diff options
author | Evan Cheng <evan.cheng@apple.com> | 2010-04-22 20:19:46 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2010-04-22 20:19:46 +0000 |
commit | 07c4e1085d04fa773708d0bd91794d80c426eae6 (patch) | |
tree | 17da48db6ff93da2fb21d3ff53e4df981eba6682 /lib/Target/X86/X86ISelLowering.cpp | |
parent | 3b172f1c018a093d0dae3105324d782103fcda6d (diff) |
- It's not safe to promote rotates (at least not trivially).
- Some code refactoring.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102111 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86ISelLowering.cpp')
-rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 879ed578cb..a47f4ca33b 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -9970,8 +9970,6 @@ bool X86TargetLowering::isTypeDesirableForOp(unsigned Opc, EVT VT) const { case ISD::SHL: case ISD::SRA: case ISD::SRL: - case ISD::ROTL: - case ISD::ROTR: case ISD::SUB: case ISD::ADD: case ISD::MUL: @@ -10015,9 +10013,7 @@ bool X86TargetLowering::IsDesirableToPromoteOp(SDValue Op, EVT &PVT) const { break; case ISD::SHL: case ISD::SRA: - case ISD::SRL: - case ISD::ROTL: - case ISD::ROTR: { + case ISD::SRL: { SDValue N0 = Op.getOperand(0); // Look out for (store (shl (load), x)). if (isa<LoadSDNode>(N0) && N0.hasOneUse() && |