diff options
| author | Vikram S. Adve <vadve@cs.uiuc.edu> | 2002-09-27 14:26:20 +0000 |
|---|---|---|
| committer | Vikram S. Adve <vadve@cs.uiuc.edu> | 2002-09-27 14:26:20 +0000 |
| commit | 1c10f17552c4794d65c8d0019a4111b367518be6 (patch) | |
| tree | 73b01f997e4a4ffdf4c3fe30fc1525549b729e5e /lib/CodeGen/InstrSelection/InstrSelectionSupport.cpp | |
| parent | e9cb7351316cfd6f57d31540b00ac5636105635c (diff) | |
| download | external_llvm-1c10f17552c4794d65c8d0019a4111b367518be6.zip external_llvm-1c10f17552c4794d65c8d0019a4111b367518be6.tar.gz external_llvm-1c10f17552c4794d65c8d0019a4111b367518be6.tar.bz2 | |
Sign-extend integer constants from original type size to 64 bits!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3958 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/InstrSelection/InstrSelectionSupport.cpp')
| -rw-r--r-- | lib/CodeGen/InstrSelection/InstrSelectionSupport.cpp | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/lib/CodeGen/InstrSelection/InstrSelectionSupport.cpp b/lib/CodeGen/InstrSelection/InstrSelectionSupport.cpp index 508c0b6..a8f14e2 100644 --- a/lib/CodeGen/InstrSelection/InstrSelectionSupport.cpp +++ b/lib/CodeGen/InstrSelection/InstrSelectionSupport.cpp @@ -373,11 +373,15 @@ ChooseRegOrImmed(Value* val, else if (CPV->getType()->isSigned()) intValue = cast<ConstantSInt>(CPV)->getValue(); else - { - assert(CPV->getType()->isUnsigned() && "Not pointer, bool, or integer?"); - uint64_t V = cast<ConstantUInt>(CPV)->getValue(); - if (V >= INT64_MAX) return MachineOperand::MO_VirtualRegister; - intValue = (int64_t) V; + { // get the int value and sign-extend if original was less than 64 bits + intValue = (int64_t) cast<ConstantUInt>(CPV)->getValue(); + switch(CPV->getType()->getPrimitiveID()) + { + case Type::UByteTyID: intValue = (int64_t) (int8_t) intValue; break; + case Type::UShortTyID: intValue = (int64_t) (short) intValue; break; + case Type::UIntTyID: intValue = (int64_t) (int) intValue; break; + default: break; + } } return ChooseRegOrImmed(intValue, CPV->getType()->isSigned(), |