xref: /aosp_15_r20/external/llvm/test/Transforms/MergeFunc/alloca.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -mergefunc -S < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker;; Make sure that two different allocas are not treated as equal.
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Worker%kv1 = type { i32, i32 }
8*9880d681SAndroid Build Coastguard Worker%kv2 = type { i8 }
9*9880d681SAndroid Build Coastguard Worker%kv3 = type { i64, i64 }
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Worker; Size difference.
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: define void @size1
14*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: call void @
15*9880d681SAndroid Build Coastguard Workerdefine void @size1(i8 *%f) {
16*9880d681SAndroid Build Coastguard Worker  %v = alloca %kv1, align 8
17*9880d681SAndroid Build Coastguard Worker  %f_2 = bitcast i8* %f to void (%kv1 *)*
18*9880d681SAndroid Build Coastguard Worker  call void %f_2(%kv1 * %v)
19*9880d681SAndroid Build Coastguard Worker  call void %f_2(%kv1 * %v)
20*9880d681SAndroid Build Coastguard Worker  call void %f_2(%kv1 * %v)
21*9880d681SAndroid Build Coastguard Worker  call void %f_2(%kv1 * %v)
22*9880d681SAndroid Build Coastguard Worker  ret void
23*9880d681SAndroid Build Coastguard Worker}
24*9880d681SAndroid Build Coastguard Worker
25*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: define void @size2
26*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: call void @
27*9880d681SAndroid Build Coastguard Workerdefine void @size2(i8 *%f) {
28*9880d681SAndroid Build Coastguard Worker  %v = alloca %kv2, align 8
29*9880d681SAndroid Build Coastguard Worker  %f_2 = bitcast i8* %f to void (%kv2 *)*
30*9880d681SAndroid Build Coastguard Worker  call void %f_2(%kv2 * %v)
31*9880d681SAndroid Build Coastguard Worker  call void %f_2(%kv2 * %v)
32*9880d681SAndroid Build Coastguard Worker  call void %f_2(%kv2 * %v)
33*9880d681SAndroid Build Coastguard Worker  call void %f_2(%kv2 * %v)
34*9880d681SAndroid Build Coastguard Worker  ret void
35*9880d681SAndroid Build Coastguard Worker}
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard Worker; Alignment difference.
38*9880d681SAndroid Build Coastguard Worker
39*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: define void @align1
40*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: call void @
41*9880d681SAndroid Build Coastguard Workerdefine void @align1(i8 *%f) {
42*9880d681SAndroid Build Coastguard Worker  %v = alloca %kv3, align 8
43*9880d681SAndroid Build Coastguard Worker  %f_2 = bitcast i8* %f to void (%kv3 *)*
44*9880d681SAndroid Build Coastguard Worker  call void %f_2(%kv3 * %v)
45*9880d681SAndroid Build Coastguard Worker  call void %f_2(%kv3 * %v)
46*9880d681SAndroid Build Coastguard Worker  call void %f_2(%kv3 * %v)
47*9880d681SAndroid Build Coastguard Worker  call void %f_2(%kv3 * %v)
48*9880d681SAndroid Build Coastguard Worker  ret void
49*9880d681SAndroid Build Coastguard Worker}
50*9880d681SAndroid Build Coastguard Worker
51*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: define void @align2
52*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: call void @
53*9880d681SAndroid Build Coastguard Workerdefine void @align2(i8 *%f) {
54*9880d681SAndroid Build Coastguard Worker  %v = alloca %kv3, align 16
55*9880d681SAndroid Build Coastguard Worker  %f_2 = bitcast i8* %f to void (%kv3 *)*
56*9880d681SAndroid Build Coastguard Worker  call void %f_2(%kv3 * %v)
57*9880d681SAndroid Build Coastguard Worker  call void %f_2(%kv3 * %v)
58*9880d681SAndroid Build Coastguard Worker  call void %f_2(%kv3 * %v)
59*9880d681SAndroid Build Coastguard Worker  call void %f_2(%kv3 * %v)
60*9880d681SAndroid Build Coastguard Worker  ret void
61*9880d681SAndroid Build Coastguard Worker}
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