60 lines
2.2 KiB
LLVM
60 lines
2.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=slp-vectorizer -slp-vectorize-hor -slp-vectorize-hor-store -S < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s
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define void @test(i32* %ptr, i32* noalias %s) {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32* [[PTR:%.*]], null
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; CHECK-NEXT: br i1 [[CMP]], label [[LOOP:%.*]], label [[BAIL_OUT:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[PTR]] to <4 x i32>*
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; CHECK-NEXT: [[TMP1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP0]], align 4
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; CHECK-NEXT: [[TMP2:%.*]] = bitcast i32* [[S:%.*]] to <4 x i32>*
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; CHECK-NEXT: store <4 x i32> [[TMP1]], <4 x i32>* [[TMP2]], align 4
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; CHECK-NEXT: [[TMP3:%.*]] = extractelement <4 x i32> [[TMP1]], i32 0
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; CHECK-NEXT: br label [[LOOP1:%.*]]
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; CHECK: loop1:
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; CHECK-NEXT: store i32 [[TMP3]], i32* [[S]], align 4
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; CHECK-NEXT: br i1 true, label [[LOOP1]], label [[CONT:%.*]]
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; CHECK: cont:
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; CHECK-NEXT: br i1 true, label [[LOOP]], label [[BAIL_OUT]]
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; CHECK: bail_out:
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; CHECK-NEXT: [[DUMMY_PHI:%.*]] = phi i32 [ 1, [[ENTRY:%.*]] ], [ [[TMP3]], [[CONT]] ]
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; CHECK-NEXT: store i32 [[DUMMY_PHI]], i32* [[S]], align 4
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; CHECK-NEXT: ret void
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;
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entry:
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%cmp = icmp eq i32* %ptr, null
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br i1 %cmp, label %loop, label %bail_out
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loop:
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%0 = load i32, i32 * %ptr , align 4
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%1 = getelementptr inbounds i32, i32 * %ptr, i64 1
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%2 = load i32, i32 * %1 , align 4
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%3 = getelementptr inbounds i32, i32 *%ptr, i64 2
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%4 = load i32, i32 * %3 , align 4
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%5 = getelementptr inbounds i32, i32 *%ptr, i64 3
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%6 = load i32, i32 * %5 , align 4
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store i32 %0, i32* %s, align 4
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%7 = getelementptr inbounds i32, i32 * %s, i64 1
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store i32 %2, i32* %7, align 4
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%8 = getelementptr inbounds i32, i32 * %s, i64 2
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store i32 %4, i32* %8, align 4
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%9 = getelementptr inbounds i32, i32 * %s, i64 3
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store i32 %6, i32* %9, align 4
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br label %loop1
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loop1:
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store i32 %0, i32* %s, align 4
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br i1 true, label %loop1, label %cont
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cont:
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br i1 true, label %loop, label %bail_out
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bail_out:
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%dummy_phi = phi i32 [ 1, %entry ], [ %0, %cont ]
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store i32 %dummy_phi, i32* %s, align 4
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ret void
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}
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