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| author | Nirav Dave <niravd@google.com> | 2017-04-05 15:42:48 +0000 |
|---|---|---|
| committer | Nirav Dave <niravd@google.com> | 2017-04-05 15:42:48 +0000 |
| commit | aa65a2beb875e2bbe2c1b71ea3bf648d35101469 (patch) | |
| tree | 7ae7a1e5ce7629c4522e9a1dded91ab347f45b7c /llvm/lib/Target/SystemZ/SystemZISelLowering.cpp | |
| parent | dfeea506c0eb05ad83e9996ad0653d3e4e4bc727 (diff) | |
| download | bcm5719-llvm-aa65a2beb875e2bbe2c1b71ea3bf648d35101469.tar.gz bcm5719-llvm-aa65a2beb875e2bbe2c1b71ea3bf648d35101469.zip | |
[SystemZ] Prevent Merging Bitcast with non-normal loads
Fixes PR32505.
Reviewers: uweigand, jonpa
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D31609
llvm-svn: 299552
Diffstat (limited to 'llvm/lib/Target/SystemZ/SystemZISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/SystemZ/SystemZISelLowering.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp b/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp index 5078accbaf3..2db35eabe63 100644 --- a/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp +++ b/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp @@ -2792,8 +2792,9 @@ SDValue SystemZTargetLowering::lowerBITCAST(SDValue Op, // but we need this case for bitcasts that are created during lowering // and which are then lowered themselves. if (auto *LoadN = dyn_cast<LoadSDNode>(In)) - return DAG.getLoad(ResVT, DL, LoadN->getChain(), LoadN->getBasePtr(), - LoadN->getMemOperand()); + if (ISD::isNormalLoad(LoadN)) + return DAG.getLoad(ResVT, DL, LoadN->getChain(), LoadN->getBasePtr(), + LoadN->getMemOperand()); if (InVT == MVT::i32 && ResVT == MVT::f32) { SDValue In64; |
