forked from OSchip/llvm-project
79 lines
3.2 KiB
LLVM
79 lines
3.2 KiB
LLVM
; RUN: llc -march=amdgcn -verify-machineinstrs -stress-regalloc=6 < %s | FileCheck %s
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; Inline spiller can decide to move a spill as early as possible in the basic block.
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; It will skip phis and label, but we also need to make sure it skips instructions
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; in the basic block prologue which restore exec mask.
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; Make sure instruction to restore exec mask immediately follows label
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; CHECK-LABEL: {{^}}spill_cfg_position:
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; CHECK: s_cbranch_execz [[LABEL1:BB[0-9_]+]]
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; CHECK: {{^}}[[LABEL1]]:
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; CHECK: s_cbranch_execz [[LABEL2:BB[0-9_]+]]
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; CHECK: {{^}}[[LABEL2]]:
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; CHECK-NEXT: s_or_b64 exec
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; CHECK: buffer_
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define amdgpu_kernel void @spill_cfg_position(i32 addrspace(1)* nocapture %arg) {
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bb:
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%tmp1 = tail call i32 @llvm.amdgcn.workitem.id.x() #0
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%tmp14 = load i32, i32 addrspace(1)* %arg, align 4
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%tmp15 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 1
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%tmp16 = load i32, i32 addrspace(1)* %tmp15, align 4
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%tmp17 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 2
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%tmp18 = load i32, i32 addrspace(1)* %tmp17, align 4
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%tmp19 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 3
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%tmp20 = load i32, i32 addrspace(1)* %tmp19, align 4
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%tmp21 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 4
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%tmp22 = load i32, i32 addrspace(1)* %tmp21, align 4
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%tmp23 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 5
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%tmp24 = load i32, i32 addrspace(1)* %tmp23, align 4
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%tmp25 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 6
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%tmp26 = load i32, i32 addrspace(1)* %tmp25, align 4
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%tmp27 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 7
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%tmp28 = load i32, i32 addrspace(1)* %tmp27, align 4
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%tmp29 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 8
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%tmp30 = load i32, i32 addrspace(1)* %tmp29, align 4
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%tmp33 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i32 %tmp1
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%tmp34 = load i32, i32 addrspace(1)* %tmp33, align 4
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%tmp35 = icmp eq i32 %tmp34, 0
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br i1 %tmp35, label %bb44, label %bb36
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bb36: ; preds = %bb
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%tmp37 = mul nsw i32 %tmp20, %tmp18
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%tmp38 = add nsw i32 %tmp37, %tmp16
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%tmp39 = mul nsw i32 %tmp24, %tmp22
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%tmp40 = add nsw i32 %tmp38, %tmp39
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%tmp41 = mul nsw i32 %tmp28, %tmp26
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%tmp42 = add nsw i32 %tmp40, %tmp41
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%tmp43 = add nsw i32 %tmp42, %tmp30
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br label %bb52
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bb44: ; preds = %bb
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%tmp45 = mul nsw i32 %tmp18, %tmp16
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%tmp46 = mul nsw i32 %tmp22, %tmp20
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%tmp47 = add nsw i32 %tmp46, %tmp45
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%tmp48 = mul nsw i32 %tmp26, %tmp24
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%tmp49 = add nsw i32 %tmp47, %tmp48
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%tmp50 = mul nsw i32 %tmp30, %tmp28
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%tmp51 = add nsw i32 %tmp49, %tmp50
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br label %bb52
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bb52: ; preds = %bb44, %bb36
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%tmp53 = phi i32 [ %tmp43, %bb36 ], [ %tmp51, %bb44 ]
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%tmp54 = mul nsw i32 %tmp16, %tmp14
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%tmp55 = mul nsw i32 %tmp22, %tmp18
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%tmp56 = mul nsw i32 %tmp24, %tmp20
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%tmp57 = mul nsw i32 %tmp30, %tmp26
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%tmp58 = add i32 %tmp55, %tmp54
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%tmp59 = add i32 %tmp58, %tmp56
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%tmp60 = add i32 %tmp59, %tmp28
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%tmp61 = add i32 %tmp60, %tmp57
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%tmp62 = add i32 %tmp61, %tmp53
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store i32 %tmp62, i32 addrspace(1)* %tmp33, align 4
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ret void
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}
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declare i32 @llvm.amdgcn.workitem.id.x() #0
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attributes #0 = { nounwind readnone }
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