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| author | rdivacky <rdivacky@FreeBSD.org> | 2010-03-06 09:22:29 +0000 |
|---|---|---|
| committer | rdivacky <rdivacky@FreeBSD.org> | 2010-03-06 09:22:29 +0000 |
| commit | 9bef28eb9e224d641ce31a423e215ccf82bf1d43 (patch) | |
| tree | 542734eaa7870f95912cbaebccb87dbec0c20b4f /lib/Target/ARM/ARMLoadStoreOptimizer.cpp | |
| parent | 8230c40430a1325b5cc5bc0221931487b4bd573c (diff) | |
| download | FreeBSD-src-9bef28eb9e224d641ce31a423e215ccf82bf1d43.zip FreeBSD-src-9bef28eb9e224d641ce31a423e215ccf82bf1d43.tar.gz | |
Update LLVM to r97873.
Diffstat (limited to 'lib/Target/ARM/ARMLoadStoreOptimizer.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMLoadStoreOptimizer.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp index 5b4f02d..19f1e3b 100644 --- a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp +++ b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp @@ -761,6 +761,11 @@ static bool isMemoryOp(const MachineInstr *MI) { MI->getOperand(0).isUndef()) return false; + // Likewise don't mess with references to undefined addresses. + if (MI->getNumOperands() > 1 && MI->getOperand(1).isReg() && + MI->getOperand(1).isUndef()) + return false; + int Opcode = MI->getOpcode(); switch (Opcode) { default: break; |
