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Stop emitting instructions with the name "tmp" they eat up memory and have to be uniqued, without any benefit.

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If someone prefers %tmp42 to %42, run instnamer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140634 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2011-09-27 20:39:19 +00:00
parent 100a371725
commit a9390a4d5f
22 changed files with 123 additions and 146 deletions
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10
lib/Transforms/Scalar/GVN.cpp
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@@ -946,10 +946,9 @@ static Value *GetStoreValueForLoad(Value *SrcVal, unsigned Offset,
// Compute which bits of the stored value are being used by the load. Convert
// to an integer type to start with.
if (SrcVal->getType()->isPointerTy())
SrcVal = Builder.CreatePtrToInt(SrcVal, TD.getIntPtrType(Ctx), "tmp");
SrcVal = Builder.CreatePtrToInt(SrcVal, TD.getIntPtrType(Ctx));
if (!SrcVal->getType()->isIntegerTy())
SrcVal = Builder.CreateBitCast(SrcVal, IntegerType::get(Ctx, StoreSize*8),
"tmp");
SrcVal = Builder.CreateBitCast(SrcVal, IntegerType::get(Ctx, StoreSize*8));
// Shift the bits to the least significant depending on endianness.
unsigned ShiftAmt;
@@ -959,11 +958,10 @@ static Value *GetStoreValueForLoad(Value *SrcVal, unsigned Offset,
ShiftAmt = (StoreSize-LoadSize-Offset)*8;
if (ShiftAmt)
SrcVal = Builder.CreateLShr(SrcVal, ShiftAmt, "tmp");
SrcVal = Builder.CreateLShr(SrcVal, ShiftAmt);
if (LoadSize != StoreSize)
SrcVal = Builder.CreateTrunc(SrcVal, IntegerType::get(Ctx, LoadSize*8),
"tmp");
SrcVal = Builder.CreateTrunc(SrcVal, IntegerType::get(Ctx, LoadSize*8));
return CoerceAvailableValueToLoadType(SrcVal, LoadTy, InsertPt, TD);
}