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Stack clash: update live-ins 

This fixes http://lab.llvm.org:8011/builders/llvm-clang-x86_64-expensive-checks-debian/builds/7150
This commit is contained in:
serge-sans-paille 2020-05-25 15:56:48 +02:00
parent 5d6c5b463c
commit 356bf5ea5d
1 changed files with 4 additions and 1 deletions
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5
llvm/lib/Target/X86/X86FrameLowering.cpp
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@ -705,7 +705,6 @@ void X86FrameLowering::emitStackProbeInlineGenericLoop(
.setMIFlag(MachineInstr::FrameSetup); .setMIFlag(MachineInstr::FrameSetup);
testMBB->addSuccessor(testMBB); testMBB->addSuccessor(testMBB);
testMBB->addSuccessor(tailMBB); testMBB->addSuccessor(tailMBB);
testMBB->addLiveIn(FinalStackPtr);
// BB management // BB management
tailMBB->splice(tailMBB->end(), &MBB, MBBI, MBB.end()); tailMBB->splice(tailMBB->end(), &MBB, MBBI, MBB.end());
@ -719,6 +718,10 @@ void X86FrameLowering::emitStackProbeInlineGenericLoop(
.addReg(FinalStackPtr) .addReg(FinalStackPtr)
.setMIFlag(MachineInstr::FrameSetup); .setMIFlag(MachineInstr::FrameSetup);
} }
// Update Live In information
recomputeLiveIns(*testMBB);
recomputeLiveIns(*tailMBB);
} }
void X86FrameLowering::emitStackProbeInlineWindowsCoreCLR64( void X86FrameLowering::emitStackProbeInlineWindowsCoreCLR64(