6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-02-15 09:33:39 +00:00
Code Issues Projects Releases Wiki Activity

x86: getCalleeSavedRegs() would crash on 0 (so don't default to it)

Browse Source 
The current logic assumes that MF is not 0.  Assert that it isn't, and
remove the default of 0 from the header.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203934 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith 2014-03-14 15:38:12 +00:00
parent 80f27b0bc8
commit 4baea39ecf
2 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
lib/Target/X86/X86RegisterInfo.cpp
View File

@ -237,6 +237,7 @@ X86RegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
bool HasAVX = TM.getSubtarget<X86Subtarget>().hasAVX();
bool HasAVX512 = TM.getSubtarget<X86Subtarget>().hasAVX512();
assert(MF && "MachineFunction required");
switch (MF->getFunction()->getCallingConv()) {
case CallingConv::GHC:
case CallingConv::HiPE:

2
lib/Target/X86/X86RegisterInfo.h
View File

@ -101,7 +101,7 @@ public:
/// getCalleeSavedRegs - Return a null-terminated list of all of the
/// callee-save registers on this target.
const uint16_t *
getCalleeSavedRegs(const MachineFunction* MF = 0) const override;
getCalleeSavedRegs(const MachineFunction* MF) const override;
const uint32_t *getCallPreservedMask(CallingConv::ID) const override;
const uint32_t *getNoPreservedMask() const;