1 ; RUN: opt -S -instcombine <%s | FileCheck %s 2 ; rdar://problem/16165191 3 ; llvm.compiler.used functions should not be renamed 4 5 target triple = "x86_64-apple-darwin11" 6 7 @llvm.compiler.used = appending global [1 x i8*] [ 8 i8* bitcast (i32(i8*)* @puts to i8*) 9 ], section "llvm.metadata" 10 @llvm.used = appending global [1 x i8*] [ 11 i8* bitcast (i32(i32)* @uses_printf to i8*) 12 ], section "llvm.metadata" 13 14 @str = private unnamed_addr constant [13 x i8] c"hello world\0A\00" 15 16 define i32 @uses_printf(i32 %i) { 17 entry: 18 %s = getelementptr [13 x i8]* @str, i64 0, i64 0 19 call i32 (i8*, ...)* @printf(i8* %s) 20 ret i32 0 21 } 22 23 define internal i32 @printf(i8* readonly nocapture %fmt, ...) { 24 entry: 25 %ret = call i32 @bar(i8* %fmt) 26 ret i32 %ret 27 } 28 29 ; CHECK: define {{.*}} @puts( 30 define internal i32 @puts(i8* %s) { 31 entry: 32 %ret = call i32 @bar(i8* %s) 33 ret i32 %ret 34 } 35 36 declare i32 @bar(i8*) 37
