1; RUN: llvm-as <%s >%t1 2; RUN: llvm-lto -exported-symbol=_uses_puts -exported-symbol=_uses_printf -o - %t1 | \ 3; RUN: llvm-nm - | \ 4; RUN: FileCheck %s 5; rdar://problem/16165191 6; runtime library implementations should not be renamed 7 8target triple = "x86_64-apple-darwin11" 9 10@str = private unnamed_addr constant [13 x i8] c"hello world\0A\00" 11 12; CHECK-NOT: U _puts 13; CHECK: T _uses_printf 14; CHECK: T _uses_puts 15define i32 @uses_puts(i32 %i) { 16entry: 17 %s = call i8* @foo(i32 %i) 18 %ret = call i32 @puts(i8* %s) 19 ret i32 %ret 20} 21define i32 @uses_printf(i32 %i) { 22entry: 23 %s = getelementptr [13 x i8], [13 x i8]* @str, i64 0, i64 0 24 call i32 (i8*, ...) @printf(i8* %s) 25 ret i32 0 26} 27 28define hidden i32 @printf(i8* readonly nocapture %fmt, ...) { 29entry: 30 %ret = call i32 @bar(i8* %fmt) 31 ret i32 %ret 32} 33define hidden i32 @puts(i8* %s) { 34entry: 35 %ret = call i32 @bar(i8* %s) 36 ret i32 %ret 37} 38 39declare i8* @foo(i32) 40declare i32 @bar(i8*) 41