[llvm] [AMDGPU] Preserve call info when lowering SI_CALL_ISEL (PR #192200)

[Shilei Tian via llvm-commits]

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+; RUN: llc -emit-call-site-info -stop-after=dead-mi-elimination -mtriple=amdgcn-- -mcpu=gfx900 -o - %s | FileCheck %s
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shiltian wrote:

conventionally, we want to put triple + mcpu first, then the other options. also, I'd prefer to use full triple, aka `-mtriple=amdgcn-amd-amdhsa` if possible.

https://github.com/llvm/llvm-project/pull/192200