1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s --data-layout "e" -dse -enable-dse-partial-store-merging=true -S | FileCheck --check-prefix CHECK --check-prefix CHECK-LE %s
3 ; RUN: opt < %s --data-layout "E" -dse -enable-dse-partial-store-merging=true -S | FileCheck --check-prefix CHECK --check-prefix CHECK-BE %s
5 ; This test used to hit an assertion (see PR41949).
7 ; Better safe than sorry, do not assume anything about the padding for the
8 ; i28 store that has 32 bits as store size.
9 define void @test1(i32* %p) {
10 ; CHECK-LABEL: @test1(
11 ; CHECK-NEXT: [[A:%.*]] = alloca i32
12 ; CHECK-NEXT: [[B:%.*]] = bitcast i32* [[A]] to i28*
13 ; CHECK-NEXT: [[C:%.*]] = bitcast i32* [[A]] to { i16, i16 }*
14 ; CHECK-NEXT: [[C1:%.*]] = getelementptr inbounds { i16, i16 }, { i16, i16 }* [[C]], i32 0, i32 1
15 ; CHECK-NEXT: store i28 10, i28* [[B]]
16 ; CHECK-NEXT: store i16 20, i16* [[C1]]
17 ; CHECK-NEXT: call void @test1(i32* [[A]])
18 ; CHECK-NEXT: ret void
21 %b = bitcast i32* %a to i28*
22 %c = bitcast i32* %a to { i16, i16 }*
23 %c1 = getelementptr inbounds { i16, i16 }, { i16, i16 }* %c, i32 0, i32 1
25 store i16 20, i16* %c1
27 call void @test1(i32* %a)
32 ; This test used to mis-compile (see PR41949).
34 ; Better safe than sorry, do not assume anything about the padding for the
35 ; i12 store that has 16 bits as store size.
36 define void @test2(i32* %p) {
37 ; CHECK-LABEL: @test2(
38 ; CHECK-NEXT: [[U:%.*]] = alloca i32
39 ; CHECK-NEXT: [[A:%.*]] = bitcast i32* [[U]] to i32*
40 ; CHECK-NEXT: [[B:%.*]] = bitcast i32* [[U]] to i12*
41 ; CHECK-NEXT: store i32 -1, i32* [[A]]
42 ; CHECK-NEXT: store i12 20, i12* [[B]]
43 ; CHECK-NEXT: call void @test2(i32* [[U]])
44 ; CHECK-NEXT: ret void
47 %a = bitcast i32* %u to i32*
48 %b = bitcast i32* %u to i12*
52 call void @test2(i32* %u)