48 lines
2.2 KiB
LLVM
48 lines
2.2 KiB
LLVM
; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=bonaire < %s | FileCheck -check-prefixes=GCN,FUNC %s
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; RUN: llc -global-isel=1 -new-reg-bank-select -mtriple=amdgcn -mcpu=bonaire < %s | FileCheck -check-prefixes=GCN,FUNC %s
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; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=tonga < %s | FileCheck -check-prefixes=GCN,VIGFX9,FUNC %s
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; RUN: llc -global-isel=1 -new-reg-bank-select -mtriple=amdgcn -mcpu=tonga < %s | FileCheck -check-prefixes=GCN,VIGFX9,FUNC %s
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; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=gfx900 < %s | FileCheck -check-prefixes=GCN,VIGFX9,FUNC %s
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; RUN: llc -global-isel=1 -new-reg-bank-select -mtriple=amdgcn -mcpu=gfx900 < %s | FileCheck -check-prefixes=GCN,VIGFX9,FUNC %s
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; FUNC-LABEL: {{^}}ds_ordered_swap:
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; GCN: s_mov_b32 m0, s0
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; VIGFX9-NEXT: s_nop 0
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; GCN-NEXT: ds_ordered_count v{{[0-9]+}}, v0 offset:4868 gds
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; GCN-NEXT: s_waitcnt expcnt(0) lgkmcnt(0)
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define amdgpu_cs float @ds_ordered_swap(ptr addrspace(2) inreg %gds, i32 %value) {
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%val = call i32@llvm.amdgcn.ds.ordered.swap(ptr addrspace(2) %gds, i32 %value, i32 0, i32 0, i1 false, i32 1, i1 true, i1 true)
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%r = bitcast i32 %val to float
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ret float %r
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}
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; FUNC-LABEL: {{^}}ds_ordered_swap_conditional:
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; GCN: v_cmp_ne_u32_e32 vcc, 0, v[[VALUE:[0-9]+]]
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; GCN: s_and_saveexec_b64 s[[SAVED:\[[0-9]+:[0-9]+\]]], vcc
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; // We have to use s_cbranch, because ds_ordered_count has side effects with EXEC=0
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; GCN: s_cbranch_execz [[BB:.LBB._.]]
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; GCN: s_mov_b32 m0, s0
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; VIGFX9-NEXT: s_nop 0
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; GCN-NEXT: ds_ordered_count v{{[0-9]+}}, v[[VALUE]] offset:4868 gds
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; GCN-NEXT: s_waitcnt lgkmcnt(0)
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; GCN-NEXT: [[BB]]:
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; // Wait for expcnt(0) before modifying EXEC
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; GCN-NEXT: s_waitcnt expcnt(0)
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; GCN-NEXT: s_or_b64 exec, exec, s[[SAVED]]
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define amdgpu_cs float @ds_ordered_swap_conditional(ptr addrspace(2) inreg %gds, i32 %value) {
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entry:
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%c = icmp ne i32 %value, 0
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br i1 %c, label %if-true, label %endif
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if-true:
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%val = call i32@llvm.amdgcn.ds.ordered.swap(ptr addrspace(2) %gds, i32 %value, i32 0, i32 0, i1 false, i32 1, i1 true, i1 true)
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br label %endif
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endif:
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%v = phi i32 [ %val, %if-true ], [ poison, %entry ]
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%r = bitcast i32 %v to float
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ret float %r
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}
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declare i32 @llvm.amdgcn.ds.ordered.swap(ptr addrspace(2) nocapture, i32, i32, i32, i1, i32, i1, i1)
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