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-rw-r--r--llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
index 69484f47223..7ed999fa70b 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
@@ -839,7 +839,8 @@ static Value *simplifyX86extrq(IntrinsicInst &II, Value *Op0,
// Length bits.
if (CI0) {
APInt Elt = CI0->getValue();
- Elt = Elt.lshr(Index).zextOrTrunc(Length);
+ Elt.lshrInPlace(Index);
+ Elt = Elt.zextOrTrunc(Length);
return LowConstantHighUndef(Elt.getZExtValue());
}
@@ -1036,7 +1037,7 @@ static Value *simplifyX86vpermilvar(const IntrinsicInst &II,
// The PD variants uses bit 1 to select per-lane element index, so
// shift down to convert to generic shuffle mask index.
if (IsPD)
- Index = Index.lshr(1);
+ Index.lshrInPlace(1);
// The _256 variants are a bit trickier since the mask bits always index
// into the corresponding 128 half. In order to convert to a generic
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