[PATCH] D65542: [PeepholeOptimizer] Don't assume bitcast def always has input

Quentin Colombet via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Aug 16 10:49:37 PDT 2019


qcolombet added inline comments.


================
Comment at: llvm/test/CodeGen/PowerPC/bitcast-peephole.mir:2
+# RUN: llc -mtriple=powerpc64le-linux-gnu -run-pass=peephole-opt -verify-machineinstrs -o - %s | FileCheck %s
+# REQUIRES: asserts
+
----------------
qcolombet wrote:
> Instead of requiring assertion, I would just explicitly check that the number of operands is correct.
> You can use `update_mir_test_check.py` to generate the check lines for this.
Scratch my last comment on the number of operands!
Still would generating the CHECK lines with the update script would have caught the bug without having to rely on asserts?


Repository:
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CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D65542/new/

https://reviews.llvm.org/D65542





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