diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2020-07-31 21:22:58 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2020-07-31 21:22:58 +0000 |
| commit | 5ffd83dbcc34f10e07f6d3e968ae6365869615f4 (patch) | |
| tree | 0e9f5cf729dde39f949698fddef45a34e2bc7f44 /contrib/llvm-project/llvm/lib/CodeGen/MachineCombiner.cpp | |
| parent | 1799696096df87b52968b8996d00c91e0a5de8d9 (diff) | |
| parent | cfca06d7963fa0909f90483b42a6d7d194d01e08 (diff) | |
Notes
Diffstat (limited to 'contrib/llvm-project/llvm/lib/CodeGen/MachineCombiner.cpp')
| -rw-r--r-- | contrib/llvm-project/llvm/lib/CodeGen/MachineCombiner.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/contrib/llvm-project/llvm/lib/CodeGen/MachineCombiner.cpp b/contrib/llvm-project/llvm/lib/CodeGen/MachineCombiner.cpp index 73895bdf834f..f241435a0482 100644 --- a/contrib/llvm-project/llvm/lib/CodeGen/MachineCombiner.cpp +++ b/contrib/llvm-project/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 |