diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2020-07-26 19:36:28 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2020-07-26 19:36:28 +0000 |
| commit | cfca06d7963fa0909f90483b42a6d7d194d01e08 (patch) | |
| tree | 209fb2a2d68f8f277793fc8df46c753d31bc853b /llvm/lib/CodeGen/MachineCombiner.cpp | |
| parent | 706b4fc47bbc608932d3b491ae19a3b9cde9497b (diff) | |
Notes
Diffstat (limited to 'llvm/lib/CodeGen/MachineCombiner.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineCombiner.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/MachineCombiner.cpp b/llvm/lib/CodeGen/MachineCombiner.cpp index 73895bdf834f5..f241435a04823 100644 --- a/llvm/lib/CodeGen/MachineCombiner.cpp +++ b/llvm/lib/CodeGen/MachineCombiner.cpp @@ -269,6 +269,8 @@ static CombinerObjective getCombinerObjective(MachineCombinerPattern P) { case MachineCombinerPattern::REASSOC_AX_YB: case MachineCombinerPattern::REASSOC_XA_BY: case MachineCombinerPattern::REASSOC_XA_YB: + case MachineCombinerPattern::REASSOC_XY_AMM_BMM: + case MachineCombinerPattern::REASSOC_XMM_AMM_BMM: return CombinerObjective::MustReduceDepth; default: return CombinerObjective::Default; @@ -406,12 +408,14 @@ bool MachineCombiner::preservesResourceLen( << ResLenBeforeCombine << " and after: " << ResLenAfterCombine << "\n";); LLVM_DEBUG( - ResLenAfterCombine <= ResLenBeforeCombine + ResLenAfterCombine <= + ResLenBeforeCombine + TII->getExtendResourceLenLimit() ? dbgs() << "\t\t As result it IMPROVES/PRESERVES Resource Length\n" : dbgs() << "\t\t As result it DOES NOT improve/preserve Resource " "Length\n"); - return ResLenAfterCombine <= ResLenBeforeCombine; + return ResLenAfterCombine <= + ResLenBeforeCombine + TII->getExtendResourceLenLimit(); } /// \returns true when new instruction sequence should be generated |