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author | dim <dim@FreeBSD.org> | 2010-10-07 20:31:07 +0000 |
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committer | dim <dim@FreeBSD.org> | 2010-10-07 20:31:07 +0000 |
commit | bd9a22a54ea3eebd6e9ce34ba6f339c76dae2c62 (patch) | |
tree | 28998061a324b4c40ce3f58faa8fd1bb4173fc9d /contrib/llvm/lib/Target/ARM | |
parent | 472b886ca9cf75d7d3b2bb9a4902aa73f50cff6b (diff) | |
download | FreeBSD-src-bd9a22a54ea3eebd6e9ce34ba6f339c76dae2c62.zip FreeBSD-src-bd9a22a54ea3eebd6e9ce34ba6f339c76dae2c62.tar.gz |
Upgrade Clang and LLVM to the 2.8 release. See here for release notes:
http://llvm.org/releases/2.8/docs/ReleaseNotes.html
Approved by: rpaulo (mentor)
Diffstat (limited to 'contrib/llvm/lib/Target/ARM')
-rw-r--r-- | contrib/llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/contrib/llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp b/contrib/llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp index 3a8bebe..e4f10f9 100644 --- a/contrib/llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp +++ b/contrib/llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp @@ -1389,7 +1389,8 @@ ConvertToSetZeroFlag(MachineInstr *MI, MachineInstr *CmpInstr) const { // Check that CPSR isn't set between the comparison instruction and the one we // want to change. - MachineBasicBlock::const_iterator I = CmpInstr, E = MI; + MachineBasicBlock::const_iterator I = CmpInstr, E = MI, + B = MI->getParent()->begin(); --I; for (; I != E; --I) { const MachineInstr &Instr = *I; @@ -1403,6 +1404,10 @@ ConvertToSetZeroFlag(MachineInstr *MI, MachineInstr *CmpInstr) const { if (MO.getReg() == ARM::CPSR) return false; } + + if (I == B) + // The 'and' is below the comparison instruction. + return false; } // Set the "zero" bit in CPSR. |