1 ; RUN: llc -march=amdgcn < %s | FileCheck %s 2 3 ; Check we can compile this bugpoint-reduced test without an 4 ; infinite loop in TLI.SimplifyDemandedBits() due to failure 5 ; to use return value of TLO.DAG.UpdateNodeOperands() 6 7 ; Check that code was generated; we know there will be 8 ; a s_endpgm, so check for it. 9 10 @0 = external unnamed_addr addrspace(3) global [462 x float], align 4 11 12 ; Function Attrs: nounwind readnone speculatable 13 declare i32 @llvm.amdgcn.workitem.id.y() #0 14 15 ; Function Attrs: nounwind readnone speculatable 16 declare i32 @llvm.amdgcn.workitem.id.x() #0 17 18 ; Function Attrs: nounwind readnone speculatable 19 declare float @llvm.fmuladd.f32(float, float, float) #0 20 21 ; CHECK: s_endpgm 22 define amdgpu_kernel void @foo(float addrspace(1)* noalias nocapture readonly %arg, float addrspace(1)* noalias nocapture readonly %arg1, float addrspace(1)* noalias nocapture %arg2, float %arg3) local_unnamed_addr !reqd_work_group_size !0 { 23 bb: 24 %tmp = tail call i32 @llvm.amdgcn.workitem.id.y() 25 %tmp4 = tail call i32 @llvm.amdgcn.workitem.id.x() 26 %tmp5 = and i32 %tmp, 15 27 %tmp6 = mul nuw nsw i32 %tmp5, 21 28 %tmp7 = sub i32 %tmp6, 0 29 %tmp8 = add i32 %tmp7, 0 30 %tmp9 = add i32 %tmp8, 0 31 %tmp10 = getelementptr inbounds [462 x float], [462 x float] addrspace(3)* @0, i32 0, i32 0 32 br label %bb12 33 34 bb11: ; preds = %bb30 35 br i1 undef, label %bb37, label %bb38 36 37 bb12: ; preds = %bb30, %bb 38 br i1 false, label %.preheader, label %.loopexit145 39 40 .loopexit145: ; preds = %.preheader, %bb12 41 br label %bb13 42 43 bb13: ; preds = %.loopexit, %.loopexit145 44 %tmp14 = phi i32 [ %tmp5, %.loopexit145 ], [ %tmp20, %.loopexit ] 45 %tmp15 = add nsw i32 %tmp14, -3 46 %tmp16 = mul i32 %tmp14, 21 47 br i1 undef, label %bb17, label %.loopexit 48 49 bb17: ; preds = %bb13 50 %tmp18 = mul i32 %tmp15, 224 51 %tmp19 = add i32 undef, %tmp18 52 br label %bb21 53 54 .loopexit: ; preds = %bb21, %bb13 55 %tmp20 = add nuw nsw i32 %tmp14, 16 56 br i1 undef, label %bb13, label %bb26 57 58 bb21: ; preds = %bb21, %bb17 59 %tmp22 = phi i32 [ %tmp4, %bb17 ], [ %tmp25, %bb21 ] 60 %tmp23 = add i32 %tmp22, %tmp16 61 %tmp24 = getelementptr inbounds float, float addrspace(3)* %tmp10, i32 %tmp23 62 store float undef, float addrspace(3)* %tmp24, align 4 63 %tmp25 = add nuw i32 %tmp22, 8 64 br i1 undef, label %bb21, label %.loopexit 65 66 bb26: ; preds = %.loopexit 67 br label %bb31 68 69 .preheader: ; preds = %.preheader, %bb12 70 %tmp27 = phi i32 [ %tmp28, %.preheader ], [ undef, %bb12 ] 71 %tmp28 = add nuw i32 %tmp27, 128 72 %tmp29 = icmp ult i32 %tmp28, 1568 73 br i1 %tmp29, label %.preheader, label %.loopexit145 74 75 bb30: ; preds = %bb31 76 br i1 undef, label %bb11, label %bb12 77 78 bb31: ; preds = %bb31, %bb26 79 %tmp32 = phi i32 [ %tmp9, %bb26 ], [ undef, %bb31 ] 80 %tmp33 = getelementptr inbounds [462 x float], [462 x float] addrspace(3)* @0, i32 0, i32 %tmp32 81 %tmp34 = load float, float addrspace(3)* %tmp33, align 4 82 %tmp35 = tail call float @llvm.fmuladd.f32(float %tmp34, float undef, float undef) 83 %tmp36 = tail call float @llvm.fmuladd.f32(float undef, float undef, float %tmp35) 84 br i1 undef, label %bb30, label %bb31 85 86 bb37: ; preds = %bb11 87 br label %bb38 88 89 bb38: ; preds = %bb37, %bb11 90 ret void 91 } 92 93 attributes #0 = { nounwind readnone speculatable } 94 95 !0 = !{i32 8, i32 16, i32 1} 96
