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| author | Clement Courbet <courbet@google.com> | 2019-03-28 14:12:46 +0000 |
|---|---|---|
| committer | Clement Courbet <courbet@google.com> | 2019-03-28 14:12:46 +0000 |
| commit | 699dc025a62589cfd8f2c9d2c64b4297f2dedb88 (patch) | |
| tree | 4ea56b5913bc50ce5615c3ea83df10a3ed0834b1 /llvm/lib/Target/X86/X86TargetTransformInfo.cpp | |
| parent | a353fd572abbbf00f5ccd496bc2571fb23c517e3 (diff) | |
| download | bcm5719-llvm-699dc025a62589cfd8f2c9d2c64b4297f2dedb88.tar.gz bcm5719-llvm-699dc025a62589cfd8f2c9d2c64b4297f2dedb88.zip | |
[X86MacroFusion] Handle branch fusion (AMD CPUs).
Summary:
This adds a BranchFusion feature to replace the usage of the MacroFusion
for AMD CPUs.
See D59688 for context.
Reviewers: andreadb, lebedev.ri
Subscribers: hiraditya, jdoerfert, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D59872
llvm-svn: 357171
Diffstat (limited to 'llvm/lib/Target/X86/X86TargetTransformInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86TargetTransformInfo.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp index 16128ceb92b..134915128d2 100644 --- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp +++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp @@ -2984,7 +2984,7 @@ bool X86TTIImpl::isLSRCostLess(TargetTransformInfo::LSRCost &C1, } bool X86TTIImpl::canMacroFuseCmp() { - return ST->hasMacroFusion(); + return ST->hasMacroFusion() || ST->hasBranchFusion(); } bool X86TTIImpl::isLegalMaskedLoad(Type *DataTy) { |
