diff options
Diffstat (limited to 'llvm/test/Transforms/Inline/noalias2.ll')
| -rw-r--r-- | llvm/test/Transforms/Inline/noalias2.ll | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/llvm/test/Transforms/Inline/noalias2.ll b/llvm/test/Transforms/Inline/noalias2.ll new file mode 100644 index 00000000000..a4b38b050ed --- /dev/null +++ b/llvm/test/Transforms/Inline/noalias2.ll @@ -0,0 +1,97 @@ +; RUN: opt -inline -enable-noalias-to-md-conversion -S < %s | FileCheck %s +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" +target triple = "x86_64-unknown-linux-gnu" + +define void @hello(float* noalias nocapture %a, float* noalias nocapture readonly %c) #0 { +entry: + %0 = load float* %c, align 4 + %arrayidx = getelementptr inbounds float* %a, i64 5 + store float %0, float* %arrayidx, align 4 + ret void +} + +define void @foo(float* noalias nocapture %a, float* noalias nocapture readonly %c) #0 { +entry: + tail call void @hello(float* %a, float* %c) + %0 = load float* %c, align 4 + %arrayidx = getelementptr inbounds float* %a, i64 7 + store float %0, float* %arrayidx, align 4 + ret void +} + +; CHECK: define void @foo(float* noalias nocapture %a, float* noalias nocapture readonly %c) #0 { +; CHECK: entry: +; CHECK: %0 = load float* %c, align 4, !alias.scope !0, !noalias !3 +; CHECK: %arrayidx.i = getelementptr inbounds float* %a, i64 5 +; CHECK: store float %0, float* %arrayidx.i, align 4, !alias.scope !3, !noalias !0 +; CHECK: %1 = load float* %c, align 4 +; CHECK: %arrayidx = getelementptr inbounds float* %a, i64 7 +; CHECK: store float %1, float* %arrayidx, align 4 +; CHECK: ret void +; CHECK: } + +define void @hello2(float* noalias nocapture %a, float* noalias nocapture %b, float* nocapture readonly %c) #0 { +entry: + %0 = load float* %c, align 4 + %arrayidx = getelementptr inbounds float* %a, i64 6 + store float %0, float* %arrayidx, align 4 + %arrayidx1 = getelementptr inbounds float* %b, i64 8 + store float %0, float* %arrayidx1, align 4 + ret void +} + +; Check that when hello() is inlined into foo(), and then foo() is inlined into +; foo2(), the noalias scopes are properly concatenated. +define void @foo2(float* nocapture %a, float* nocapture %b, float* nocapture readonly %c) #0 { +entry: + tail call void @foo(float* %a, float* %c) + tail call void @hello2(float* %a, float* %b, float* %c) + %0 = load float* %c, align 4 + %arrayidx = getelementptr inbounds float* %a, i64 7 + store float %0, float* %arrayidx, align 4 + ret void +} + +; CHECK: define void @foo2(float* nocapture %a, float* nocapture %b, float* nocapture readonly %c) #0 { +; CHECK: entry: +; CHECK: %0 = load float* %c, align 4, !alias.scope !5, !noalias !10 +; CHECK: %arrayidx.i.i = getelementptr inbounds float* %a, i64 5 +; CHECK: store float %0, float* %arrayidx.i.i, align 4, !alias.scope !10, !noalias !5 +; CHECK: %1 = load float* %c, align 4, !alias.scope !13, !noalias !14 +; CHECK: %arrayidx.i = getelementptr inbounds float* %a, i64 7 +; CHECK: store float %1, float* %arrayidx.i, align 4, !alias.scope !14, !noalias !13 +; CHECK: %2 = load float* %c, align 4, !noalias !15 +; CHECK: %arrayidx.i1 = getelementptr inbounds float* %a, i64 6 +; CHECK: store float %2, float* %arrayidx.i1, align 4, !alias.scope !19, !noalias !20 +; CHECK: %arrayidx1.i = getelementptr inbounds float* %b, i64 8 +; CHECK: store float %2, float* %arrayidx1.i, align 4, !alias.scope !20, !noalias !19 +; CHECK: %3 = load float* %c, align 4 +; CHECK: %arrayidx = getelementptr inbounds float* %a, i64 7 +; CHECK: store float %3, float* %arrayidx, align 4 +; CHECK: ret void +; CHECK: } + +; CHECK: !0 = metadata !{metadata !1} +; CHECK: !1 = metadata !{metadata !1, metadata !2, metadata !"hello: %c"} +; CHECK: !2 = metadata !{metadata !2, metadata !"hello"} +; CHECK: !3 = metadata !{metadata !4} +; CHECK: !4 = metadata !{metadata !4, metadata !2, metadata !"hello: %a"} +; CHECK: !5 = metadata !{metadata !6, metadata !8} +; CHECK: !6 = metadata !{metadata !6, metadata !7, metadata !"hello: %c"} +; CHECK: !7 = metadata !{metadata !7, metadata !"hello"} +; CHECK: !8 = metadata !{metadata !8, metadata !9, metadata !"foo: %c"} +; CHECK: !9 = metadata !{metadata !9, metadata !"foo"} +; CHECK: !10 = metadata !{metadata !11, metadata !12} +; CHECK: !11 = metadata !{metadata !11, metadata !7, metadata !"hello: %a"} +; CHECK: !12 = metadata !{metadata !12, metadata !9, metadata !"foo: %a"} +; CHECK: !13 = metadata !{metadata !8} +; CHECK: !14 = metadata !{metadata !12} +; CHECK: !15 = metadata !{metadata !16, metadata !18} +; CHECK: !16 = metadata !{metadata !16, metadata !17, metadata !"hello2: %a"} +; CHECK: !17 = metadata !{metadata !17, metadata !"hello2"} +; CHECK: !18 = metadata !{metadata !18, metadata !17, metadata !"hello2: %b"} +; CHECK: !19 = metadata !{metadata !16} +; CHECK: !20 = metadata !{metadata !18} + +attributes #0 = { nounwind uwtable } + |
