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| author | Nemanja Ivanovic <nemanja.i.ibm@gmail.com> | 2018-05-03 01:04:13 +0000 |
|---|---|---|
| committer | Nemanja Ivanovic <nemanja.i.ibm@gmail.com> | 2018-05-03 01:04:13 +0000 |
| commit | 61ffbf21cdc92e1acc4794b75ea0c12e2caa9414 (patch) | |
| tree | 7d97a9dbfe5095f6cc562e111831a8470e638051 /llvm/lib/Target/PowerPC/PPCISelLowering.cpp | |
| parent | b082a8790cee4aa37b623c83da773c2f00b4a588 (diff) | |
| download | bcm5719-llvm-61ffbf21cdc92e1acc4794b75ea0c12e2caa9414.tar.gz bcm5719-llvm-61ffbf21cdc92e1acc4794b75ea0c12e2caa9414.zip | |
Commit r331416 breaks the big-endian PPC bot. On the big endian build, we
actually encounter constants wider than 64-bits. Add the guard to prevent
tripping the assert.
llvm-svn: 331420
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCISelLowering.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp index bea8792a039..cfe77f4e3e3 100644 --- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp @@ -13984,6 +13984,9 @@ isMaskAndCmp0FoldingBeneficial(const Instruction &AndI) const { const Value *Mask = AndI.getOperand(1); // If the mask is suitable for andi. or andis. we should sink the and. if (const ConstantInt *CI = dyn_cast<ConstantInt>(Mask)) { + // Can't handle constants wider than 64-bits. + if (CI->getBitWidth() > 64) + return false; int64_t ConstVal = CI->getZExtValue(); return isUInt<16>(ConstVal) || (isUInt<16>(ConstVal >> 16) && !(ConstVal & 0xFFFF)); |
