Minor code simplifications. Don't attempt LSR on theoretical
targets with pointers larger than 64 bits, due to the code not
yet being APInt clean.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69296 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index 9575828..733f37c 100644
--- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -489,8 +489,7 @@
return false; // Void and FP expressions cannot be reduced.
// LSR is not APInt clean, do not touch integers bigger than 64-bits.
- if (I->getType()->isInteger() &&
- I->getType()->getPrimitiveSizeInBits() > 64)
+ if (TD->getTypeSizeInBits(I->getType()) > 64)
return false;
if (!Processed.insert(I))
@@ -2075,16 +2074,11 @@
if (RequiresTypeConversion(NewCmpTy, CmpTy)) {
// Check if it is possible to rewrite it using
// an iv / stride of a smaller integer type.
- bool TruncOk = false;
- if (NewCmpTy->isInteger()) {
- unsigned Bits = NewTyBits;
- if (ICmpInst::isSignedPredicate(Predicate))
- --Bits;
- uint64_t Mask = (1ULL << Bits) - 1;
- if (((uint64_t)NewCmpVal & Mask) == (uint64_t)NewCmpVal)
- TruncOk = true;
- }
- if (!TruncOk)
+ unsigned Bits = NewTyBits;
+ if (ICmpInst::isSignedPredicate(Predicate))
+ --Bits;
+ uint64_t Mask = (1ULL << Bits) - 1;
+ if (((uint64_t)NewCmpVal & Mask) != (uint64_t)NewCmpVal)
continue;
}