N0.getOperand(0).getNode()->hasOneUse() &&
isa<ConstantSDNode>(N0.getOperand(1))) {
LoadSDNode *Lod = cast<LoadSDNode>(N0.getOperand(0));
- uint64_t Mask = cast<ConstantSDNode>(N0.getOperand(1))->getZExtValue();
uint64_t bestMask = 0;
unsigned bestWidth = 0, bestOffset = 0;
- if (!Lod->isVolatile() && Lod->isUnindexed()) {
+ if (!Lod->isVolatile() && Lod->isUnindexed() &&
+ // FIXME: This uses getZExtValue() below so it only works on i64 and
+ // below.
+ N0.getValueType().getSizeInBits() <= 64) {
unsigned origWidth = N0.getValueType().getSizeInBits();
// We can narrow (e.g.) 16-bit extending loads on 32-bit target to
// 8 bits, but have to be careful...
if (Lod->getExtensionType() != ISD::NON_EXTLOAD)
origWidth = Lod->getMemoryVT().getSizeInBits();
+ uint64_t Mask =cast<ConstantSDNode>(N0.getOperand(1))->getZExtValue();
for (unsigned width = origWidth / 2; width>=8; width /= 2) {
uint64_t newMask = (1ULL << width) - 1;
for (unsigned offset=0; offset<origWidth/width; offset++) {
- if ((newMask & Mask)==Mask) {
+ if ((newMask & Mask) == Mask) {
if (!TD->isLittleEndian())
bestOffset = (origWidth/width - offset - 1) * (width/8);
else
--- /dev/null
+; RUN: llvm-as < %s | llc
+; rdar://6836460
+
+define i32 @test(i128* %P) nounwind {
+entry:
+ %tmp48 = load i128* %P
+ %and49 = and i128 %tmp48, 18446744073709551616 ; <i128> [#uses=1]
+ %tobool = icmp ne i128 %and49, 0 ; <i1> [#uses=1]
+ br i1 %tobool, label %if.then50, label %if.end61
+
+if.then50: ; preds = %if.then20
+ ret i32 1241
+
+if.end61: ; preds = %if.then50, %if.then20, %entry
+ ret i32 123
+}