if (const auto *II = dyn_cast<IntrinsicInst>(V)) {
switch (II->getIntrinsicID()) {
+ case Intrinsic::sin:
+ case Intrinsic::cos:
+ // Return NaN on infinite inputs.
+ return true;
case Intrinsic::fabs:
case Intrinsic::sqrt:
case Intrinsic::canonicalize:
; No source check required
define i1 @isKnownNeverInfinity_sin(double %x) {
; CHECK-LABEL: @isKnownNeverInfinity_sin(
-; CHECK-NEXT: [[E:%.*]] = call double @llvm.sin.f64(double [[X:%.*]])
-; CHECK-NEXT: [[R:%.*]] = fcmp une double [[E]], 0x7FF0000000000000
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 true
;
%e = call double @llvm.sin.f64(double %x)
%r = fcmp une double %e, 0x7ff0000000000000
; No source check required
define i1 @isKnownNeverInfinity_cos(double %x) {
; CHECK-LABEL: @isKnownNeverInfinity_cos(
-; CHECK-NEXT: [[E:%.*]] = call double @llvm.cos.f64(double [[X:%.*]])
-; CHECK-NEXT: [[R:%.*]] = fcmp une double [[E]], 0x7FF0000000000000
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 true
;
%e = call double @llvm.cos.f64(double %x)
%r = fcmp une double %e, 0x7ff0000000000000