[llvm] [AMDGPU] Fixed verifier crash because of multiple live range components. (PR #190719)

[Dhruva Chakrabarti via llvm-commits]

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@@ -0,0 +1,146 @@
+; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx90a -O3 \
+; RUN:   -amdgpu-use-amdgpu-trackers=1 --lsr-drop-solution=1 \
+; RUN:   -enable-post-misched=0 -verify-machineinstrs -o - %s 2>&1 | FileCheck %s
+; CHECK-NOT: Bad machine code: Multiple connected components in live interval
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dhruvachak wrote:

> The output is the result of the pass or compile, not stderr

But I am using the debug output with FileCheck on it. That's why.

https://github.com/llvm/llvm-project/pull/190719