| ; 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], [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*) |
