39 lines
1.0 KiB
LLVM
39 lines
1.0 KiB
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||
|
|
; RUN: opt -constraint-elimination -S %s | FileCheck %s
|
||
|
|
|
||
|
|
declare void @use(i1)
|
||
|
|
|
||
|
|
define void @test(i8* %m, i8* %ptr) {
|
||
|
|
; CHECK-LABEL: @test(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: [[CMP_1:%.*]] = icmp ult i8* [[M:%.*]], [[PTR:%.*]]
|
||
|
|
; CHECK-NEXT: br i1 [[CMP_1]], label [[BB_1:%.*]], label [[BB_2:%.*]]
|
||
|
|
; CHECK: bb.1:
|
||
|
|
; CHECK-NEXT: [[CMP_2:%.*]] = icmp uge i8* [[M]], [[PTR]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 false)
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
; CHECK: bb.2:
|
||
|
|
; CHECK-NEXT: br label [[BB_2_NEXT:%.*]]
|
||
|
|
; CHECK: bb.2.next:
|
||
|
|
; CHECK-NEXT: [[CMP_3:%.*]] = icmp uge i8* [[M]], [[PTR]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 true)
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
%cmp.1 = icmp ult i8* %m, %ptr
|
||
|
|
br i1 %cmp.1, label %bb.1, label %bb.2
|
||
|
|
|
||
|
|
bb.1:
|
||
|
|
%cmp.2 = icmp uge i8* %m, %ptr
|
||
|
|
call void @use(i1 %cmp.2)
|
||
|
|
ret void
|
||
|
|
|
||
|
|
bb.2:
|
||
|
|
br label %bb.2.next
|
||
|
|
|
||
|
|
bb.2.next:
|
||
|
|
%cmp.3 = icmp uge i8* %m, %ptr
|
||
|
|
call void @use(i1 %cmp.3)
|
||
|
|
ret void
|
||
|
|
}
|