40 lines
1.7 KiB
LLVM
40 lines
1.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S --slp-vectorizer -mtriple=x86_64-unknown %s -slp-threshold=-5 | FileCheck %s
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define i32 @test(i32* %isec) {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[ARRAYIDX10:%.*]] = getelementptr inbounds i32, i32* [[ISEC:%.*]], i32 0
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; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[ARRAYIDX10]] to <2 x i32>*
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; CHECK-NEXT: [[TMP1:%.*]] = load <2 x i32>, <2 x i32>* [[TMP0]], align 8
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; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <2 x i32> [[TMP1]], <2 x i32> poison, <2 x i32> <i32 1, i32 0>
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; CHECK-NEXT: br i1 false, label [[BLOCK1:%.*]], label [[BLOCK3:%.*]]
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; CHECK: block1:
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; CHECK-NEXT: br i1 false, label [[BLOCK2:%.*]], label [[BLOCK3]]
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; CHECK: block2:
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; CHECK-NEXT: br label [[BLOCK3]]
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; CHECK: block3:
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; CHECK-NEXT: [[TMP3:%.*]] = phi <2 x i32> [ [[TMP1]], [[BLOCK1]] ], [ [[TMP1]], [[BLOCK2]] ], [ [[TMP2]], [[ENTRY:%.*]] ]
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; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i32> [[TMP3]], i32 0
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; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x i32> [[TMP3]], i32 1
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; CHECK-NEXT: [[TMP6:%.*]] = mul i32 [[TMP5]], [[TMP4]]
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; CHECK-NEXT: ret i32 [[TMP6]]
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;
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entry:
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%arrayidx10 = getelementptr inbounds i32, i32* %isec, i32 0
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%0 = bitcast i32* %arrayidx10 to <2 x i32>*
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%1 = load <2 x i32>, <2 x i32>* %0, align 8
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%2 = extractelement <2 x i32> %1, i32 1
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%3 = extractelement <2 x i32> %1, i32 0
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br i1 false, label %block1, label %block3
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block1:
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br i1 false, label %block2, label %block3
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block2:
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br label %block3
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block3:
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%4 = phi i32 [ %2, %block1 ], [ %2, %block2 ], [ %3, %entry ]
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%5 = phi i32 [ %3, %block1 ], [ %3, %block2 ], [ %2, %entry ]
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%6 = mul i32 %4, %5
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ret i32 %6
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}
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