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[PowerPC][Bug] Fix Bug in Stack Frame Update Code

Authored by stefanp on May 11 2021, 3:32 AM.

Description

[PowerPC][Bug] Fix Bug in Stack Frame Update Code

The stack frame update code does not take into consideration spilling
to registers for callee saved registers. The option -ppc-enable-pe-vector-spills
turns on spilling to registers for callee saved registers and may expose a bug
in the code that moves a stack frame pointer update instruction.

Reviewed By: nemanjai, #powerpc

Differential Revision: https://reviews.llvm.org/D101366

Details

Committed
stefanpMay 11 2021, 3:54 AM
Reviewer
Restricted Project
Differential Revision
D101366: [PowerPC][Bug] Fix Bug in Stack Frame Update Code
Parents
rGdf47368d406a: [RegAllocFast] properly handle STATEPOINT instruction.
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