diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2012-10-09 23:48:33 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2012-10-09 23:48:33 +0000 |
| commit | e61e516a51f1211c1385a3043523552f4e56003d (patch) | |
| tree | a8b14ae39187d0deeaf199c9d149fd703dc89213 /lib/Target | |
| parent | c0dfffa448ad7ab647779bc3e7f2aee5c76cb31b (diff) | |
When expanding atomic load arith instructions, do not lose target flags. rdar://12453106
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165568 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 5e0b9c0034..7e43e5432d 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -12389,9 +12389,12 @@ X86TargetLowering::EmitAtomicLoadArith6432(MachineInstr *MI, // Hi MIB = BuildMI(thisMBB, DL, TII->get(LOADOpc), X86::EDX); for (unsigned i = 0; i < X86::AddrNumOperands; ++i) { - if (i == X86::AddrDisp) + if (i == X86::AddrDisp) { MIB.addDisp(MI->getOperand(MemOpndSlot + i), 4); // 4 == sizeof(i32) - else + // Don't forget to transfer the target flag. + MachineOperand &MO = MIB->getOperand(MIB->getNumOperands()-1); + MO.setTargetFlags(MI->getOperand(MemOpndSlot + i).getTargetFlags()); + } else MIB.addOperand(MI->getOperand(MemOpndSlot + i)); } MIB.setMemRefs(MMOBegin, MMOEnd); |