| Mark Searles | 4e3d616 | 2017-10-16 23:38:53 +0000 | [diff] [blame] | 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} |