; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instsimplify -S | FileCheck %s declare void @llvm.assume(i1) declare void @use(i1) define void @basic_ugt(i32 %x, i32 %y) { ; CHECK-LABEL: @basic_ugt( ; CHECK-NEXT: [[CMP1:%.*]] = icmp ugt i32 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: call void @llvm.assume(i1 [[CMP1]]) ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: ret void ; %cmp1 = icmp ugt i32 %x, %y call void @llvm.assume(i1 %cmp1) %cmp2 = icmp ugt i32 %x, %y call void @use(i1 %cmp2) %cmp3 = icmp uge i32 %x, %y call void @use(i1 %cmp3) %cmp4 = icmp ult i32 %x, %y call void @use(i1 %cmp4) %cmp5 = icmp ule i32 %x, %y call void @use(i1 %cmp5) %cmp6 = icmp ugt i32 %y, %x call void @use(i1 %cmp6) %cmp7 = icmp uge i32 %y, %x call void @use(i1 %cmp7) %cmp8 = icmp ult i32 %y, %x call void @use(i1 %cmp8) %cmp9 = icmp ule i32 %y, %x call void @use(i1 %cmp9) ret void } define void @basic_uge(i32 %x, i32 %y) { ; CHECK-LABEL: @basic_uge( ; CHECK-NEXT: [[CMP1:%.*]] = icmp uge i32 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: call void @llvm.assume(i1 [[CMP1]]) ; CHECK-NEXT: [[CMP2:%.*]] = icmp ugt i32 [[X]], [[Y]] ; CHECK-NEXT: call void @use(i1 [[CMP2]]) ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: [[CMP5:%.*]] = icmp ule i32 [[X]], [[Y]] ; CHECK-NEXT: call void @use(i1 [[CMP5]]) ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: [[CMP7:%.*]] = icmp uge i32 [[Y]], [[X]] ; CHECK-NEXT: call void @use(i1 [[CMP7]]) ; CHECK-NEXT: [[CMP8:%.*]] = icmp ult i32 [[Y]], [[X]] ; CHECK-NEXT: call void @use(i1 [[CMP8]]) ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: ret void ; %cmp1 = icmp uge i32 %x, %y call void @llvm.assume(i1 %cmp1) %cmp2 = icmp ugt i32 %x, %y call void @use(i1 %cmp2) %cmp3 = icmp uge i32 %x, %y call void @use(i1 %cmp3) %cmp4 = icmp ult i32 %x, %y call void @use(i1 %cmp4) %cmp5 = icmp ule i32 %x, %y call void @use(i1 %cmp5) %cmp6 = icmp ugt i32 %y, %x call void @use(i1 %cmp6) %cmp7 = icmp uge i32 %y, %x call void @use(i1 %cmp7) %cmp8 = icmp ult i32 %y, %x call void @use(i1 %cmp8) %cmp9 = icmp ule i32 %y, %x call void @use(i1 %cmp9) ret void } ; This does not simplify in InstSimplify, because AssumptionCache tracker ; does not track values through "and". The "and" assume will be broken ; down into two separate assume calls by InstCombine. define void @and(i32 %x, i32 %y, i32 %z) { ; CHECK-LABEL: @and( ; CHECK-NEXT: [[CMP1:%.*]] = icmp ugt i32 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[CMP2:%.*]] = icmp ugt i32 [[Z:%.*]], [[Y]] ; CHECK-NEXT: [[AND:%.*]] = and i1 [[CMP1]], [[CMP2]] ; CHECK-NEXT: call void @llvm.assume(i1 [[AND]]) ; CHECK-NEXT: [[CMP3:%.*]] = icmp ugt i32 [[X]], [[Y]] ; CHECK-NEXT: call void @use(i1 [[CMP3]]) ; CHECK-NEXT: [[CMP4:%.*]] = icmp uge i32 [[X]], [[Y]] ; CHECK-NEXT: call void @use(i1 [[CMP4]]) ; CHECK-NEXT: [[CMP5:%.*]] = icmp ugt i32 [[Z]], [[Y]] ; CHECK-NEXT: call void @use(i1 [[CMP5]]) ; CHECK-NEXT: [[CMP6:%.*]] = icmp uge i32 [[Z]], [[Y]] ; CHECK-NEXT: call void @use(i1 [[CMP6]]) ; CHECK-NEXT: ret void ; %cmp1 = icmp ugt i32 %x, %y %cmp2 = icmp ugt i32 %z, %y %and = and i1 %cmp1, %cmp2 call void @llvm.assume(i1 %and) %cmp3 = icmp ugt i32 %x, %y call void @use(i1 %cmp3) %cmp4 = icmp uge i32 %x, %y call void @use(i1 %cmp4) %cmp5 = icmp ugt i32 %z, %y call void @use(i1 %cmp5) %cmp6 = icmp uge i32 %z, %y call void @use(i1 %cmp6) ret void }