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

Thu Jan 23 05:26:33 PST 2020

cebowleratibm added inline comments.

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Comment at: llvm/test/CodeGen/PowerPC/Frames-alloca.ll:3
+; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu | FileCheck %s -check-prefix=PPC64-LINUX
+; RUN: llc < %s -mtriple=powerpc-unknown-linux-gnu -frame-pointer=all | FileCheck %s -check-prefix=PPC32-LINUX
+; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -frame-pointer=all | FileCheck %s -check-prefix=PPC64-LINUX
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Xiangling_L wrote:
> cebowleratibm wrote:
> > Why did you drop the -NOFP from the prefix?  Is the output expected to be the same between default and -frame-pointer=all?
> 1. Because `-frame-pointer=all` means `disable frame pointer optimization elimination`.  I kinda feel `NOFP` here is misleading. And also it's not consistent with other LINUX frame pointer tests naming convention.
> 
> 2. And yes, the output is expected to be same.
I'm confused.  Because the llc default is opt enabled, I would expect frame pointer elimination to be enabled.

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  https://reviews.llvm.org/D72454/new/

https://reviews.llvm.org/D72454