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Author SHA1 Message Date
Kang Zhang d37befdfe5 [PowerPC] Remove the redundant implicit operands in ppc-early-ret pass 
Summary:
In the `ppc-early-ret` pass, we have use `BuildMI` and `copyImplicitOps` when the branch instructions can do the early return. But the two functions will add implicit operands twice, this is not correct.

This patch is to remove the redundant implicit operands in `ppc-early-ret pass`.

Reviewed By: jsji

Differential Revision: https://reviews.llvm.org/D76042
 2020-07-19 07:01:45 +00:00
Kang Zhang 782a4dd1a4 [PowerPC] Use add instead of addReg in ppc-early-ret pass 
Summary:
The ppc-early-ret pass use the addReg() to add operand to the new
instruction, it can't reserve the flag of old operand. This has caused
machine verfications failed.
This patch use add() to instead of addReg().

Reviewed By: steven.zhang

Differential Revision: https://reviews.llvm.org/D77997
 2020-05-13 05:59:52 +00:00
Kang Zhang aa081721d4 [NFC][PowerPC] Add a new test case early-ret-verify.mir 2020-04-13 03:48:35 +00:00