[PATCH] D135847: [PowerPC] don't check CTR clobber in hardware loop insertion pass

ChenZheng via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sun Nov 6 20:24:40 PST 2022


shchenz marked an inline comment as done.
shchenz added inline comments.


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Comment at: llvm/test/CodeGen/PowerPC/ctrloop-fp128.ll:1
-; RUN: llc < %s -verify-machineinstrs -mcpu=pwr9 -mtriple=powerpc64le-unknown-unknown | FileCheck %s
-; RUN: llc < %s -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-unknown | FileCheck %s
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lkail wrote:
> Could you please re-generate this test case with complete assembly output, so that we can see why CTR loop is viable on POWER9 now?
Power9 will not call library function while Power8 will call library function. I will use script to regenerate this file.


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