1*9880d681SAndroid Build Coastguard Worker; RUN: opt -S -instcombine <%s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; rdar://problem/16165191 3*9880d681SAndroid Build Coastguard Worker; llvm.compiler.used functions should not be renamed 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-apple-darwin11" 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Worker@llvm.compiler.used = appending global [1 x i8*] [ 8*9880d681SAndroid Build Coastguard Worker i8* bitcast (i32(i8*)* @puts to i8*) 9*9880d681SAndroid Build Coastguard Worker ], section "llvm.metadata" 10*9880d681SAndroid Build Coastguard Worker@llvm.used = appending global [1 x i8*] [ 11*9880d681SAndroid Build Coastguard Worker i8* bitcast (i32(i32)* @uses_printf to i8*) 12*9880d681SAndroid Build Coastguard Worker ], section "llvm.metadata" 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Worker@str = private unnamed_addr constant [13 x i8] c"hello world\0A\00" 15*9880d681SAndroid Build Coastguard Worker 16*9880d681SAndroid Build Coastguard Workerdefine i32 @uses_printf(i32 %i) { 17*9880d681SAndroid Build Coastguard Workerentry: 18*9880d681SAndroid Build Coastguard Worker %s = getelementptr [13 x i8], [13 x i8]* @str, i64 0, i64 0 19*9880d681SAndroid Build Coastguard Worker call i32 (i8*, ...) @printf(i8* %s) 20*9880d681SAndroid Build Coastguard Worker ret i32 0 21*9880d681SAndroid Build Coastguard Worker} 22*9880d681SAndroid Build Coastguard Worker 23*9880d681SAndroid Build Coastguard Workerdefine internal i32 @printf(i8* readonly nocapture %fmt, ...) { 24*9880d681SAndroid Build Coastguard Workerentry: 25*9880d681SAndroid Build Coastguard Worker %ret = call i32 @bar(i8* %fmt) 26*9880d681SAndroid Build Coastguard Worker ret i32 %ret 27*9880d681SAndroid Build Coastguard Worker} 28*9880d681SAndroid Build Coastguard Worker 29*9880d681SAndroid Build Coastguard Worker; CHECK: define {{.*}} @puts( 30*9880d681SAndroid Build Coastguard Workerdefine internal i32 @puts(i8* %s) { 31*9880d681SAndroid Build Coastguard Workerentry: 32*9880d681SAndroid Build Coastguard Worker %ret = call i32 @bar(i8* %s) 33*9880d681SAndroid Build Coastguard Worker ret i32 %ret 34*9880d681SAndroid Build Coastguard Worker} 35*9880d681SAndroid Build Coastguard Worker 36*9880d681SAndroid Build Coastguard Workerdeclare i32 @bar(i8*) 37