| ; RUN: opt -S -passes=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 ptr] [ |
| ptr @puts |
| ], section "llvm.metadata" |
| @llvm.used = appending global [1 x ptr] [ |
| ptr @uses_printf |
| ], section "llvm.metadata" |
| |
| @str = private unnamed_addr constant [13 x i8] c"hello world\0A\00" |
| |
| define i32 @uses_printf(i32 %i) { |
| entry: |
| call i32 (ptr, ...) @printf(ptr @str) |
| ret i32 0 |
| } |
| |
| define internal i32 @printf(ptr readonly nocapture %fmt, ...) { |
| entry: |
| %ret = call i32 @bar(ptr %fmt) |
| ret i32 %ret |
| } |
| |
| ; CHECK: define {{.*}} @puts( |
| define internal i32 @puts(ptr %s) { |
| entry: |
| %ret = call i32 @bar(ptr %s) |
| ret i32 %ret |
| } |
| |
| declare i32 @bar(ptr) |