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Revert "[AMDGPU] Run `unreachable-mbb-elimination` after isel to clean up PHIs."
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Authored by foad on Oct 10 2019, 2:22 AM.

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Summary

This has been superseded by "[AMDGPU]: PHI Elimination hooks added for custom COPY insertion."

This reverts the code changes from commit 53f967f2bdb6aa7b08596880c3689d1ecad6f0ff
but keeps the test case.

LGTM

This revision is now accepted and ready to land.Oct 10 2019, 6:29 AM

This revision was automatically updated to reflect the committed changes.

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lib/

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AMDGPU/

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	}			}

	bool GCNPassConfig::addInstSelector() {			bool GCNPassConfig::addInstSelector() {
	AMDGPUPassConfig::addInstSelector();			AMDGPUPassConfig::addInstSelector();
	addPass(&SIFixSGPRCopiesID);			addPass(&SIFixSGPRCopiesID);
	addPass(createSILowerI1CopiesPass());			addPass(createSILowerI1CopiesPass());
	addPass(createSIFixupVectorISelPass());			addPass(createSIFixupVectorISelPass());
	addPass(createSIAddIMGInitPass());			addPass(createSIAddIMGInitPass());
	// FIXME: Remove this once the phi on CF_END is cleaned up by either removing
	// LCSSA or other ways.
	addPass(&UnreachableMachineBlockElimID);
	return false;			return false;
	}			}

	bool GCNPassConfig::addIRTranslator() {			bool GCNPassConfig::addIRTranslator() {
	addPass(new IRTranslator());			addPass(new IRTranslator());
	return false;			return false;
	}			}

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