diff options
Diffstat (limited to 'lib/Target/ARM/ARMFastISel.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMFastISel.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp index 458bb1d..c7622f8 100644 --- a/lib/Target/ARM/ARMFastISel.cpp +++ b/lib/Target/ARM/ARMFastISel.cpp @@ -2151,6 +2151,10 @@ bool ARMFastISel::ARMEmitLibcall(const Instruction *I, RTLIB::Libcall Call) { for (unsigned i = 0, e = RegArgs.size(); i != e; ++i) MIB.addReg(RegArgs[i]); + // Add a register mask with the call-preserved registers. + // Proper defs for return values will be added by setPhysRegsDeadExcept(). + MIB.addRegMask(TRI.getCallPreservedMask(CC)); + // Finish off the call including any return values. SmallVector<unsigned, 4> UsedRegs; if (!FinishCall(RetVT, UsedRegs, I, CC, NumBytes)) return false; @@ -2283,6 +2287,10 @@ bool ARMFastISel::SelectCall(const Instruction *I, for (unsigned i = 0, e = RegArgs.size(); i != e; ++i) MIB.addReg(RegArgs[i]); + // Add a register mask with the call-preserved registers. + // Proper defs for return values will be added by setPhysRegsDeadExcept(). + MIB.addRegMask(TRI.getCallPreservedMask(CC)); + // Finish off the call including any return values. SmallVector<unsigned, 4> UsedRegs; if (!FinishCall(RetVT, UsedRegs, I, CC, NumBytes)) return false; |