int64_t ME = MI.getOperand(4).getImm();
APInt InVal(32, SExtImm, true);
InVal = InVal.rotl(SH);
- // Set the bits ( MB + 32 ) to ( ME + 32 ).
- uint64_t Mask = ((1LLU << (32 - MB)) - 1) & ~((1LLU << (31 - ME)) - 1);
+ APInt Mask = APInt::getBitsSetWithWrap(32, 32 - ME - 1, 32 - MB);
InVal &= Mask;
// Can't replace negative values with an LI as that will sign-extend
// and not clear the left bits. If we're setting the CR bit, we will use
; CHECK: %3:gprc = RLWINM %2, 19, 10, 20
BLR8 implicit $lr8, implicit $rm
...
+---
+name: testFoldRLWINMLIWrapMask
+#CHECK: name: testFoldRLWINMLIWrapMask
+tracksRegLiveness: true
+body: |
+ bb.0.entry:
+ liveins: $x3
+ %0:gprc = COPY $x3
+ %1:gprc = LI 100
+ ; CHECK: %2:gprc = LI 200
+ %2:gprc = RLWINM %1:gprc, 1, 3, 2
+ STW %2:gprc, %0:gprc, 100
+ BLR8 implicit $lr8, implicit $rm
+...