diff options
Diffstat (limited to 'llvm/test/Transforms/Inline/inline-vla.ll')
| -rw-r--r-- | llvm/test/Transforms/Inline/inline-vla.ll | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/llvm/test/Transforms/Inline/inline-vla.ll b/llvm/test/Transforms/Inline/inline-vla.ll new file mode 100644 index 00000000000..88dfc2be87f --- /dev/null +++ b/llvm/test/Transforms/Inline/inline-vla.ll @@ -0,0 +1,39 @@ +; RUN: opt -S -inline %s -o - | FileCheck %s +; RUN: opt -S -passes='cgscc(inline)' %s -o - | FileCheck %s + +; Check that memcpy2 is completely inlined away. +; CHECK-NOT: memcpy2 + +@.str = private unnamed_addr constant [2 x i8] c"a\00", align 1 +@.str1 = private unnamed_addr constant [3 x i8] c"ab\00", align 1 + +; Function Attrs: nounwind ssp uwtable +define i32 @main(i32 %argc, i8** nocapture readnone %argv) #0 { +entry: + %data = alloca [2 x i8], align 1 + %arraydecay = getelementptr inbounds [2 x i8], [2 x i8]* %data, i64 0, i64 0 + call fastcc void @memcpy2(i8* %arraydecay, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0), i64 1) + call fastcc void @memcpy2(i8* %arraydecay, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str1, i64 0, i64 0), i64 2) + ret i32 0 +} + +; Function Attrs: inlinehint nounwind ssp uwtable +define internal fastcc void @memcpy2(i8* nocapture %dst, i8* nocapture readonly %src, i64 %size) #1 { +entry: + %vla = alloca i64, i64 %size, align 16 + %0 = bitcast i64* %vla to i8* + call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* %src, i64 %size, i1 false) + call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %0, i64 %size, i1 false) + ret void +} + +; Function Attrs: nounwind +declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1) #2 + +attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #1 = { inlinehint nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #2 = { nounwind } + +!llvm.ident = !{!0} + +!0 = !{!"clang version 3.5.0 (trunk 205695) (llvm/trunk 205706)"} |
