72 lines
2.2 KiB
LLVM
72 lines
2.2 KiB
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||
|
|
; RUN: opt < %s -ipsccp -S | FileCheck %s
|
||
|
|
|
||
|
|
declare void @use(i1)
|
||
|
|
declare void @llvm.assume(i1)
|
||
|
|
|
||
|
|
define void @basic(i32 %v) {
|
||
|
|
; CHECK-LABEL: @basic(
|
||
|
|
; CHECK-NEXT: [[A1:%.*]] = icmp ult i32 [[V:%.*]], 10
|
||
|
|
; CHECK-NEXT: call void @llvm.assume(i1 [[A1]])
|
||
|
|
; CHECK-NEXT: [[A2:%.*]] = icmp ugt i32 [[V]], 5
|
||
|
|
; CHECK-NEXT: call void @llvm.assume(i1 [[A2]])
|
||
|
|
; CHECK-NEXT: call void @use(i1 true)
|
||
|
|
; CHECK-NEXT: [[C2:%.*]] = icmp ult i32 [[V]], 9
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C2]])
|
||
|
|
; CHECK-NEXT: call void @use(i1 false)
|
||
|
|
; CHECK-NEXT: [[C4:%.*]] = icmp ugt i32 [[V]], 8
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C4]])
|
||
|
|
; CHECK-NEXT: call void @use(i1 true)
|
||
|
|
; CHECK-NEXT: [[C6:%.*]] = icmp ugt i32 [[V]], 6
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C6]])
|
||
|
|
; CHECK-NEXT: call void @use(i1 false)
|
||
|
|
; CHECK-NEXT: [[C8:%.*]] = icmp ult i32 [[V]], 7
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C8]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
%a1 = icmp ult i32 %v, 10
|
||
|
|
call void @llvm.assume(i1 %a1)
|
||
|
|
%a2 = icmp ugt i32 %v, 5
|
||
|
|
call void @llvm.assume(i1 %a2)
|
||
|
|
%c1 = icmp ult i32 %v, 10
|
||
|
|
call void @use(i1 %c1)
|
||
|
|
%c2 = icmp ult i32 %v, 9
|
||
|
|
call void @use(i1 %c2)
|
||
|
|
%c3 = icmp ugt i32 %v, 9
|
||
|
|
call void @use(i1 %c3)
|
||
|
|
%c4 = icmp ugt i32 %v, 8
|
||
|
|
call void @use(i1 %c4)
|
||
|
|
%c5 = icmp ugt i32 %v, 5
|
||
|
|
call void @use(i1 %c5)
|
||
|
|
%c6 = icmp ugt i32 %v, 6
|
||
|
|
call void @use(i1 %c6)
|
||
|
|
%c7 = icmp ult i32 %v, 6
|
||
|
|
call void @use(i1 %c7)
|
||
|
|
%c8 = icmp ult i32 %v, 7
|
||
|
|
call void @use(i1 %c8)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @nonnull(i32* %v) {
|
||
|
|
; CHECK-LABEL: @nonnull(
|
||
|
|
; CHECK-NEXT: [[A:%.*]] = icmp ne i32* [[V:%.*]], null
|
||
|
|
; CHECK-NEXT: call void @llvm.assume(i1 [[A]])
|
||
|
|
; CHECK-NEXT: call void @use(i1 false)
|
||
|
|
; CHECK-NEXT: call void @use(i1 true)
|
||
|
|
; CHECK-NEXT: call void @use(i1 false)
|
||
|
|
; CHECK-NEXT: call void @use(i1 true)
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
%a = icmp ne i32* %v, null
|
||
|
|
call void @llvm.assume(i1 %a)
|
||
|
|
%c1 = icmp eq i32* %v, null
|
||
|
|
call void @use(i1 %c1)
|
||
|
|
%c2 = icmp ne i32* %v, null
|
||
|
|
call void @use(i1 %c2)
|
||
|
|
%c3 = icmp eq i32* null, %v
|
||
|
|
call void @use(i1 %c3)
|
||
|
|
%c4 = icmp ne i32* null, %v
|
||
|
|
call void @use(i1 %c4)
|
||
|
|
ret void
|
||
|
|
}
|