v1 = insertelement <4 x i8> %v0, i8 %x1, i32 2
|
||
|
|
%v2 = insertelement <4 x i8> %v1, i8 %y, i32 3
|
||
|
|
ret <4 x i8> %v2
|
||
|
|
}
|
||
|
|
|
||
|
|
define <4 x float> @insert_undemanded_element_op0(<4 x float> %x, <4 x float> %y) {
|
||
|
|
; CHECK-LABEL: @insert_undemanded_element_op0(
|
||
|
|
; CHECK-NEXT: [[INS:%.*]] = insertelement <4 x float> [[X:%.*]], float 4.200000e+01, i32 3
|
||
|
|
; CHECK-NEXT: call void @use(<4 x float> [[INS]])
|
||
|
|
; CHECK-NEXT: [[S:%.*]] = shufflevector <4 x float> [[X]], <4 x float> [[Y:%.*]], <4 x i32> <i32 0, i32 7, i32 1, i32 4>
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[S]]
|
||
|
|
;
|
||
|
|
%ins = insertelement <4 x float> %x, float 42.0, i32 3
|
||
|
|
call void @use(<4 x float> %ins)
|
||
|
|
%s = shufflevector <4 x float> %ins, <4 x float> %y, <4 x i32> <i32 0, i32 7, i32 1, i32 4>
|
||
|
|
ret <4 x float> %s
|
||
|
|
}
|
||
|
|
|
||
|
|
define <4 x float> @insert_undemanded_element_op1(<4 x float> %x, <4 x float> %y) {
|
||
|
|
; CHECK-LABEL: @insert_undemanded_element_op1(
|
||
|
|
; CHECK-NEXT: [[INS:%.*]] = insertelement <4 x float> [[X:%.*]], float 4.200000e+01, i32 3
|
||
|
|
; CHECK-NEXT: call void @use(<4 x float> [[INS]])
|
||
|
|
; CHECK-NEXT: [[S:%.*]] = shufflevector <4 x float> [[Y:%.*]], <4 x float> [[X]], <4 x i32> <i32 3, i32 2, i32 1, i32 4>
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[S]]
|
||
|
|
;
|
||
|
|
%ins = insertelement <4 x float> %x, float 42.0, i32 3
|
||
|
|
call void @use(<4 x float> %ins)
|
||
|
|
%s = shufflevector <4 x float> %y, <4 x float> %ins, <4 x i32> <i32 3, i32 2, i32 1, i32 4>
|
||
|
|
ret <4 x float> %s
|
||
|
|
}
|
||
|
|
|
||
|
|
; Negative test - shuffle chooses the inserted constant.
|
||
|
|
|
||
|
|
define <4 x float> @insert_demanded_element_op0(<4 x float> %x, <4 x float> %y) {
|
||
|
|
; CHECK-LABEL: @insert_demanded_element_op0(
|
||
|
|
; CHECK-NEXT: [[INS:%.*]] = insertelement <4 x float> [[X:%.*]], float 4.200000e+01, i32 3
|
||
|
|
; CHECK-NEXT: call void @use(<4 x float> [[INS]])
|
||
|
|
; CHECK-NEXT: [[S:%.*]] = shufflevector <4 x float> [[INS]], <4 x float> [[Y:%.*]], <4 x i32> <i32 3, i32 2, i32 1, i32 4>
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[S]]
|
||
|
|
;
|
||
|
|
%ins = insertelement <4 x float> %x, float 42.0, i32 3
|
||
|
|
call void @use(<4 x float> %ins)
|
||
|
|
%s = shufflevector <4 x float> %ins, <4 x float> %y, <4 x i32> <i32 3, i32 2, i32 1, i32 4>
|
||
|
|
ret <4 x float> %s
|
||
|
|
}
|
||
|
|
|
||
|
|
; Negative test - shuffle chooses the inserted constant.
|
||
|
|
|
||
|
|
define <4 x float> @insert_demanded_element_op1(<4 x float> %x, <4 x float> %y) {
|
||
|
|
; CHECK-LABEL: @insert_demanded_element_op1(
|
||
|
|
; CHECK-NEXT: [[INS:%.*]] = insertelement <4 x float> [[X:%.*]], float 4.300000e+01, i32 3
|
||
|
|
; CHECK-NEXT: call void @use(<4 x float> [[INS]])
|
||
|
|
; CHECK-NEXT: [[S:%.*]] = shufflevector <4 x float> [[Y:%.*]], <4 x float> [[INS]], <4 x i32> <i32 0, i32 7, i32 1, i32 4>
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[S]]
|
||
|
|
;
|
||
|
|
%ins = insertelement <4 x float> %x, float 43.0, i32 3
|
||
|
|
call void @use(<4 x float> %ins)
|
||
|
|
%s = shufflevector <4 x float> %y, <4 x float> %ins, <4 x i32> <i32 0, i32 7, i32 1, i32 4>
|
||
|
|
ret <4 x float> %s
|
||
|
|
}
|
||
|
|
|
||
|
|
define <4 x float> @splat_constant(<4 x float> %x) {
|
||
|
|
; CHECK-LABEL: @splat_constant(
|
||
|
|
; CHECK-NEXT: [[INS3:%.*]] = insertelement <4 x float> [[X:%.*]], float 3.000000e+00, i32 3
|
||
|
|
; CHECK-NEXT: [[R:%.*]] = fadd <4 x float> [[INS3]], <float 3.000000e+00, float 3.000000e+00, float 3.000000e+00, float 3.000000e+00>
|
||
|
|
; CHECK-NEXT: ret <4 x float> [[R]]
|
||
|
|
;
|
||
|
|
%ins3 = insertelement <4 x float> %x, float 3.0, i32 3
|
||
|
|
%splat3 = shufflevector <4 x float> %ins3, <4 x float> poison, <4 x i32> <i32 3, i32 3, i32 3, i32 3>
|
||
|
|
%r = fadd <4 x float> %ins3, %splat3
|
||
|
|
ret <4 x float> %r
|
||
|
|
}
|