| ; 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 datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" | |
| 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], [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*) |