xref: /aosp_15_r20/external/llvm/test/Transforms/MergeFunc/merge-block-address-other-function.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -S -mergefunc < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
4*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-unknown-linux-gnu"
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdefine i32 @_Z1fi(i32 %i) #0 {
7*9880d681SAndroid Build Coastguard Workerentry:
8*9880d681SAndroid Build Coastguard Worker  %retval = alloca i32, align 4
9*9880d681SAndroid Build Coastguard Worker  %i.addr = alloca i32, align 4
10*9880d681SAndroid Build Coastguard Worker  store i32 %i, i32* %i.addr, align 4
11*9880d681SAndroid Build Coastguard Worker  %0 = load i32, i32* %i.addr, align 4
12*9880d681SAndroid Build Coastguard Worker  %cmp = icmp eq i32 %0, 1
13*9880d681SAndroid Build Coastguard Worker  br i1 %cmp, label %if.then, label %if.end
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workerif.then:
16*9880d681SAndroid Build Coastguard Worker  store i32 3, i32* %retval
17*9880d681SAndroid Build Coastguard Worker  br label %return
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Workerif.end:
20*9880d681SAndroid Build Coastguard Worker  %1 = load i32, i32* %i.addr, align 4
21*9880d681SAndroid Build Coastguard Worker  %cmp1 = icmp eq i32 %1, 3
22*9880d681SAndroid Build Coastguard Worker  br i1 %cmp1, label %if.then.2, label %if.end.3
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard Workerif.then.2:
25*9880d681SAndroid Build Coastguard Worker  store i32 56, i32* %retval
26*9880d681SAndroid Build Coastguard Worker  br label %return
27*9880d681SAndroid Build Coastguard Worker
28*9880d681SAndroid Build Coastguard Workerif.end.3:
29*9880d681SAndroid Build Coastguard Worker  store i32 0, i32* %retval
30*9880d681SAndroid Build Coastguard Worker  br label %return
31*9880d681SAndroid Build Coastguard Worker
32*9880d681SAndroid Build Coastguard Workerreturn:
33*9880d681SAndroid Build Coastguard Worker  %2 = load i32, i32* %retval
34*9880d681SAndroid Build Coastguard Worker  ret i32 %2
35*9880d681SAndroid Build Coastguard Worker}
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard Worker
38*9880d681SAndroid Build Coastguard Workerdefine internal i8* @Afunc(i32* %P) {
39*9880d681SAndroid Build Coastguard Worker  store i32 1, i32* %P
40*9880d681SAndroid Build Coastguard Worker  store i32 3, i32* %P
41*9880d681SAndroid Build Coastguard Worker  ret i8* blockaddress(@_Z1fi, %if.then.2)
42*9880d681SAndroid Build Coastguard Worker}
43*9880d681SAndroid Build Coastguard Worker
44*9880d681SAndroid Build Coastguard Workerdefine internal i8* @Bfunc(i32* %P) {
45*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: @Bfunc
46*9880d681SAndroid Build Coastguard Worker  store i32 1, i32* %P
47*9880d681SAndroid Build Coastguard Worker  store i32 3, i32* %P
48*9880d681SAndroid Build Coastguard Worker  ret i8* blockaddress(@_Z1fi, %if.then.2)
49*9880d681SAndroid Build Coastguard Worker}
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