| ; RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -enable-ipra=1 < %s | FileCheck -check-prefix=GCN %s |
| ; RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -enable-ipra=0 < %s | FileCheck -check-prefix=GCN %s |
| |
| ; This test is to make sure the return address registers, if clobbered in the |
| ; function or the function has calls, are save/restored when IPRA is enabled/disabled. |
| |
| ; TODO: An artificial test with high register pressure would be more reliable in the |
| ; long run as branches on constants could be fragile. |
| |
| %struct.ShaderData = type { <3 x float>, <3 x float>, <3 x float>, <3 x float>, i32, i32, i32, i32, i32, float, float, i32, i32, float, float, %struct.differential3, %struct.differential3, %struct.differential, %struct.differential, <3 x float>, <3 x float>, <3 x float>, %struct.differential3, i32, i32, i32, float, <3 x float>, <3 x float>, <3 x float>, [1 x %struct.ShaderClosure] } |
| %struct.differential = type { float, float } |
| %struct.differential3 = type { <3 x float>, <3 x float> } |
| %struct.ShaderClosure = type { <3 x float>, i32, float, <3 x float>, [10 x float], [8 x i8] } |
| %struct.MicrofacetExtra = type { <3 x float>, <3 x float>, <3 x float>, float, [12 x i8] } |
| |
| ; Function Attrs: nofree nosync nounwind readnone speculatable willreturn |
| declare float @llvm.fmuladd.f32(float, float, float) #0 |
| |
| ; Function Attrs: nofree nosync nounwind readnone speculatable willreturn |
| declare <3 x float> @llvm.fmuladd.v3f32(<3 x float>, <3 x float>, <3 x float>) #0 |
| |
| ; Function Attrs: nofree nosync nounwind readnone speculatable willreturn |
| declare <4 x float> @llvm.fmuladd.v4f32(<4 x float>, <4 x float>, <4 x float>) #0 |
| |
| ; Function Attrs: argmemonly nofree nosync nounwind willreturn |
| declare void @llvm.lifetime.end.p5i8(i64 immarg, i8 addrspace(5)* nocapture) #1 |
| |
| ; Function Attrs: norecurse |
| define internal fastcc void @svm_node_closure_bsdf(%struct.ShaderData addrspace(1)* %sd, float* %stack, <4 x i32> %node, i32* %offset, i32 %0, i8 %trunc, float %1, float %2, float %mul80, i1 %cmp412.old, <4 x i32> %3, float %4, i32 %5, i1 %cmp440, i1 %cmp442, i1 %or.cond1306, float %.op, %struct.ShaderClosure addrspace(1)* %arrayidx.i.i2202, %struct.ShaderClosure addrspace(1)* %retval.0.i.i22089, %struct.ShaderClosure addrspace(1)* %retval.1.i221310, i1 %cmp575, i32 addrspace(1)* %num_closure_left.i2215, i32 %6, i1 %cmp.i2216, i32 %7, i64 %idx.ext.i2223, i32 %sub5.i2221) #2 { |
| ; GCN-LABEL: {{^}}svm_node_closure_bsdf: |
| ; GCN-DAG: v_writelane_b32 [[CSR_VGPR:v[0-9]+]], s30, |
| ; GCN-DAG: v_writelane_b32 [[CSR_VGPR]], s31, |
| ; GCN: s_movk_i32 s30, 0x60 |
| ; GCN-NOT: s31 |
| ; GCN-DAG: v_readlane_b32 s31, [[CSR_VGPR]], |
| ; GCN-DAG: v_readlane_b32 s30, [[CSR_VGPR]], |
| ; GCN: s_waitcnt vmcnt(0) |
| ; GCN: s_setpc_b64 s[30:31] |
| entry: |
| %8 = extractelement <4 x i32> %node, i64 0 |
| %cmp.i.not = icmp eq i32 undef, 0 |
| br i1 undef, label %common.ret.critedge, label %cond.true |
| |
| cond.true: ; preds = %entry |
| %9 = load float, float* null, align 4 |
| %phi.cmp = fcmp oeq float %9, 0.000000e+00 |
| br i1 %phi.cmp, label %common.ret, label %cond.true20 |
| |
| cond.true20: ; preds = %cond.true |
| %v = zext i8 %trunc to i32 |
| br label %NodeBlock |
| |
| NodeBlock: ; preds = %cond.true20 |
| %Pivot = icmp slt i32 %v, 44 |
| br i1 %Pivot, label %LeafBlock, label %LeafBlock1 |
| |
| LeafBlock1: ; preds = %NodeBlock |
| %SwitchLeaf2 = icmp eq i32 %v, 44 |
| br i1 %SwitchLeaf2, label %sw.bb, label %NewDefault |
| |
| LeafBlock: ; preds = %NodeBlock |
| %SwitchLeaf = icmp eq i32 %v, 0 |
| br i1 %SwitchLeaf, label %if.end.i.i2285, label %NewDefault |
| |
| sw.bb: ; preds = %cond.true20 |
| %10 = load float, float* null, align 4 |
| %11 = load float, float* null, align 4 |
| %12 = tail call float @llvm.amdgcn.fmed3.f32(float %1, float 0.000000e+00, float 0.000000e+00) |
| %mul802 = fmul nsz float %1, 0.000000e+00 |
| %cmp412.old3 = fcmp nsz ogt float %1, 0.000000e+00 |
| br i1 %cmp412.old, label %if.then413, label %common.ret |
| |
| if.then413: ; preds = %sw.bb |
| %13 = load <4 x i32>, <4 x i32> addrspace(1)* null, align 16 |
| %14 = extractelement <4 x i32> %node, i64 0 |
| %cmp4404 = fcmp nsz ole float %1, 0.000000e+00 |
| %cmp4425 = icmp eq i32 %0, 0 |
| %or.cond13066 = select i1 %cmp412.old, i1 false, i1 %cmp412.old |
| br i1 %or.cond1306, label %if.then443, label %if.else568 |
| |
| if.then443: ; preds = %if.then413 |
| br i1 true, label %if.end511, label %common.ret |
| |
| common.ret.critedge: ; preds = %entry |
| store i32 0, i32* null, align 4 |
| br label %common.ret |
| |
| NewDefault: ; preds = %LeafBlock1, %LeafBlock |
| %phi.store = phi i32 [0, %LeafBlock], [1, %LeafBlock1] |
| store i32 %phi.store, i32* null, align 4 |
| br label %common.ret |
| |
| common.ret: ; preds = %if.end.i.i2285, %if.end627.sink.split, %cond.end579, %bsdf_alloc.exit2188, %if.end511, %common.ret.critedge, %if.then443, %sw.bb, %NewDefault, %cond.true |
| ret void |
| |
| if.end511: ; preds = %if.then443 |
| br i1 false, label %common.ret, label %if.then519 |
| |
| if.then519: ; preds = %if.end511 |
| br i1 false, label %bsdf_alloc.exit2188, label %if.then.i2172 |
| |
| if.then.i2172: ; preds = %if.then519 |
| br i1 false, label %closure_alloc.exit.i2184, label %if.end.i.i2181 |
| |
| if.end.i.i2181: ; preds = %if.then.i2172 |
| br label %closure_alloc.exit.i2184 |
| |
| closure_alloc.exit.i2184: ; preds = %if.end.i.i2181, %if.then.i2172 |
| br i1 false, label %bsdf_alloc.exit2188, label %if.end.i2186 |
| |
| if.end.i2186: ; preds = %closure_alloc.exit.i2184 |
| br label %bsdf_alloc.exit2188 |
| |
| bsdf_alloc.exit2188: ; preds = %if.end.i2186, %closure_alloc.exit.i2184, %if.then519 |
| br i1 false, label %common.ret, label %if.then534 |
| |
| if.then534: ; preds = %bsdf_alloc.exit2188 |
| %.op7 = fmul nsz float undef, 0.000000e+00 |
| %mul558 = select i1 %cmp440, float 0.000000e+00, float %1 |
| %15 = tail call float @llvm.amdgcn.fmed3.f32(float 0.000000e+00, float 0.000000e+00, float 0.000000e+00) |
| store float %mul558, float addrspace(1)* null, align 4 |
| br label %if.end627.sink.split |
| |
| if.else568: ; preds = %if.then413 |
| br i1 undef, label %bsdf_alloc.exit2214, label %if.then.i2198 |
| |
| if.then.i2198: ; preds = %if.else568 |
| br i1 undef, label %closure_alloc.exit.i2210, label %if.end.i.i2207 |
| |
| if.end.i.i2207: ; preds = %if.then.i2198 |
| %arrayidx.i.i22028 = getelementptr inbounds %struct.ShaderData, %struct.ShaderData addrspace(1)* %sd, i64 0, i32 30, i64 undef |
| br label %closure_alloc.exit.i2210 |
| |
| closure_alloc.exit.i2210: ; preds = %if.end.i.i2207, %if.then.i2198 |
| %retval.0.i.i220899 = phi %struct.ShaderClosure addrspace(1)* [ %arrayidx.i.i2202, %if.end.i.i2207 ], [ null, %if.then.i2198 ] |
| br i1 false, label %bsdf_alloc.exit2214, label %if.end.i2212 |
| |
| if.end.i2212: ; preds = %closure_alloc.exit.i2210 |
| br label %bsdf_alloc.exit2214 |
| |
| bsdf_alloc.exit2214: ; preds = %if.end.i2212, %closure_alloc.exit.i2210, %if.else568 |
| %retval.1.i22131010 = phi %struct.ShaderClosure addrspace(1)* [ %arrayidx.i.i2202, %if.end.i2212 ], [ null, %closure_alloc.exit.i2210 ], [ null, %if.else568 ] |
| %cmp57511 = icmp ne %struct.ShaderClosure addrspace(1)* %arrayidx.i.i2202, null |
| br i1 %cmp442, label %cond.true576, label %cond.end579 |
| |
| cond.true576: ; preds = %bsdf_alloc.exit2214 |
| %num_closure_left.i221512 = getelementptr inbounds %struct.ShaderData, %struct.ShaderData addrspace(1)* %sd, i64 0, i32 25 |
| %16 = load i32, i32 addrspace(1)* %num_closure_left.i2215, align 8 |
| %cmp.i221613 = icmp slt i32 %0, 0 |
| br i1 %cmp440, label %cond.end579, label %if.end.i2227 |
| |
| if.end.i2227: ; preds = %cond.true576 |
| %sub5.i222114 = add nuw nsw i32 %0, 0 |
| %17 = load i32, i32 addrspace(1)* null, align 4294967296 |
| %idx.ext.i222315 = sext i32 %0 to i64 |
| %add.ptr.i2224 = getelementptr inbounds %struct.ShaderData, %struct.ShaderData addrspace(1)* %sd, i64 0, i32 30, i64 %idx.ext.i2223 |
| %idx.ext8.i22252724 = zext i32 %0 to i64 |
| %add.ptr9.i2226 = getelementptr inbounds %struct.ShaderClosure, %struct.ShaderClosure addrspace(1)* %add.ptr.i2224, i64 %idx.ext8.i22252724 |
| %phi.cast2731 = bitcast %struct.ShaderClosure addrspace(1)* %add.ptr9.i2226 to %struct.MicrofacetExtra addrspace(1)* |
| br label %cond.end579 |
| |
| cond.end579: ; preds = %if.end.i2227, %cond.true576, %bsdf_alloc.exit2214 |
| %cond580 = phi %struct.MicrofacetExtra addrspace(1)* [ null, %bsdf_alloc.exit2214 ], [ %phi.cast2731, %if.end.i2227 ], [ null, %cond.true576 ] |
| %tobool583 = icmp ne %struct.MicrofacetExtra addrspace(1)* %cond580, null |
| %or.cond1308 = select i1 %cmp442, i1 %tobool583, i1 false |
| br i1 %or.cond1308, label %if.then584, label %common.ret |
| |
| if.then584: ; preds = %cond.end579 |
| store %struct.MicrofacetExtra addrspace(1)* null, %struct.MicrofacetExtra addrspace(1)* addrspace(1)* null, align 4294967296 |
| br label %if.end627.sink.split |
| |
| if.end627.sink.split: ; preds = %if.then584, %if.then534 |
| store i32 0, i32 addrspace(1)* null, align 4 |
| br label %common.ret |
| |
| if.end.i.i2285: ; preds = %cond.true20 |
| store i32 0, i32 addrspace(1)* null, align 4294967296 |
| br label %common.ret |
| } |
| |
| define internal fastcc void @svm_eval_nodes(%struct.ShaderData addrspace(1)* %sd) { |
| sw.bb10: |
| ; GCN-LABEL: {{^}}svm_eval_nodes: |
| ; GCN-DAG: v_writelane_b32 [[CSR_VGPR:v[0-9]+]], s30, |
| ; GCN-DAG: v_writelane_b32 [[CSR_VGPR]], s31, |
| ; GCN: s_swappc_b64 s[30:31] |
| ; GCN-DAG: v_readlane_b32 s31, [[CSR_VGPR]], |
| ; GCN-DAG: v_readlane_b32 s30, [[CSR_VGPR]], |
| ; GCN: s_waitcnt vmcnt(0) |
| ; GCN: s_setpc_b64 s[30:31] |
| call fastcc void @svm_node_closure_bsdf(%struct.ShaderData addrspace(1)* null, float* null, <4 x i32> zeroinitializer, i32* null, i32 undef, i8 undef, float undef, float undef, float undef, i1 undef, <4 x i32> undef, float undef, i32 undef, i1 undef, i1 undef, i1 undef, float undef, %struct.ShaderClosure addrspace(1)* undef, %struct.ShaderClosure addrspace(1)* undef, %struct.ShaderClosure addrspace(1)* undef, i1 undef, i32 addrspace(1)* undef, i32 undef, i1 undef, i32 undef, i64 undef, i32 undef) |
| ret void |
| } |
| |
| define amdgpu_kernel void @kernel_ocl_path_trace_shadow_blocked_dl() { |
| kernel_set_buffer_pointers.exit: |
| ; GCN-LABEL: {{^}}kernel_ocl_path_trace_shadow_blocked_dl: |
| ; GCN: s_swappc_b64 s[30:31] |
| ; GCN: endpgm |
| tail call fastcc void @svm_eval_nodes(%struct.ShaderData addrspace(1)* null) |
| ret void |
| } |
| |
| ; Function Attrs: nofree nosync nounwind readnone speculatable willreturn |
| declare float @llvm.fabs.f32(float) #0 |
| |
| ; Function Attrs: nofree nosync nounwind readnone speculatable willreturn |
| declare float @llvm.maxnum.f32(float, float) #0 |
| |
| ; Function Attrs: nounwind readnone speculatable willreturn |
| declare float @llvm.amdgcn.fmed3.f32(float, float, float) #3 |
| |
| attributes #0 = { nofree nosync nounwind readnone speculatable willreturn } |
| attributes #1 = { argmemonly nofree nosync nounwind willreturn } |
| attributes #2 = { norecurse } |
| attributes #3 = { nounwind readnone speculatable willreturn } |
