llvm-project

bfd9bc27 - [AMDGPU] SIPeepholeSDWA: Disable on existing SDWA instructions (#124131)

[AMDGPU] SIPeepholeSDWA: Disable on existing SDWA instructions (#124131) This PR reapplies the changes from PR #123942 which had to be reverted because of a test failure. The test has been adjusted.