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Riscv branch peephole opt #90451

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Riscv branch peephole opt #90451

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Commits on Apr 29, 2024

  1. [RISC-V][NFC] Add branch peephole optimization tests

    @zengdage
    zengdage committed Apr 29, 2024
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Commits on Jun 4, 2024

  1. [RISC-V] Add RISC-V machine instruction peephole pass 

    After block-placement and machine-cp, the following situations
may require optimization.

```
bne a0, a0, %bb.2  ->  remove it
blt a0, a0, %bb.2  ->  remove it
bltu a0, a0, %bb.2 ->  remove it

beq a0, a0, %bb.2  ->  br, %bb.2
bge a0, a0, %bb.2  ->  br, %bb.2
bgeu a0, a0, %bb.2 ->  br, %bb.2

```
    @zengdage
    zengdage committed Jun 4, 2024
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    0c58437 View commit details
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