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| author | Brian Gaeke <gaeke@uiuc.edu> | 2004-06-11 02:03:48 +0000 |
|---|---|---|
| committer | Brian Gaeke <gaeke@uiuc.edu> | 2004-06-11 02:03:48 +0000 |
| commit | 46bf5afa01b71f672bfc37166989884ea60647d1 (patch) | |
| tree | 24645b7f1bb4fc0db09c280192c714e6490b8aae | |
| parent | f616f22e816ce7f7ba3414cf3d91c9410aa03223 (diff) | |
| download | llvm-46bf5afa01b71f672bfc37166989884ea60647d1.tar.gz llvm-46bf5afa01b71f672bfc37166989884ea60647d1.tar.bz2 llvm-46bf5afa01b71f672bfc37166989884ea60647d1.tar.xz | |
Turn loads of ConstantPointerNulls into loads of zero... don't spill
them into the constant pool.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14128 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/SparcV9/SparcV9InstrInfo.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Target/SparcV9/SparcV9InstrInfo.cpp b/lib/Target/SparcV9/SparcV9InstrInfo.cpp index cbbe154ccf..986d4a88b3 100644 --- a/lib/Target/SparcV9/SparcV9InstrInfo.cpp +++ b/lib/Target/SparcV9/SparcV9InstrInfo.cpp @@ -74,6 +74,12 @@ SparcV9InstrInfo::ConvertConstantToIntType(const TargetMachine &target, return (uint64_t) CB->getValue(); } + // ConstantPointerNull: it's really just a big, shiny version of zero. + if (const ConstantPointerNull *CPN = dyn_cast<ConstantPointerNull>(V)) { + isValidConstant = true; + return 0; + } + // For other types of constants, some conversion may be needed. // First, extract the constant operand according to its own type if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(V)) |