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| author | Jiangning Liu <jiangning.liu@arm.com> | 2014-04-18 05:58:09 +0000 |
|---|---|---|
| committer | Jiangning Liu <jiangning.liu@arm.com> | 2014-04-18 05:58:09 +0000 |
| commit | bc3655f9c831ae9b7b111cd193e732fc9f341a71 (patch) | |
| tree | 8636aa1fbb192361b3ee3510ccbfa8a1ad068b4f /lib/Target/AArch64 | |
| parent | 746734df1accfeb5f336de211655c304d58cb7b3 (diff) | |
| download | llvm-bc3655f9c831ae9b7b111cd193e732fc9f341a71.tar.gz llvm-bc3655f9c831ae9b7b111cd193e732fc9f341a71.tar.bz2 llvm-bc3655f9c831ae9b7b111cd193e732fc9f341a71.tar.xz | |
This is one of the optimizations ported from ARM64 to AArch64 to address the performance gap between these two back ends. The test case newly added for AArch64 already exists in ARM64.
Patched by Z.Zheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206559 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/AArch64')
| -rw-r--r-- | lib/Target/AArch64/AArch64ISelLowering.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Target/AArch64/AArch64ISelLowering.cpp b/lib/Target/AArch64/AArch64ISelLowering.cpp index 1e79894472..0310f1bc11 100644 --- a/lib/Target/AArch64/AArch64ISelLowering.cpp +++ b/lib/Target/AArch64/AArch64ISelLowering.cpp @@ -540,6 +540,8 @@ AArch64TargetLowering::AArch64TargetLowering(AArch64TargetMachine &TM) setTargetDAGCombine(ISD::SIGN_EXTEND); setTargetDAGCombine(ISD::VSELECT); + + MaskAndBranchFoldingIsLegal = true; } EVT AArch64TargetLowering::getSetCCResultType(LLVMContext &, EVT VT) const { |