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| author | Tim Northover <tnorthover@apple.com> | 2014-09-10 12:53:28 +0000 |
|---|---|---|
| committer | Tim Northover <tnorthover@apple.com> | 2014-09-10 12:53:28 +0000 |
| commit | ba1d7042290bee0d0bf8b920a62758951e14d609 (patch) | |
| tree | b36391f5ab3ec1b57546d1b43c8c1227ac566d01 /llvm/lib/Target/ARM/Thumb2SizeReduction.cpp | |
| parent | a2626a584d539d1463be58d5987018862b15d199 (diff) | |
| download | bcm5719-llvm-ba1d7042290bee0d0bf8b920a62758951e14d609.tar.gz bcm5719-llvm-ba1d7042290bee0d0bf8b920a62758951e14d609.zip | |
ARM: don't size-reduce STMs using the LR register.
The only Thumb-1 multi-store capable of using LR is the PUSH instruction, which
translates to STMDB, so we shouldn't convert STMIAs.
Patch by Sergey Dmitrouk.
llvm-svn: 217498
Diffstat (limited to 'llvm/lib/Target/ARM/Thumb2SizeReduction.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/Thumb2SizeReduction.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Target/ARM/Thumb2SizeReduction.cpp b/llvm/lib/Target/ARM/Thumb2SizeReduction.cpp index 49a69fd3a6a..2176b839f1f 100644 --- a/llvm/lib/Target/ARM/Thumb2SizeReduction.cpp +++ b/llvm/lib/Target/ARM/Thumb2SizeReduction.cpp @@ -335,7 +335,7 @@ static bool VerifyLowRegs(MachineInstr *MI) { bool isPCOk = (Opc == ARM::t2LDMIA_RET || Opc == ARM::t2LDMIA || Opc == ARM::t2LDMDB || Opc == ARM::t2LDMIA_UPD || Opc == ARM::t2LDMDB_UPD); - bool isLROk = (Opc == ARM::t2STMIA_UPD || Opc == ARM::t2STMDB_UPD); + bool isLROk = (Opc == ARM::t2STMDB_UPD); bool isSPOk = isPCOk || isLROk; for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) { const MachineOperand &MO = MI->getOperand(i); |
