forked from OSchip/llvm-project
22 lines
1.3 KiB
LLVM
22 lines
1.3 KiB
LLVM
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx908 -stop-after=greedy,1 -verify-machineinstrs -o - %s | FileCheck -check-prefix=GCN %s
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; Convert AV spills into VGPR spills by introducing appropriate copies in between.
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define amdgpu_kernel void @test_spill_av_class(<4 x i32> %arg) #0 {
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; GCN-LABEL: name: test_spill_av_class
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; GCN: INLINEASM &"; def $0", 1 /* sideeffect attdialect */, 1835018 /* regdef:VGPR_32 */, def undef %21.sub0
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; GCN-NEXT: undef [[AV_REG:%[0-9]+]].sub0:av_64 = COPY %{{[0-9]+}}.sub0
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; GCN-NEXT: SI_SPILL_AV64_SAVE [[AV_REG]], %stack.0, $sgpr32, 0, implicit $exec
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; GCN: [[SI_SPILL_AV64_RESTORE:%[0-9]+]]:av_64 = SI_SPILL_AV64_RESTORE %stack.0, $sgpr32, 0, implicit $exec
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; GCN-NEXT: undef %22.sub0:vreg_64 = COPY [[SI_SPILL_AV64_RESTORE]].sub0
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%v0 = call i32 asm sideeffect "; def $0", "=v"()
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%tmp = insertelement <2 x i32> undef, i32 %v0, i32 0
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%mai = tail call <4 x i32> @llvm.amdgcn.mfma.i32.4x4x4i8(i32 1, i32 2, <4 x i32> %arg, i32 0, i32 0, i32 0)
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store volatile <4 x i32> %mai, <4 x i32> addrspace(1)* undef
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call void asm sideeffect "; use $0", "v"(<2 x i32> %tmp);
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ret void
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}
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declare <4 x i32> @llvm.amdgcn.mfma.i32.4x4x4i8(i32, i32, <4 x i32>, i32, i32, i32)
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attributes #0 = { nounwind "amdgpu-num-vgpr"="5" }
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