[all-commits] [llvm/llvm-project] 4d0662: recalculate the live interval of the defined regi...
zhijian lin via All-commits
all-commits at lists.llvm.org
Tue Dec 10 08:21:37 PST 2024
Branch: refs/heads/main
Home: https://github.com/llvm/llvm-project
Commit: 4d06623b28ab373cd5438fda6c79cf62fc53ace0
https://github.com/llvm/llvm-project/commit/4d06623b28ab373cd5438fda6c79cf62fc53ace0
Author: zhijian lin <zhijian at ca.ibm.com>
Date: 2024-12-10 (Tue, 10 Dec 2024)
Changed paths:
M llvm/lib/Target/PowerPC/PPCVSXFMAMutate.cpp
A llvm/test/CodeGen/PowerPC/pr116071.ll
Log Message:
-----------
recalculate the live interval of the defined register of xvmaddmdp in the VSX FMA mutation pass. (#116071)
The patch fix https://github.com/llvm/llvm-project/issues/116061
The root cause of the assertion is that the FMA mutation pass does not
update the subranges of the live interval for the defined register of
the modified instruction .
it recalculate the live interval of the defined register of xvmaddmdp in
the VSX FMA mutation pass.
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