xref: /llvm-project/llvm/test/Transforms/ConstraintElimination/invoke.ll (revision 13ffde316a8541d77116bd18f73efada236617f3)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -passes=constraint-elimination -S %s | FileCheck %s
3
4declare void @may_unwind()
5
6declare i32 @__gxx_personality_v0(...)
7
8define i1 @test_invoke_in_block_with_assume(i32 %x) personality ptr @__gxx_personality_v0 {
9; CHECK-LABEL: @test_invoke_in_block_with_assume(
10; CHECK-NEXT:  entry:
11; CHECK-NEXT:    call void @may_unwind()
12; CHECK-NEXT:    [[C_1:%.*]] = icmp ult i32 [[X:%.*]], 10
13; CHECK-NEXT:    call void @llvm.assume(i1 [[C_1]])
14; CHECK-NEXT:    invoke void @may_unwind()
15; CHECK-NEXT:    to label [[CONT:%.*]] unwind label [[LPAD:%.*]]
16; CHECK:       cont:
17; CHECK-NEXT:    [[C_2:%.*]] = icmp ult i32 [[X]], 9
18; CHECK-NEXT:    [[RES_1:%.*]] = xor i1 true, [[C_2]]
19; CHECK-NEXT:    ret i1 [[RES_1]]
20; CHECK:       lpad:
21; CHECK-NEXT:    [[LP:%.*]] = landingpad { ptr, i32 }
22; CHECK-NEXT:    filter [0 x ptr] zeroinitializer
23; CHECK-NEXT:    [[C_3:%.*]] = icmp ult i32 [[X]], 9
24; CHECK-NEXT:    [[RES_2:%.*]] = xor i1 true, [[C_3]]
25; CHECK-NEXT:    ret i1 [[RES_2]]
26;
27entry:
28  call void @may_unwind()
29  %c.1 = icmp ult i32 %x, 10
30  call void @llvm.assume(i1 %c.1)
31  invoke void @may_unwind()
32  to label %cont unwind label %lpad
33
34cont:
35  %t.1 = icmp ult i32 %x, 10
36  %c.2 = icmp ult i32 %x, 9
37  %res.1 = xor i1 %t.1, %c.2
38  ret i1 %res.1
39
40lpad:
41  %lp = landingpad { ptr, i32 }
42  filter [0 x ptr] zeroinitializer
43  %t.2 = icmp ult i32 %x, 10
44  %c.3 = icmp ult i32 %x, 9
45  %res.2 = xor i1 %t.2, %c.3
46  ret i1 %res.2
47}
48
49declare void @llvm.assume(i1)
50