From 9af4e0a83072baaa8d76708ac8098cb3477807bb Mon Sep 17 00:00:00 2001 From: Alexey Bataev Date: Mon, 9 Oct 2017 19:08:15 +0000 Subject: [PATCH] [SLP] Add test for reversed load, NFC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@315232 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/SLPVectorizer/X86/PR32086.ll | 30 ++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/test/Transforms/SLPVectorizer/X86/PR32086.ll b/test/Transforms/SLPVectorizer/X86/PR32086.ll index f692f46b430..ee9ee7c34de 100644 --- a/test/Transforms/SLPVectorizer/X86/PR32086.ll +++ b/test/Transforms/SLPVectorizer/X86/PR32086.ll @@ -30,3 +30,33 @@ define void @i64_simplified(i64* noalias %st, i64* noalias %ld) { store i64 %t1, i64* %arrayidx5, align 8 ret void } + +define void @i64_simplifiedi_reversed(i64* noalias %st, i64* noalias %ld) { +; CHECK-LABEL: @i64_simplifiedi_reversed( +; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i64, i64* [[LD:%.*]], i64 1 +; CHECK-NEXT: [[T0:%.*]] = load i64, i64* [[LD]], align 8 +; CHECK-NEXT: [[T1:%.*]] = load i64, i64* [[ARRAYIDX1]], align 8 +; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i64, i64* [[ST:%.*]], i64 1 +; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i64, i64* [[ST]], i64 2 +; CHECK-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i64, i64* [[ST]], i64 3 +; CHECK-NEXT: store i64 [[T1]], i64* [[ST]], align 8 +; CHECK-NEXT: store i64 [[T0]], i64* [[ARRAYIDX3]], align 8 +; CHECK-NEXT: store i64 [[T1]], i64* [[ARRAYIDX4]], align 8 +; CHECK-NEXT: store i64 [[T0]], i64* [[ARRAYIDX5]], align 8 +; CHECK-NEXT: ret void +; + %arrayidx1 = getelementptr inbounds i64, i64* %ld, i64 1 + + %t0 = load i64, i64* %ld, align 8 + %t1 = load i64, i64* %arrayidx1, align 8 + + %arrayidx3 = getelementptr inbounds i64, i64* %st, i64 1 + %arrayidx4 = getelementptr inbounds i64, i64* %st, i64 2 + %arrayidx5 = getelementptr inbounds i64, i64* %st, i64 3 + + store i64 %t1, i64* %st, align 8 + store i64 %t0, i64* %arrayidx3, align 8 + store i64 %t1, i64* %arrayidx4, align 8 + store i64 %t0, i64* %arrayidx5, align 8 + ret void +} -- 2.49.0