xref: /llvm-project/llvm/test/Transforms/InstSimplify/returned.ll (revision 38fffa630ee80163dc65e759392ad29798905679)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -passes=instsimplify -S < %s | FileCheck %s
3
4define i1 @bitcast() {
5; CHECK-LABEL: @bitcast(
6; CHECK-NEXT:    ret i1 false
7;
8  %a = alloca i32
9  %b = alloca i64
10  %y = call ptr @func1(ptr %b)
11  %cmp = icmp eq ptr %a, %y
12  ret i1 %cmp
13}
14
15%gept = type { i32, i32 }
16
17define i1 @gep3() {
18; CHECK-LABEL: @gep3(
19; CHECK-NEXT:    ret i1 false
20;
21  %x = alloca %gept, align 8
22  %y = call ptr @func2(ptr %x)
23  %b = getelementptr %gept, ptr %y, i64 0, i32 1
24  %equal = icmp eq ptr %x, %b
25  ret i1 %equal
26}
27
28define <8 x i1> @returned_vec_arg_casted(<2 x i32> %a) {
29; CHECK-LABEL: @returned_vec_arg_casted(
30; CHECK-NEXT:    [[X:%.*]] = call <8 x i8> @passthru_8i8v_from_2i32v(<2 x i32> [[A:%.*]])
31; CHECK-NEXT:    [[C:%.*]] = icmp slt <8 x i8> [[X]], zeroinitializer
32; CHECK-NEXT:    ret <8 x i1> [[C]]
33;
34  %x = call <8 x i8> @passthru_8i8v_from_2i32v(<2 x i32> %a)
35  %C = icmp slt <8 x i8> %x, zeroinitializer
36  ret <8 x i1> %C
37}
38
39define <8 x i1> @returned_vec_arg_casted2(<2 x i32> %a) {
40; CHECK-LABEL: @returned_vec_arg_casted2(
41; CHECK-NEXT:    [[OR:%.*]] = or <2 x i32> [[A:%.*]], splat (i32 1)
42; CHECK-NEXT:    [[X:%.*]] = call <8 x i8> @passthru_8i8v_from_2i32v(<2 x i32> [[OR]])
43; CHECK-NEXT:    [[C:%.*]] = icmp ne <8 x i8> [[X]], zeroinitializer
44; CHECK-NEXT:    ret <8 x i1> [[C]]
45;
46  %or = or <2 x i32> %a, <i32 1, i32 1>
47  %x = call <8 x i8> @passthru_8i8v_from_2i32v(<2 x i32> %or)
48  %C = icmp ne <8 x i8> %x, zeroinitializer
49  ret <8 x i1> %C
50}
51
52declare <8 x i8> @passthru_8i8v_from_2i32v(<2 x i32> returned)
53declare ptr @func1(ptr returned) nounwind readnone willreturn
54declare ptr @func2(ptr returned) nounwind readnone willreturn
55
56