chenglin.bi 9403a8bc37 [GlobalISel][AArch64] Fix miscompile caused by wrong G_ZEXT selection in GISel
The miscompile case's G_ZEXT has a G_FREEZE source.  Similar to D127154, this patch removed isDef32, relying on the AArch64MIPeephole optimizer to remove redundant SUBREG_TO_REG nodes also in GISel.

Fix #58431

Reviewed By: paquette

Differential Revision: https://reviews.llvm.org/D136433
2022-10-26 09:54:13 +08:00
..
2022-08-24 22:41:38 +00:00