diff options
| author | Tom Stellard <thomas.stellard@amd.com> | 2014-04-09 00:20:52 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2014-04-09 00:20:52 +0000 |
| commit | c69aaa1a2ca8dd581aec9aa326ddfd57d4827294 (patch) | |
| tree | 5546bb399feffc66d329522b723c015e74f141c1 /lib | |
| parent | 4b87fb1a4beb773630b0e47a1f2885d935afef29 (diff) | |
| download | llvm-c69aaa1a2ca8dd581aec9aa326ddfd57d4827294.tar.gz llvm-c69aaa1a2ca8dd581aec9aa326ddfd57d4827294.tar.bz2 llvm-c69aaa1a2ca8dd581aec9aa326ddfd57d4827294.tar.xz | |
Merging r202192:
------------------------------------------------------------------------
r202192 | hfinkel | 2014-02-25 15:51:50 -0500 (Tue, 25 Feb 2014) | 5 lines
Account for 128-bit integer operations in PPCCTRLoops
We need to abort the formation of counter-register-based loops where there are
128-bit integer operations that might become function calls.
------------------------------------------------------------------------
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@205822 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/PowerPC/PPCCTRLoops.cpp | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/lib/Target/PowerPC/PPCCTRLoops.cpp b/lib/Target/PowerPC/PPCCTRLoops.cpp index 4224ae2d27..e419b9b40d 100644 --- a/lib/Target/PowerPC/PPCCTRLoops.cpp +++ b/lib/Target/PowerPC/PPCCTRLoops.cpp @@ -186,6 +186,13 @@ bool PPCCTRLoops::runOnFunction(Function &F) { return MadeChange; } +static bool isLargeIntegerTy(bool Is32Bit, Type *Ty) { + if (IntegerType *ITy = dyn_cast<IntegerType>(Ty)) + return ITy->getBitWidth() > (Is32Bit ? 32 : 64); + + return false; +} + bool PPCCTRLoops::mightUseCTR(const Triple &TT, BasicBlock *BB) { for (BasicBlock::iterator J = BB->begin(), JE = BB->end(); J != JE; ++J) { @@ -352,13 +359,11 @@ bool PPCCTRLoops::mightUseCTR(const Triple &TT, BasicBlock *BB) { CastInst *CI = cast<CastInst>(J); if (CI->getSrcTy()->getScalarType()->isPPC_FP128Ty() || CI->getDestTy()->getScalarType()->isPPC_FP128Ty() || - (TT.isArch32Bit() && - (CI->getSrcTy()->getScalarType()->isIntegerTy(64) || - CI->getDestTy()->getScalarType()->isIntegerTy(64)) - )) + isLargeIntegerTy(TT.isArch32Bit(), CI->getSrcTy()->getScalarType()) || + isLargeIntegerTy(TT.isArch32Bit(), CI->getDestTy()->getScalarType())) return true; - } else if (TT.isArch32Bit() && - J->getType()->getScalarType()->isIntegerTy(64) && + } else if (isLargeIntegerTy(TT.isArch32Bit(), + J->getType()->getScalarType()) && (J->getOpcode() == Instruction::UDiv || J->getOpcode() == Instruction::SDiv || J->getOpcode() == Instruction::URem || |