[all-commits] [llvm/llvm-project] 7c2192: Add the use of register r for outlined function wh...
jinlin-bayarea via All-commits
all-commits at lists.llvm.org
Wed Mar 3 15:14:31 PST 2021
Branch: refs/heads/main
Home: https://github.com/llvm/llvm-project
Commit: 7c2192b277e6050f30a1582efe5217b1ee904b1b
https://github.com/llvm/llvm-project/commit/7c2192b277e6050f30a1582efe5217b1ee904b1b
Author: Jin Lin <jinl at uber.com>
Date: 2021-03-03 (Wed, 03 Mar 2021)
Changed paths:
M llvm/lib/CodeGen/MachineOutliner.cpp
A llvm/test/CodeGen/AArch64/machine-outliner-side-effect-2.mir
Log Message:
-----------
Add the use of register r for outlined function when register r is live in and defined later.
The compiler needs to mark register $x0 as live in for the following case.
$x1 = ADDXri $sp, 16, 0
BL @spam, csr_darwin_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit killed $x1, implicit-def $sp, implicit-def dead $x0
Reviewed By: paquette
Differential Revision: https://reviews.llvm.org/D95267
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