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archived-llvm/test/CodeGen/PowerPC
Hal Finkel 982b9c9736 [PowerPC] Don't spill the frame pointer twice
When a function contains something, such as inline asm, which explicitly
clobbers the register used as the frame pointer, don't spill it twice. If we
need a frame pointer, it will be saved/restored in the prologue/epilogue code.
Explicitly spilling it again will reuse the same spill slot used by the
prologue/epilogue code, thus clobbering the saved value. The same applies
to the base-pointer or PIC-base register.

Partially fixes PR26856. Thanks to Ulrich for his analysis and the small
inline-asm reproducer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@280188 91177308-0d34-0410-b5e6-96231b3b80d8
2016-08-31 00:52:03 +00:00
..
2015-07-28 20:38:29 +00:00
2013-04-05 23:29:01 +00:00
2016-02-29 16:42:27 +00:00