76 lines
4.4 KiB
LLVM
76 lines
4.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt %s -scalarizer -dce -S | FileCheck --check-prefix=DEFAULT %s
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; RUN: opt %s -scalarizer -scalarize-variable-insert-extract=false -dce -S | FileCheck --check-prefix=OFF %s
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; RUN: opt %s -scalarizer -scalarize-variable-insert-extract=true -dce -S | FileCheck --check-prefix=DEFAULT %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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; Test that variable extracts scalarized.
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define i32 @f1(<4 x i32> %src, i32 %index) {
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; DEFAULT-LABEL: @f1(
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; DEFAULT-NEXT: [[INDEX_IS_0:%.*]] = icmp eq i32 [[INDEX:%.*]], 0
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; DEFAULT-NEXT: [[SRC_I0:%.*]] = extractelement <4 x i32> [[SRC:%.*]], i32 0
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; DEFAULT-NEXT: [[RES_UPTO0:%.*]] = select i1 [[INDEX_IS_0]], i32 [[SRC_I0]], i32 undef
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; DEFAULT-NEXT: [[INDEX_IS_1:%.*]] = icmp eq i32 [[INDEX]], 1
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; DEFAULT-NEXT: [[SRC_I1:%.*]] = extractelement <4 x i32> [[SRC]], i32 1
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; DEFAULT-NEXT: [[RES_UPTO1:%.*]] = select i1 [[INDEX_IS_1]], i32 [[SRC_I1]], i32 [[RES_UPTO0]]
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; DEFAULT-NEXT: [[INDEX_IS_2:%.*]] = icmp eq i32 [[INDEX]], 2
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; DEFAULT-NEXT: [[SRC_I2:%.*]] = extractelement <4 x i32> [[SRC]], i32 2
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; DEFAULT-NEXT: [[RES_UPTO2:%.*]] = select i1 [[INDEX_IS_2]], i32 [[SRC_I2]], i32 [[RES_UPTO1]]
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; DEFAULT-NEXT: [[INDEX_IS_3:%.*]] = icmp eq i32 [[INDEX]], 3
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; DEFAULT-NEXT: [[SRC_I3:%.*]] = extractelement <4 x i32> [[SRC]], i32 3
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; DEFAULT-NEXT: [[RES:%.*]] = select i1 [[INDEX_IS_3]], i32 [[SRC_I3]], i32 [[RES_UPTO2]]
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; DEFAULT-NEXT: ret i32 [[RES]]
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;
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; OFF-LABEL: @f1(
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; OFF-NEXT: [[RES:%.*]] = extractelement <4 x i32> [[SRC:%.*]], i32 [[INDEX:%.*]]
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; OFF-NEXT: ret i32 [[RES]]
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;
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%res = extractelement <4 x i32> %src, i32 %index
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ret i32 %res
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}
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define i32 @f2(<4 x i32> *%src, i32 %index) {
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; DEFAULT-LABEL: @f2(
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; DEFAULT-NEXT: [[VAL0:%.*]] = load <4 x i32>, <4 x i32>* [[SRC:%.*]], align 16
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; DEFAULT-NEXT: [[VAL0_I0:%.*]] = extractelement <4 x i32> [[VAL0]], i32 0
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; DEFAULT-NEXT: [[VAL1_I0:%.*]] = shl i32 1, [[VAL0_I0]]
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; DEFAULT-NEXT: [[VAL0_I1:%.*]] = extractelement <4 x i32> [[VAL0]], i32 1
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; DEFAULT-NEXT: [[VAL1_I1:%.*]] = shl i32 2, [[VAL0_I1]]
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; DEFAULT-NEXT: [[VAL0_I2:%.*]] = extractelement <4 x i32> [[VAL0]], i32 2
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; DEFAULT-NEXT: [[VAL1_I2:%.*]] = shl i32 3, [[VAL0_I2]]
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; DEFAULT-NEXT: [[VAL0_I3:%.*]] = extractelement <4 x i32> [[VAL0]], i32 3
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; DEFAULT-NEXT: [[VAL1_I3:%.*]] = shl i32 4, [[VAL0_I3]]
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; DEFAULT-NEXT: [[INDEX_IS_0:%.*]] = icmp eq i32 [[INDEX:%.*]], 0
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; DEFAULT-NEXT: [[VAL2_UPTO0:%.*]] = select i1 [[INDEX_IS_0]], i32 [[VAL1_I0]], i32 undef
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; DEFAULT-NEXT: [[INDEX_IS_1:%.*]] = icmp eq i32 [[INDEX]], 1
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; DEFAULT-NEXT: [[VAL2_UPTO1:%.*]] = select i1 [[INDEX_IS_1]], i32 [[VAL1_I1]], i32 [[VAL2_UPTO0]]
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; DEFAULT-NEXT: [[INDEX_IS_2:%.*]] = icmp eq i32 [[INDEX]], 2
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; DEFAULT-NEXT: [[VAL2_UPTO2:%.*]] = select i1 [[INDEX_IS_2]], i32 [[VAL1_I2]], i32 [[VAL2_UPTO1]]
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; DEFAULT-NEXT: [[INDEX_IS_3:%.*]] = icmp eq i32 [[INDEX]], 3
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; DEFAULT-NEXT: [[VAL2:%.*]] = select i1 [[INDEX_IS_3]], i32 [[VAL1_I3]], i32 [[VAL2_UPTO2]]
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; DEFAULT-NEXT: ret i32 [[VAL2]]
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;
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; OFF-LABEL: @f2(
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; OFF-NEXT: [[VAL0:%.*]] = load <4 x i32>, <4 x i32>* [[SRC:%.*]], align 16
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; OFF-NEXT: [[VAL0_I0:%.*]] = extractelement <4 x i32> [[VAL0]], i32 0
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; OFF-NEXT: [[VAL1_I0:%.*]] = shl i32 1, [[VAL0_I0]]
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; OFF-NEXT: [[VAL0_I1:%.*]] = extractelement <4 x i32> [[VAL0]], i32 1
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; OFF-NEXT: [[VAL1_I1:%.*]] = shl i32 2, [[VAL0_I1]]
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; OFF-NEXT: [[VAL0_I2:%.*]] = extractelement <4 x i32> [[VAL0]], i32 2
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; OFF-NEXT: [[VAL1_I2:%.*]] = shl i32 3, [[VAL0_I2]]
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; OFF-NEXT: [[VAL0_I3:%.*]] = extractelement <4 x i32> [[VAL0]], i32 3
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; OFF-NEXT: [[VAL1_I3:%.*]] = shl i32 4, [[VAL0_I3]]
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; OFF-NEXT: [[VAL1_UPTO0:%.*]] = insertelement <4 x i32> poison, i32 [[VAL1_I0]], i32 0
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; OFF-NEXT: [[VAL1_UPTO1:%.*]] = insertelement <4 x i32> [[VAL1_UPTO0]], i32 [[VAL1_I1]], i32 1
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; OFF-NEXT: [[VAL1_UPTO2:%.*]] = insertelement <4 x i32> [[VAL1_UPTO1]], i32 [[VAL1_I2]], i32 2
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; OFF-NEXT: [[VAL1:%.*]] = insertelement <4 x i32> [[VAL1_UPTO2]], i32 [[VAL1_I3]], i32 3
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; OFF-NEXT: [[VAL2:%.*]] = extractelement <4 x i32> [[VAL1]], i32 [[INDEX:%.*]]
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; OFF-NEXT: ret i32 [[VAL2]]
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;
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%val0 = load <4 x i32> , <4 x i32> *%src
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%val1 = shl <4 x i32> <i32 1, i32 2, i32 3, i32 4>, %val0
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%val2 = extractelement <4 x i32> %val1, i32 %index
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ret i32 %val2
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}
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