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| author | Dimitry Andric <dim@FreeBSD.org> | 2018-08-02 17:32:43 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2018-08-02 17:32:43 +0000 |
| commit | b7eb8e35e481a74962664b63dfb09483b200209a (patch) | |
| tree | 1937fb4a348458ce2d02ade03ac3bb0aa18d2fcd /tools/llvm-mca/InstrBuilder.cpp | |
| parent | eb11fae6d08f479c0799db45860a98af528fa6e7 (diff) | |
Diffstat (limited to 'tools/llvm-mca/InstrBuilder.cpp')
| -rw-r--r-- | tools/llvm-mca/InstrBuilder.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/llvm-mca/InstrBuilder.cpp b/tools/llvm-mca/InstrBuilder.cpp index dbd457196f9d..053b7b4e8175 100644 --- a/tools/llvm-mca/InstrBuilder.cpp +++ b/tools/llvm-mca/InstrBuilder.cpp @@ -443,6 +443,10 @@ InstrBuilder::createInstruction(const MCInst &MCI) { // register writes implicitly clear the upper portion of a super-register. MCIA.clearsSuperRegisters(MRI, MCI, WriteMask); + // Check if this is a dependency breaking instruction. + if (MCIA.isDependencyBreaking(STI, MCI)) + NewIS->setDependencyBreaking(); + // Initialize writes. unsigned WriteIndex = 0; for (const WriteDescriptor &WD : D.Writes) { |