1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -instcombine -S | FileCheck %s
3
4declare void @llvm.experimental.guard(i1, ...)
5
6; Regression test. If %flag is false then %s == 0 and guard should be triggered.
7define i32 @a(i1 %flag, i32 %X) nounwind readnone {
8; CHECK-LABEL: @a(
9; CHECK-NEXT:    [[CMP1:%.*]] = icmp ne i32 [[X:%.*]], 0
10; CHECK-NEXT:    [[CMP:%.*]] = and i1 [[CMP1]], [[FLAG:%.*]]
11; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[CMP]]) #1 [ "deopt"() ]
12; CHECK-NEXT:    [[R:%.*]] = sdiv i32 100, [[X]]
13; CHECK-NEXT:    ret i32 [[R]]
14;
15  %s = select i1 %flag, i32 %X, i32 0
16  %cmp = icmp ne i32 %s, 0
17  call void(i1, ...) @llvm.experimental.guard( i1 %cmp )[ "deopt"() ]
18  %r = sdiv i32 100, %s
19  ret i32 %r
20}
21