xref: /llvm-project/llvm/test/Transforms/JumpThreading/pr33917.ll (revision 07e34d2de565a88da2724d52cdcf47b4bca873db)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S -passes=jump-threading,correlated-propagation %s | FileCheck %s
3
4target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5target triple = "x86_64-unknown-linux-gnu"
6
7declare ptr @foo()
8
9declare i32 @rust_eh_personality() unnamed_addr
10
11; Function Attrs: nounwind
12declare void @llvm.assume(i1) #0
13
14define void @patatino() personality ptr @rust_eh_personality {
15; CHECK-LABEL: @patatino(
16; CHECK-NEXT:  bb9:
17; CHECK-NEXT:    [[T9:%.*]] = invoke ptr @foo()
18; CHECK-NEXT:    to label [[GOOD:%.*]] unwind label [[BAD:%.*]]
19; CHECK:       bad:
20; CHECK-NEXT:    [[T10:%.*]] = landingpad { ptr, i32 }
21; CHECK-NEXT:    cleanup
22; CHECK-NEXT:    resume { ptr, i32 } [[T10]]
23; CHECK:       good:
24; CHECK-NEXT:    [[T11:%.*]] = icmp ne ptr [[T9]], null
25; CHECK-NEXT:    [[T12:%.*]] = zext i1 [[T11]] to i64
26; CHECK-NEXT:    [[COND:%.*]] = icmp eq i64 [[T12]], 1
27; CHECK-NEXT:    br i1 [[COND]], label [[IF_TRUE:%.*]], label [[DONE:%.*]]
28; CHECK:       if_true:
29; CHECK-NEXT:    call void @llvm.assume(i1 [[T11]])
30; CHECK-NEXT:    br label [[DONE]]
31; CHECK:       done:
32; CHECK-NEXT:    ret void
33;
34bb9:
35  %t9 = invoke ptr @foo()
36  to label %good unwind label %bad
37
38bad:
39  %t10 = landingpad { ptr, i32 }
40  cleanup
41  resume { ptr, i32 } %t10
42
43good:
44  %t11 = icmp ne ptr %t9, null
45  %t12 = zext i1 %t11 to i64
46  %cond = icmp eq i64 %t12, 1
47  br i1 %cond, label %if_true, label %done
48
49if_true:
50  call void @llvm.assume(i1 %t11)
51  br label %done
52
53done:
54  ret void
55}
56
57attributes #0 = { nounwind }
58