derek.holloway
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49 lines
2.3 KiB
LLVM
49 lines
2.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 < %s | FileCheck --check-prefixes=DEFAULT %s
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; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -amdgpu-waitcnt-load-forcezero < %s | FileCheck --check-prefixes=LDZERO %s
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define amdgpu_kernel void @copy(ptr addrspace(1) noalias nocapture readonly %src1, ptr addrspace(1) noalias nocapture readonly %src2, ptr addrspace(1) noalias nocapture writeonly %dst1, ptr addrspace(1) noalias nocapture writeonly %dst2) {
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; DEFAULT-LABEL: copy:
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; DEFAULT: ; %bb.0:
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; DEFAULT-NEXT: s_load_b256 s[0:7], s[4:5], 0x24
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; DEFAULT-NEXT: v_and_b32_e32 v0, 0x3ff, v0
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; DEFAULT-NEXT: s_delay_alu instid0(VALU_DEP_1)
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; DEFAULT-NEXT: v_lshlrev_b32_e32 v0, 2, v0
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; DEFAULT-NEXT: s_waitcnt lgkmcnt(0)
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; DEFAULT-NEXT: s_clause 0x1
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; DEFAULT-NEXT: global_load_b32 v1, v0, s[0:1]
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; DEFAULT-NEXT: global_load_b32 v2, v0, s[2:3]
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; DEFAULT-NEXT: s_waitcnt vmcnt(1)
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; DEFAULT-NEXT: global_store_b32 v0, v1, s[4:5]
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; DEFAULT-NEXT: s_waitcnt vmcnt(0)
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; DEFAULT-NEXT: global_store_b32 v0, v2, s[6:7]
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; DEFAULT-NEXT: s_endpgm
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;
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; LDZERO-LABEL: copy:
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; LDZERO: ; %bb.0:
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; LDZERO-NEXT: s_load_b256 s[0:7], s[4:5], 0x24
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; LDZERO-NEXT: v_and_b32_e32 v0, 0x3ff, v0
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; LDZERO-NEXT: s_delay_alu instid0(VALU_DEP_1)
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; LDZERO-NEXT: v_lshlrev_b32_e32 v0, 2, v0
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; LDZERO-NEXT: s_waitcnt lgkmcnt(0)
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; LDZERO-NEXT: s_clause 0x1
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; LDZERO-NEXT: global_load_b32 v1, v0, s[0:1]
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; LDZERO-NEXT: global_load_b32 v2, v0, s[2:3]
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; LDZERO-NEXT: s_waitcnt vmcnt(0)
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; LDZERO-NEXT: s_clause 0x1
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; LDZERO-NEXT: global_store_b32 v0, v1, s[4:5]
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; LDZERO-NEXT: global_store_b32 v0, v2, s[6:7]
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; LDZERO-NEXT: s_endpgm
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%id = tail call i32 @llvm.amdgcn.workitem.id.x()
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%idx = zext i32 %id to i64
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%gep.ld1 = getelementptr inbounds nuw float, ptr addrspace(1) %src1, i64 %idx
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%v1 = load float, ptr addrspace(1) %gep.ld1, align 4
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%gep.ld2 = getelementptr inbounds nuw float, ptr addrspace(1) %src2, i64 %idx
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%v2 = load float, ptr addrspace(1) %gep.ld2, align 4
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%gep.st1 = getelementptr inbounds nuw float, ptr addrspace(1) %dst1, i64 %idx
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store float %v1, ptr addrspace(1) %gep.st1, align 4
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%gep.st2 = getelementptr inbounds nuw float, ptr addrspace(1) %dst2, i64 %idx
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store float %v2, ptr addrspace(1) %gep.st2, align 4
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ret void
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}
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