diff options
Diffstat (limited to 'test/Transforms/Inline/noalias-calls.ll')
| -rw-r--r-- | test/Transforms/Inline/noalias-calls.ll | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/test/Transforms/Inline/noalias-calls.ll b/test/Transforms/Inline/noalias-calls.ll new file mode 100644 index 0000000..13408e4 --- /dev/null +++ b/test/Transforms/Inline/noalias-calls.ll @@ -0,0 +1,44 @@ +; RUN: opt -basicaa -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" + +declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #0 +declare void @hey() #0 + +define void @hello(i8* noalias nocapture %a, i8* noalias nocapture readonly %c, i8* nocapture %b) #1 { +entry: + %l = alloca i8, i32 512, align 1 + call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %b, i64 16, i32 16, i1 0) + call void @llvm.memcpy.p0i8.p0i8.i64(i8* %b, i8* %c, i64 16, i32 16, i1 0) + call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %c, i64 16, i32 16, i1 0) + call void @hey() + call void @llvm.memcpy.p0i8.p0i8.i64(i8* %l, i8* %c, i64 16, i32 16, i1 0) + ret void +} + +define void @foo(i8* nocapture %a, i8* nocapture readonly %c, i8* nocapture %b) #1 { +entry: + tail call void @hello(i8* %a, i8* %c, i8* %b) + ret void +} + +; CHECK: define void @foo(i8* nocapture %a, i8* nocapture readonly %c, i8* nocapture %b) #1 { +; CHECK: entry: +; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %b, i64 16, i32 16, i1 false) #0, !noalias !0 +; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %b, i8* %c, i64 16, i32 16, i1 false) #0, !noalias !3 +; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %c, i64 16, i32 16, i1 false) #0, !alias.scope !5 +; CHECK: call void @hey() #0, !noalias !5 +; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %{{.*}}, i8* %c, i64 16, i32 16, i1 false) #0, !noalias !3 +; CHECK: ret void +; CHECK: } + +attributes #0 = { nounwind } +attributes #1 = { nounwind uwtable } + +; 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 !4, metadata !1} + |