llvm-project/llvm/test/Transforms/MergeFunc/merge-block-address-other-f...

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; RUN: opt -S -mergefunc < %s | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define i32 @_Z1fi(i32 %i) #0 {
entry:
%retval = alloca i32, align 4
%i.addr = alloca i32, align 4
store i32 %i, i32* %i.addr, align 4
%0 = load i32, i32* %i.addr, align 4
%cmp = icmp eq i32 %0, 1
br i1 %cmp, label %if.then, label %if.end
if.then:
store i32 3, i32* %retval
br label %return
if.end:
%1 = load i32, i32* %i.addr, align 4
%cmp1 = icmp eq i32 %1, 3
br i1 %cmp1, label %if.then.2, label %if.end.3
if.then.2:
store i32 56, i32* %retval
br label %return
if.end.3:
store i32 0, i32* %retval
br label %return
return:
%2 = load i32, i32* %retval
ret i32 %2
}
define internal i8* @Afunc(i32* %P) {
store i32 1, i32* %P
store i32 3, i32* %P
ret i8* blockaddress(@_Z1fi, %if.then.2)
}
define internal i8* @Bfunc(i32* %P) {
; CHECK-NOT: @Bfunc
store i32 1, i32* %P
store i32 3, i32* %P
ret i8* blockaddress(@_Z1fi, %if.then.2)
}