diff options
| author | Olivier Sallenave <ohsallen@us.ibm.com> | 2015-04-22 14:07:26 +0000 |
|---|---|---|
| committer | Olivier Sallenave <ohsallen@us.ibm.com> | 2015-04-22 14:07:26 +0000 |
| commit | c587bee405a4c542488412541753f2e1126392cf (patch) | |
| tree | e48d3df7ab1f330587693f10a04fd4b5064c9f64 /llvm/lib/CodeGen | |
| parent | 1d67713b443e640a3d7dab9a955c73b4452c5316 (diff) | |
| download | bcm5719-llvm-c587bee405a4c542488412541753f2e1126392cf.tar.gz bcm5719-llvm-c587bee405a4c542488412541753f2e1126392cf.zip | |
Fixed logic to enable complex FMA formation.
llvm-svn: 235508
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 4b98da70720..f85582dc98b 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -7164,7 +7164,7 @@ SDValue DAGCombiner::visitFADDForFMACombine(SDNode *N) { N0)); } - if (LookThroughFPExt) { + if (UnsafeFPMath && LookThroughFPExt) { // fold (fadd (fma x, y, (fpext (fmul u, v))), z) // -> (fma x, y, (fma (fpext u), (fpext v), z)) auto FoldFAddFMAFPExtFMul = [&] ( @@ -7415,7 +7415,7 @@ SDValue DAGCombiner::visitFSUBForFMACombine(SDNode *N) { N21, N0)); } - if (LookThroughFPExt) { + if (UnsafeFPMath && LookThroughFPExt) { // fold (fsub (fma x, y, (fpext (fmul u, v))), z) // -> (fma x, y (fma (fpext u), (fpext v), (fneg z))) if (N0.getOpcode() == PreferredFusedOpcode) { |
