blob: e861fcb6efa2139d4f631521ad52969ee05e49cb [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
declare void @llvm.experimental.guard(i1, ...)
; Regression test. If %flag is false then %s == 0 and guard should be triggered.
define i32 @a(i1 %flag, i32 %X) nounwind readnone {
; CHECK-LABEL: @a(
; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[X:%.*]], 0
; CHECK-NEXT: [[CMP:%.*]] = and i1 [[CMP1]], [[FLAG:%.*]]
; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[CMP]]) #1 [ "deopt"() ]
; CHECK-NEXT: [[R:%.*]] = sdiv i32 100, [[X]]
; CHECK-NEXT: ret i32 [[R]]
;
%s = select i1 %flag, i32 %X, i32 0
%cmp = icmp ne i32 %s, 0
call void(i1, ...) @llvm.experimental.guard( i1 %cmp )[ "deopt"() ]
%r = sdiv i32 100, %s
ret i32 %r
}