if (match(RHS, m_AnyZeroFP())) {
switch (Pred) {
case FCmpInst::FCMP_OGE:
- if (FMF.noNaNs() && CannotBeOrderedLessThanZero(LHS, Q.TLI))
+ if ((FMF.noNaNs() || isKnownNeverNaN(LHS, Q.TLI)) &&
+ CannotBeOrderedLessThanZero(LHS, Q.TLI))
return getTrue(RetTy);
break;
case FCmpInst::FCMP_UGE:
return getTrue(RetTy);
break;
case FCmpInst::FCMP_ULT:
+ // TODO: This should match 'oge'.
if (FMF.noNaNs() && CannotBeOrderedLessThanZero(LHS, Q.TLI))
return getFalse(RetTy);
break;
define i1 @UIToFP_is_positive_or_zero(i32 %x) {
; CHECK-LABEL: @UIToFP_is_positive_or_zero(
-; CHECK-NEXT: [[A:%.*]] = uitofp i32 [[X:%.*]] to float
-; CHECK-NEXT: [[R:%.*]] = fcmp oge float [[A]], 0.000000e+00
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 true
;
%a = uitofp i32 %x to float
%r = fcmp oge float %a, 0.000000e+00
define <2 x i1> @UIToFP_is_positive_or_zero_vec(<2 x i32> %x) {
; CHECK-LABEL: @UIToFP_is_positive_or_zero_vec(
-; CHECK-NEXT: [[A:%.*]] = uitofp <2 x i32> [[X:%.*]] to <2 x float>
-; CHECK-NEXT: [[R:%.*]] = fcmp oge <2 x float> [[A]], zeroinitializer
-; CHECK-NEXT: ret <2 x i1> [[R]]
+; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
;
%a = uitofp <2 x i32> %x to <2 x float>
%r = fcmp oge <2 x float> %a, zeroinitializer
define i1 @fabs_nnan_is_positive_or_zero(double %x) {
; CHECK-LABEL: @fabs_nnan_is_positive_or_zero(
-; CHECK-NEXT: [[FABS:%.*]] = tail call nnan double @llvm.fabs.f64(double [[X:%.*]])
-; CHECK-NEXT: [[CMP:%.*]] = fcmp oge double [[FABS]], 0.000000e+00
-; CHECK-NEXT: ret i1 [[CMP]]
+; CHECK-NEXT: ret i1 true
;
%fabs = tail call nnan double @llvm.fabs.f64(double %x)
%cmp = fcmp oge double %fabs, 0.0
define <2 x i1> @fabs_nnan_is_positive_or_zero_vec(<2 x double> %x) {
; CHECK-LABEL: @fabs_nnan_is_positive_or_zero_vec(
-; CHECK-NEXT: [[FABS:%.*]] = tail call nnan <2 x double> @llvm.fabs.v2f64(<2 x double> [[X:%.*]])
-; CHECK-NEXT: [[CMP:%.*]] = fcmp oge <2 x double> [[FABS]], zeroinitializer
-; CHECK-NEXT: ret <2 x i1> [[CMP]]
+; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
;
%fabs = tail call nnan <2 x double> @llvm.fabs.v2f64(<2 x double> %x)
%cmp = fcmp oge <2 x double> %fabs, zeroinitializer