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AMDGPU/GlobalISel: Mark 32-bit integer constants as legal
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Authored by tstellar on May 11 2017, 8:59 PM.

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LGTM

This revision is now accepted and ready to land.May 11 2017, 10:31 PM

This revision was automatically updated to reflect the committed changes.

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llvm/

trunk/

lib/

Target/

AMDGPU/

1 line

test/

CodeGen/

AMDGPU/

GlobalISel/

20 lines

	Show All 27 Lines
	AMDGPULegalizerInfo::AMDGPULegalizerInfo() {			AMDGPULegalizerInfo::AMDGPULegalizerInfo() {
	using namespace TargetOpcode;			using namespace TargetOpcode;

	const LLT S32 = LLT::scalar(32);			const LLT S32 = LLT::scalar(32);
	const LLT S64 = LLT::scalar(64);			const LLT S64 = LLT::scalar(64);
	const LLT P1 = LLT::pointer(1, 64);			const LLT P1 = LLT::pointer(1, 64);
	const LLT P2 = LLT::pointer(2, 64);			const LLT P2 = LLT::pointer(2, 64);

				setAction({G_CONSTANT, S32}, Legal);
	setAction({G_CONSTANT, S64}, Legal);			setAction({G_CONSTANT, S64}, Legal);

	setAction({G_GEP, P1}, Legal);			setAction({G_GEP, P1}, Legal);
	setAction({G_GEP, P2}, Legal);			setAction({G_GEP, P2}, Legal);
	setAction({G_GEP, 1, S64}, Legal);			setAction({G_GEP, 1, S64}, Legal);

	setAction({G_LOAD, P1}, Legal);			setAction({G_LOAD, P1}, Legal);
	setAction({G_LOAD, P2}, Legal);			setAction({G_LOAD, P2}, Legal);
	Show All 19 Lines

				# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -O0 -run-pass=legalizer -global-isel %s -o - \| FileCheck %s

				--- \|
				define void @test_constant() {
				entry:
				ret void
				}
				...

				---
				name: test_constant
				registers:
				- { id: 0, class: _ }
				body: \|
				bb.0.entry:
				; CHECK-LABEL: name: test_constant
				; CHECK: %0(s32) = G_CONSTANT i32 5

				%0(s32) = G_CONSTANT i32 5
				...