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1; RUN: opt -S -passes=instcombine <%s | FileCheck %s2; rdar://problem/161651913; llvm.compiler.used functions should not be renamed4 5target triple = "x86_64-apple-darwin11"6 7@llvm.compiler.used = appending global [1 x ptr] [8 ptr @puts9 ], section "llvm.metadata"10@llvm.used = appending global [1 x ptr] [11 ptr @uses_printf12 ], section "llvm.metadata"13 14@str = private unnamed_addr constant [13 x i8] c"hello world\0A\00"15 16define i32 @uses_printf(i32 %i) {17entry:18 call i32 (ptr, ...) @printf(ptr @str)19 ret i32 020}21 22define internal i32 @printf(ptr readonly nocapture %fmt, ...) {23entry:24 %ret = call i32 @bar(ptr %fmt)25 ret i32 %ret26}27 28; CHECK: define {{.*}} @puts(29define internal i32 @puts(ptr %s) {30entry:31 %ret = call i32 @bar(ptr %s)32 ret i32 %ret33}34 35declare i32 @bar(ptr)36