77 lines
3.8 KiB
LLVM
77 lines
3.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt %s -scalarizer -scalarize-load-store -S | FileCheck %s
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; RUN: opt %s -passes='function(scalarizer)' -scalarize-load-store -S | FileCheck %s
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; This verifies that the order of extract element instructions is
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; deterministic. In the past we could end up with different results depending
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; on the compiler used (due to argument evaluation order being undefined in
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; C++). The order of the extracts is not really important for correctness of
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; the result, but when debugging and creating test cases it is helpful if we
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; get the same out put regardless of which compiler we use when building the
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; compiler.
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define <2 x i32> @test1(i1 %b, <2 x i32> %i, <2 x i32> %j) {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: [[I_I0:%.*]] = extractelement <2 x i32> [[I:%.*]], i32 0
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; CHECK-NEXT: [[J_I0:%.*]] = extractelement <2 x i32> [[J:%.*]], i32 0
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; CHECK-NEXT: [[RES_I0:%.*]] = select i1 [[B:%.*]], i32 [[I_I0]], i32 [[J_I0]]
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; CHECK-NEXT: [[I_I1:%.*]] = extractelement <2 x i32> [[I]], i32 1
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; CHECK-NEXT: [[J_I1:%.*]] = extractelement <2 x i32> [[J]], i32 1
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; CHECK-NEXT: [[RES_I1:%.*]] = select i1 [[B]], i32 [[I_I1]], i32 [[J_I1]]
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; CHECK-NEXT: [[RES_UPTO0:%.*]] = insertelement <2 x i32> poison, i32 [[RES_I0]], i32 0
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; CHECK-NEXT: [[RES:%.*]] = insertelement <2 x i32> [[RES_UPTO0]], i32 [[RES_I1]], i32 1
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; CHECK-NEXT: ret <2 x i32> [[RES]]
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;
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%res = select i1 %b, <2 x i32> %i, <2 x i32> %j
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ret <2 x i32> %res
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}
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define <2 x i32> @test2(<2 x i1> %b, <2 x i32> %i, <2 x i32> %j) {
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: [[B_I0:%.*]] = extractelement <2 x i1> [[B:%.*]], i32 0
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; CHECK-NEXT: [[I_I0:%.*]] = extractelement <2 x i32> [[I:%.*]], i32 0
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; CHECK-NEXT: [[J_I0:%.*]] = extractelement <2 x i32> [[J:%.*]], i32 0
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; CHECK-NEXT: [[RES_I0:%.*]] = select i1 [[B_I0]], i32 [[I_I0]], i32 [[J_I0]]
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; CHECK-NEXT: [[B_I1:%.*]] = extractelement <2 x i1> [[B]], i32 1
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; CHECK-NEXT: [[I_I1:%.*]] = extractelement <2 x i32> [[I]], i32 1
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; CHECK-NEXT: [[J_I1:%.*]] = extractelement <2 x i32> [[J]], i32 1
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; CHECK-NEXT: [[RES_I1:%.*]] = select i1 [[B_I1]], i32 [[I_I1]], i32 [[J_I1]]
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; CHECK-NEXT: [[RES_UPTO0:%.*]] = insertelement <2 x i32> poison, i32 [[RES_I0]], i32 0
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; CHECK-NEXT: [[RES:%.*]] = insertelement <2 x i32> [[RES_UPTO0]], i32 [[RES_I1]], i32 1
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; CHECK-NEXT: ret <2 x i32> [[RES]]
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;
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%res = select <2 x i1> %b, <2 x i32> %i, <2 x i32> %j
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ret <2 x i32> %res
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}
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define <2 x i32> @test3(<2 x i32> %i, <2 x i32> %j) {
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: [[I_I0:%.*]] = extractelement <2 x i32> [[I:%.*]], i32 0
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; CHECK-NEXT: [[J_I0:%.*]] = extractelement <2 x i32> [[J:%.*]], i32 0
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; CHECK-NEXT: [[RES_I0:%.*]] = add nuw nsw i32 [[I_I0]], [[J_I0]]
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; CHECK-NEXT: [[I_I1:%.*]] = extractelement <2 x i32> [[I]], i32 1
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; CHECK-NEXT: [[J_I1:%.*]] = extractelement <2 x i32> [[J]], i32 1
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; CHECK-NEXT: [[RES_I1:%.*]] = add nuw nsw i32 [[I_I1]], [[J_I1]]
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; CHECK-NEXT: [[RES_UPTO0:%.*]] = insertelement <2 x i32> poison, i32 [[RES_I0]], i32 0
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; CHECK-NEXT: [[RES:%.*]] = insertelement <2 x i32> [[RES_UPTO0]], i32 [[RES_I1]], i32 1
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; CHECK-NEXT: ret <2 x i32> [[RES]]
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;
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%res = add nuw nsw <2 x i32> %i, %j
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ret <2 x i32> %res
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}
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define void @test4(<2 x i32>* %ptr, <2 x i32> %val) {
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; CHECK-LABEL: @test4(
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; CHECK-NEXT: [[VAL_I0:%.*]] = extractelement <2 x i32> [[VAL:%.*]], i32 0
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; CHECK-NEXT: [[PTR_I0:%.*]] = bitcast <2 x i32>* [[PTR:%.*]] to i32*
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; CHECK-NEXT: store i32 [[VAL_I0]], i32* [[PTR_I0]], align 8
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; CHECK-NEXT: [[VAL_I1:%.*]] = extractelement <2 x i32> [[VAL]], i32 1
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; CHECK-NEXT: [[PTR_I1:%.*]] = getelementptr i32, i32* [[PTR_I0]], i32 1
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; CHECK-NEXT: store i32 [[VAL_I1]], i32* [[PTR_I1]], align 4
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; CHECK-NEXT: ret void
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;
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store <2 x i32> %val, <2 x i32> *%ptr
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ret void
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}
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