[PATCH] D72454: [AIX] Enable frame pointer for AIX and add related test suite

Xiangling Liao via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Feb 5 07:48:14 PST 2020


Xiangling_L added inline comments.


================
Comment at: llvm/test/CodeGen/PowerPC/Frames-dyn-alloca.ll:79
+; PPC32-AIX-NEXT: stwux 4, 1, 3
+; PPC32-AIX-NEXT: addi 3, 1, 32
+; PPC32-AIX-NEXT: lwz 1, 0(1)
----------------
cebowleratibm wrote:
> Why are we adding 32 to the r3 return reg?
32 is the linkage 16-byte aligned  linkage area size since the linkage area is always at the top of the stack even after we `alloca` some space during runtime.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D72454/new/

https://reviews.llvm.org/D72454





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