8cc6c2e80f
andorbitset.ll is interesting since it directly depends on the difference between poison and undef. Not sure it's useful to keep the version using poison, I assume none of this code makes it to codegen. si-spill-cf.ll was also a nasty case, which I doubt has been reproducing its original issue for a very long time. I had to reclaim an older version, replace some of the poison uses, and run simplify-cfg. There's a very slight change in the final CFG with this, but final the output is approximately the same as it used to be.
35 lines
2.3 KiB
LLVM
35 lines
2.3 KiB
LLVM
; RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1010 -stop-after finalize-isel -o %t.mir %s
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; RUN: llc -run-pass=none -verify-machineinstrs %t.mir -o - | FileCheck %s
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; Test that custom pseudo source values can be round trip serialized through MIR.
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; CHECK-LABEL: {{^}}name: shader
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; CHECK: %[[#]]:vgpr_32 = BUFFER_LOAD_DWORD_OFFSET killed %[[#]], %[[#]], 4, 0, 0, implicit $exec :: (dereferenceable load (s32) from %ir.arg3, align 1, addrspace 8)
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; CHECK: IMAGE_STORE_V4_V3_nsa_gfx10 killed %[[#]], %[[#]], %[[#]], %[[#]], killed %[[#]], 15, 2, -1, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable store (s128), addrspace 8)
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; CHECK: DS_GWS_BARRIER %[[#]], 63, implicit $m0, implicit $exec :: (load (s32) from custom "GWSResource")
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define amdgpu_cs void @shader(i32 %arg0, i32 %arg1, <8 x i32> inreg %arg2, ptr addrspace(8) inreg %arg3) {
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%bload0 = call i32 @llvm.amdgcn.raw.ptr.buffer.load.i32(ptr addrspace(8) %arg3, i32 4, i32 0, i32 0)
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%bload1 = call i32 @llvm.amdgcn.raw.ptr.buffer.load.i32(ptr addrspace(8) %arg3, i32 8, i32 0, i32 0)
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%bload2 = call i32 @llvm.amdgcn.raw.ptr.buffer.load.i32(ptr addrspace(8) %arg3, i32 12, i32 0, i32 0)
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%bload3 = call i32 @llvm.amdgcn.raw.ptr.buffer.load.i32(ptr addrspace(8) %arg3, i32 16, i32 0, i32 0)
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%bload0.f = bitcast i32 %bload0 to float
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%bload1.f = bitcast i32 %bload1 to float
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%bload2.f = bitcast i32 %bload2 to float
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%bload3.f = bitcast i32 %bload3 to float
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%istore0 = insertelement <4 x float> poison, float %bload0.f, i32 0
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%istore1 = insertelement <4 x float> %istore0, float %bload0.f, i32 1
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%istore2 = insertelement <4 x float> %istore1, float %bload0.f, i32 2
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%istore3 = insertelement <4 x float> %istore2, float %bload0.f, i32 3
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call void @llvm.amdgcn.image.store.3d.v4f32.i32(<4 x float> %istore3, i32 15, i32 %arg0, i32 %arg1, i32 0, <8 x i32> %arg2, i32 0, i32 0)
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call void @llvm.amdgcn.ds.gws.barrier(i32 %bload0, i32 63)
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ret void
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}
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declare void @llvm.amdgcn.image.store.3d.v4f32.i32(<4 x float>, i32 immarg, i32, i32, i32, <8 x i32>, i32 immarg, i32 immarg) #0
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declare i32 @llvm.amdgcn.raw.ptr.buffer.load.i32(ptr addrspace(8), i32, i32, i32 immarg) #1
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declare void @llvm.amdgcn.ds.gws.barrier(i32, i32) #2
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attributes #0 = { nounwind willreturn writeonly }
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attributes #1 = { nounwind memory(argmem: read) willreturn }
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attributes #2 = { convergent inaccessiblememonly nounwind }
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