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Assertion failure in register coalescer with AMDGPU backend #27365

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tstellar opened this issue Mar 19, 2016 · 2 comments
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Assertion failure in register coalescer with AMDGPU backend #27365

tstellar opened this issue Mar 19, 2016 · 2 comments
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@MatzeB
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bugzilla Issues migrated from bugzilla llvm:regalloc

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@tstellar
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Bugzilla Link 26991
Resolution FIXED
Resolved on Mar 24, 2016 16:42
Version trunk
OS Linux
Attachments Failing test case
CC @MatzeB,@qcolombet

Extended Description

I'm seeing an assertion failure with the attached testcase:

llc: ../include/llvm/CodeGen/SlotIndexes.h:124: llvm::IndexListEntry* llvm::SlotIndex::listEntry() const: Assertion `isValid() && "Attempt to compare reserved index."' failed.

To reproduce:

llc -mtriple=amdgcn--amdhsa -mcpu=fiji amdgpu-coalescer-assert.ll -o - -verify-machineinstrs
@tstellar
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assigned to @MatzeB

@MatzeB
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MatzeB commented Mar 24, 2016

Fixed in r264345

@llvmbot llvmbot transferred this issue from llvm/llvm-bugzilla-archive Dec 10, 2021
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@MatzeB @tstellar