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96 lines
3.7 KiB
LLVM
96 lines
3.7 KiB
LLVM
; RUN: llc -march=amdgcn < %s | FileCheck %s
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; Check we can compile this bugpoint-reduced test without an
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; infinite loop in TLI.SimplifyDemandedBits() due to failure
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; to use return value of TLO.DAG.UpdateNodeOperands()
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; Check that code was generated; we know there will be
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; a s_endpgm, so check for it.
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@0 = external unnamed_addr addrspace(3) global [462 x float], align 4
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; Function Attrs: nounwind readnone speculatable
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declare i32 @llvm.amdgcn.workitem.id.y() #0
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; Function Attrs: nounwind readnone speculatable
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declare i32 @llvm.amdgcn.workitem.id.x() #0
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; Function Attrs: nounwind readnone speculatable
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declare float @llvm.fmuladd.f32(float, float, float) #0
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; CHECK: s_endpgm
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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 {
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bb:
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%tmp = tail call i32 @llvm.amdgcn.workitem.id.y()
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%tmp4 = tail call i32 @llvm.amdgcn.workitem.id.x()
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%tmp5 = and i32 %tmp, 15
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%tmp6 = mul nuw nsw i32 %tmp5, 21
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%tmp7 = sub i32 %tmp6, 0
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%tmp8 = add i32 %tmp7, 0
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%tmp9 = add i32 %tmp8, 0
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%tmp10 = getelementptr inbounds [462 x float], [462 x float] addrspace(3)* @0, i32 0, i32 0
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br label %bb12
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bb11: ; preds = %bb30
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br i1 undef, label %bb37, label %bb38
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bb12: ; preds = %bb30, %bb
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br i1 false, label %.preheader, label %.loopexit145
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.loopexit145: ; preds = %.preheader, %bb12
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br label %bb13
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bb13: ; preds = %.loopexit, %.loopexit145
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%tmp14 = phi i32 [ %tmp5, %.loopexit145 ], [ %tmp20, %.loopexit ]
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%tmp15 = add nsw i32 %tmp14, -3
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%tmp16 = mul i32 %tmp14, 21
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br i1 undef, label %bb17, label %.loopexit
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bb17: ; preds = %bb13
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%tmp18 = mul i32 %tmp15, 224
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%tmp19 = add i32 undef, %tmp18
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br label %bb21
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.loopexit: ; preds = %bb21, %bb13
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%tmp20 = add nuw nsw i32 %tmp14, 16
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br i1 undef, label %bb13, label %bb26
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bb21: ; preds = %bb21, %bb17
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%tmp22 = phi i32 [ %tmp4, %bb17 ], [ %tmp25, %bb21 ]
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%tmp23 = add i32 %tmp22, %tmp16
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%tmp24 = getelementptr inbounds float, float addrspace(3)* %tmp10, i32 %tmp23
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store float undef, float addrspace(3)* %tmp24, align 4
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%tmp25 = add nuw i32 %tmp22, 8
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br i1 undef, label %bb21, label %.loopexit
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bb26: ; preds = %.loopexit
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br label %bb31
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.preheader: ; preds = %.preheader, %bb12
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%tmp27 = phi i32 [ %tmp28, %.preheader ], [ undef, %bb12 ]
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%tmp28 = add nuw i32 %tmp27, 128
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%tmp29 = icmp ult i32 %tmp28, 1568
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br i1 %tmp29, label %.preheader, label %.loopexit145
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bb30: ; preds = %bb31
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br i1 undef, label %bb11, label %bb12
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bb31: ; preds = %bb31, %bb26
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%tmp32 = phi i32 [ %tmp9, %bb26 ], [ undef, %bb31 ]
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%tmp33 = getelementptr inbounds [462 x float], [462 x float] addrspace(3)* @0, i32 0, i32 %tmp32
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%tmp34 = load float, float addrspace(3)* %tmp33, align 4
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%tmp35 = tail call float @llvm.fmuladd.f32(float %tmp34, float undef, float undef)
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%tmp36 = tail call float @llvm.fmuladd.f32(float undef, float undef, float %tmp35)
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br i1 undef, label %bb30, label %bb31
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bb37: ; preds = %bb11
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br label %bb38
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bb38: ; preds = %bb37, %bb11
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ret void
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}
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attributes #0 = { nounwind readnone speculatable }
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!0 = !{i32 8, i32 16, i32 1}
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