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Diffstat (limited to 'test/LTO/X86/keep-used-puts-during-instcombine.ll')
| -rw-r--r-- | test/LTO/X86/keep-used-puts-during-instcombine.ll | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/test/LTO/X86/keep-used-puts-during-instcombine.ll b/test/LTO/X86/keep-used-puts-during-instcombine.ll new file mode 100644 index 0000000..69ce3ee --- /dev/null +++ b/test/LTO/X86/keep-used-puts-during-instcombine.ll @@ -0,0 +1,36 @@ +; RUN: opt -S -instcombine <%s | FileCheck %s +; rdar://problem/16165191 +; llvm.compiler.used functions should not be renamed + +target triple = "x86_64-apple-darwin11" + +@llvm.compiler.used = appending global [1 x i8*] [ + i8* bitcast (i32(i8*)* @puts to i8*) + ], section "llvm.metadata" +@llvm.used = appending global [1 x i8*] [ + i8* bitcast (i32(i32)* @uses_printf to i8*) + ], section "llvm.metadata" + +@str = private unnamed_addr constant [13 x i8] c"hello world\0A\00" + +define i32 @uses_printf(i32 %i) { +entry: + %s = getelementptr [13 x i8]* @str, i64 0, i64 0 + call i32 (i8*, ...)* @printf(i8* %s) + ret i32 0 +} + +define internal i32 @printf(i8* readonly nocapture %fmt, ...) { +entry: + %ret = call i32 @bar(i8* %fmt) + ret i32 %ret +} + +; CHECK: define {{.*}} @puts( +define internal i32 @puts(i8* %s) { +entry: + %ret = call i32 @bar(i8* %s) + ret i32 %ret +} + +declare i32 @bar(i8*) |