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| author | Peter Collingbourne <peter@pcc.me.uk> | 2017-01-20 23:22:28 +0000 |
|---|---|---|
| committer | Peter Collingbourne <peter@pcc.me.uk> | 2017-01-20 23:22:28 +0000 |
| commit | 67addbcacf17afd4ec38f612506f678449f9aae1 (patch) | |
| tree | 8f0be5e26f4aaeae7d377ff9ee07064a7bb9975f /llvm/lib | |
| parent | 18de36bc90e22a05e76a03c15eacdb474a262d16 (diff) | |
| download | bcm5719-llvm-67addbcacf17afd4ec38f612506f678449f9aae1.tar.gz bcm5719-llvm-67addbcacf17afd4ec38f612506f678449f9aae1.zip | |
LowerTypeTests: Simplify; always create SizeM1 with type IntPtrTy, move initialization out of if statement.
llvm-svn: 292674
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/IPO/LowerTypeTests.cpp | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/llvm/lib/Transforms/IPO/LowerTypeTests.cpp b/llvm/lib/Transforms/IPO/LowerTypeTests.cpp index 2bd2bb60554..9ceb76a8e35 100644 --- a/llvm/lib/Transforms/IPO/LowerTypeTests.cpp +++ b/llvm/lib/Transforms/IPO/LowerTypeTests.cpp @@ -602,8 +602,7 @@ Value *LowerTypeTestsModule::lowerTypeTestCall(Metadata *TypeId, CallInst *CI, IntPtrTy)); Value *BitOffset = B.CreateOr(OffsetSHR, OffsetSHL); - Constant *BitSizeConst = ConstantExpr::getZExtOrBitCast(TIL.SizeM1, IntPtrTy); - Value *OffsetInRange = B.CreateICmpULE(BitOffset, BitSizeConst); + Value *OffsetInRange = B.CreateICmpULE(BitOffset, TIL.SizeM1); // If the bit set is all ones, testing against it is unnecessary. if (TIL.TheKind == TypeTestResolution::AllOnes) @@ -832,14 +831,12 @@ void LowerTypeTestsModule::lowerTypeTestCalls( TIL.OffsetedGlobal = ConstantExpr::getGetElementPtr( Int8Ty, CombinedGlobalAddr, ConstantInt::get(IntPtrTy, BSI.ByteOffset)), TIL.AlignLog2 = ConstantInt::get(Int8Ty, BSI.AlignLog2); + TIL.SizeM1 = ConstantInt::get(IntPtrTy, BSI.BitSize - 1); if (BSI.isAllOnes()) { TIL.TheKind = (BSI.BitSize == 1) ? TypeTestResolution::Single : TypeTestResolution::AllOnes; - TIL.SizeM1 = ConstantInt::get((BSI.BitSize <= 128) ? Int8Ty : Int32Ty, - BSI.BitSize - 1); } else if (BSI.BitSize <= 64) { TIL.TheKind = TypeTestResolution::Inline; - TIL.SizeM1 = ConstantInt::get(Int8Ty, BSI.BitSize - 1); uint64_t InlineBits = 0; for (auto Bit : BSI.Bits) InlineBits |= uint64_t(1) << Bit; @@ -850,8 +847,6 @@ void LowerTypeTestsModule::lowerTypeTestCalls( (BSI.BitSize <= 32) ? Int32Ty : Int64Ty, InlineBits); } else { TIL.TheKind = TypeTestResolution::ByteArray; - TIL.SizeM1 = ConstantInt::get((BSI.BitSize <= 128) ? Int8Ty : Int32Ty, - BSI.BitSize - 1); ++NumByteArraysCreated; ByteArrayInfo *BAI = createByteArray(BSI); TIL.TheByteArray = BAI->ByteArray; |
