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; RUN: opt -S -passes=mergefunc < %s | FileCheck %s
@llvm.compiler.used = appending global [1 x ptr] [ptr @a], section "llvm.metadata"
define internal i32 @a(i32 %a) unnamed_addr {
%b = xor i32 %a, 0
%c = xor i32 %b, 0
ret i32 %c
}
define i32 @b(i32 %a) unnamed_addr {
%b = xor i32 %a, 0
%c = xor i32 %b, 0
ret i32 %c
}
define i32 @c(i32 %a) unnamed_addr {
%b = tail call i32 @a(i32 %a)
ret i32 %b
}
; CHECK-LABEL: @llvm.compiler.used = appending global [1 x ptr] [ptr @a], section "llvm.metadata"
; CHECK-LABEL: define i32 @b(i32 %a) unnamed_addr
; CHECK-NEXT: xor
; CHECK-NEXT: xor
; CHECK-NEXT: ret
; CHECK-LABEL: define i32 @c(i32 %a) unnamed_addr
; CHECK-NEXT: tail call i32 @b(i32 %a)
; CHECK-NEXT: ret
; CHECK-LABEL: define internal i32 @a(i32 %0) unnamed_addr
; CHECK-NEXT: tail call i32 @b(i32 %0)
; CHECK-NEXT: ret
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