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| author | David Majnemer <david.majnemer@gmail.com> | 2016-03-26 09:42:31 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2016-03-26 09:42:31 +0000 |
| commit | b549ab02b4659c2e6164cb1a39ef798b80d643df (patch) | |
| tree | d092eb943e796355e898b72b4097c0a3c69fcb39 /llvm/lib/Target/PowerPC/PPCCTRLoops.cpp | |
| parent | 9a5f19f50982790b6004cbd11787ef7f52c0b8a2 (diff) | |
| download | bcm5719-llvm-b549ab02b4659c2e6164cb1a39ef798b80d643df.tar.gz bcm5719-llvm-b549ab02b4659c2e6164cb1a39ef798b80d643df.zip | |
[PowerPC] Disable the CTR optimization in the presence of {min,max}num
The minnum and maxnum intrinsics get lowered to libcalls which
invalidates the CTR optimization.
This fixes PR27083.
llvm-svn: 264508
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCCTRLoops.cpp')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCCTRLoops.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp b/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp index b0a3e93c486..2a1cb608c7b 100644 --- a/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp +++ b/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp @@ -291,6 +291,8 @@ bool PPCCTRLoops::mightUseCTR(const Triple &TT, BasicBlock *BB) { case Intrinsic::pow: case Intrinsic::sin: case Intrinsic::cos: + case Intrinsic::maxnum: + case Intrinsic::minnum: return true; case Intrinsic::copysign: if (CI->getArgOperand(0)->getType()->getScalarType()-> |
