diff options
Diffstat (limited to 'test/LTO/no-undefined-puts-when-implemented.ll')
| -rw-r--r-- | test/LTO/no-undefined-puts-when-implemented.ll | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/test/LTO/no-undefined-puts-when-implemented.ll b/test/LTO/no-undefined-puts-when-implemented.ll new file mode 100644 index 0000000..18f5d21 --- /dev/null +++ b/test/LTO/no-undefined-puts-when-implemented.ll @@ -0,0 +1,40 @@ +; RUN: llvm-as <%s >%t1 +; RUN: llvm-lto -exported-symbol=_uses_puts -exported-symbol=_uses_printf -o - %t1 | \ +; RUN: llvm-nm | \ +; RUN: FileCheck %s +; rdar://problem/16165191 +; runtime library implementations should not be renamed + +target triple = "x86_64-apple-darwin11" + +@str = private unnamed_addr constant [13 x i8] c"hello world\0A\00" + +; CHECK-NOT: U _puts +; CHECK: T _uses_printf +; CHECK: T _uses_puts +define i32 @uses_puts(i32 %i) { +entry: + %s = call i8* @foo(i32 %i) + %ret = call i32 @puts(i8* %s) + ret i32 %ret +} +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 hidden i32 @printf(i8* readonly nocapture %fmt, ...) { +entry: + %ret = call i32 @bar(i8* %fmt) + ret i32 %ret +} +define hidden i32 @puts(i8* %s) { +entry: + %ret = call i32 @bar(i8* %s) + ret i32 %ret +} + +declare i8* @foo(i32) +declare i32 @bar(i8*) |