assert(NumParts == 1 && "Do not know what to promote to!");
Val = DAG.getNode(ISD::FP_EXTEND, DL, PartVT, Val);
} else {
- assert(PartVT.isInteger() && ValueVT.isInteger() &&
+ assert((PartVT.isInteger() || PartVT == MVT::x86mmx) &&
+ ValueVT.isInteger() &&
"Unknown mismatch!");
ValueVT = EVT::getIntegerVT(*DAG.getContext(), NumParts * PartBits);
Val = DAG.getNode(ExtendKind, DL, ValueVT, Val);
+ if (PartVT == MVT::x86mmx)
+ Val = DAG.getNode(ISD::BITCAST, DL, PartVT, Val);
}
} else if (PartBits == ValueVT.getSizeInBits()) {
// Different types of the same size.
Val = DAG.getNode(ISD::BITCAST, DL, PartVT, Val);
} else if (NumParts * PartBits < ValueVT.getSizeInBits()) {
// If the parts cover less bits than value has, truncate the value.
- assert(PartVT.isInteger() && ValueVT.isInteger() &&
+ assert((PartVT.isInteger() || PartVT == MVT::x86mmx) &&
+ ValueVT.isInteger() &&
"Unknown mismatch!");
ValueVT = EVT::getIntegerVT(*DAG.getContext(), NumParts * PartBits);
Val = DAG.getNode(ISD::TRUNCATE, DL, ValueVT, Val);
+ if (PartVT == MVT::x86mmx)
+ Val = DAG.getNode(ISD::BITCAST, DL, PartVT, Val);
}
// The value may have changed - recompute ValueVT.
--- /dev/null
+; RUN: llc -mcpu=i686 -mattr=+mmx < %s | FileCheck %s
+; <rdar://problem/10106006>
+
+define void @func() nounwind ssp {
+; CHECK: psrlw %mm0, %mm1
+entry:
+ call void asm sideeffect "psrlw $0, %mm1", "y,~{dirflag},~{fpsr},~{flags}"(i32 8) nounwind
+ unreachable
+
+bb367: ; preds = %entry
+ ret void
+}