derek.holloway
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62 lines
3.5 KiB
LLVM
62 lines
3.5 KiB
LLVM
; RUN: llc -mtriple=amdgcn -mcpu=gfx906 < %s | FileCheck -check-prefixes=GCN %s
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declare <4 x float> @llvm.amdgcn.image.gather4.2d.v4f32.f32(i32, float, float, <8 x i32>, <4 x i32>, i1, i32, i32)
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; GCN-LABEL: {{^}}water_loop_rsrc:
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; GCN: [[RSRC_LOOP:.L[a-zA-Z0-9_]+]]: ; =>This Inner Loop Header: Depth=1
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; GCN-NEXT: v_readfirstlane_b32 s[[SREG0:[0-9]+]], v[[VREG0:[0-9]+]]
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; GCN-NEXT: v_readfirstlane_b32 s[[SREG1:[0-9]+]], v[[VREG1:[0-9]+]]
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; GCN-NEXT: v_readfirstlane_b32 s[[SREG2:[0-9]+]], v[[VREG2:[0-9]+]]
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; GCN-NEXT: v_readfirstlane_b32 s[[SREG3:[0-9]+]], v[[VREG3:[0-9]+]]
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; GCN-NEXT: v_cmp_eq_u64_e32 [[CMP0:vcc]], s[[[SREG0]]:[[SREG1]]], v[[[VREG0]]:[[VREG1]]]
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; GCN-NEXT: v_cmp_eq_u64_e64 [[CMP1:s\[[0-9]+:[0-9]+\]]], s[[[SREG2]]:[[SREG3]]], v[[[VREG2]]:[[VREG3]]]
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; GCN-NEXT: v_readfirstlane_b32 s[[SREG4:[0-9]+]], v[[VREG4:[0-9]+]]
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; GCN-NEXT: v_readfirstlane_b32 s[[SREG5:[0-9]+]], v[[VREG5:[0-9]+]]
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; GCN-NEXT: s_and_b64 [[AND0:s\[[0-9]+:[0-9]+\]]], [[CMP0]], [[CMP1]]
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; GCN-NEXT: v_cmp_eq_u64_e32 [[CMP2:vcc]], s[[[SREG4]]:[[SREG5]]], v[[[VREG4]]:[[VREG5]]]
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; GCN-NEXT: v_readfirstlane_b32 s[[SREG6:[0-9]+]], v[[VREG6:[0-9]+]]
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; GCN-NEXT: v_readfirstlane_b32 s[[SREG7:[0-9]+]], v[[VREG7:[0-9]+]]
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; GCN-NEXT: v_cmp_eq_u64_e64 [[CMP3:s\[[0-9]+:[0-9]+\]]], s[[[SREG6]]:[[SREG7]]], v[[[VREG6]]:[[VREG7]]]
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; GCN-NEXT: s_and_b64 [[AND1:s\[[0-9]+:[0-9]+\]]], [[AND0]], [[CMP2]]
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; GCN-NEXT: s_and_b64 [[AND:s\[[0-9]+:[0-9]+\]]], [[AND1]], [[CMP3]]
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; GCN-NEXT: s_and_saveexec_b64 [[SAVE:s\[[0-9]+:[0-9]+\]]], [[AND]]
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; GCN-NEXT: s_nop 0
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; GCN-NEXT: image_gather4 {{v\[[0-9]+:[0-9]+\]}}, {{v\[[0-9]+:[0-9]+\]}}, s[[[SREG0]]:[[SREG7]]], {{s\[[0-9]+:[0-9]+\]}} dmask:0x1
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; GCN-NEXT: ; implicit-def: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
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; GCN-NEXT: ; implicit-def: $vgpr8_vgpr9
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; GCN-NEXT: s_xor_b64 exec, exec, [[SAVE]]
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; GCN-NEXT: s_cbranch_execnz [[RSRC_LOOP]]
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define amdgpu_ps <4 x float> @water_loop_rsrc(<8 x i32> %rsrc, <4 x i32> inreg %samp, float %s, float %t) {
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main_body:
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%v = call <4 x float> @llvm.amdgcn.image.gather4.2d.v4f32.f32(i32 1, float %s, float %t, <8 x i32> %rsrc, <4 x i32> %samp, i1 0, i32 0, i32 0)
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ret <4 x float> %v
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}
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; GCN-LABEL: {{^}}water_loop_samp:
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; GCN: [[SAMP_LOOP:.L[a-zA-Z0-9_]+]]: ; =>This Inner Loop Header: Depth=1
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; GCN-NEXT: v_readfirstlane_b32 s[[SREG0:[0-9]+]], v[[VREG0:[0-9]+]]
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; GCN-NEXT: v_readfirstlane_b32 s[[SREG1:[0-9]+]], v[[VREG1:[0-9]+]]
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; GCN-NEXT: v_readfirstlane_b32 s[[SREG2:[0-9]+]], v[[VREG2:[0-9]+]]
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; GCN-NEXT: v_readfirstlane_b32 s[[SREG3:[0-9]+]], v[[VREG3:[0-9]+]]
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; GCN-NEXT: v_cmp_eq_u64_e32 [[CMP0:vcc]], s[[[SREG0]]:[[SREG1]]], v[[[VREG0]]:[[VREG1]]]
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; GCN-NEXT: v_cmp_eq_u64_e64 [[CMP1:s\[[0-9]+:[0-9]+\]]], s[[[SREG2]]:[[SREG3]]], v[[[VREG2]]:[[VREG3]]]
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; GCN-NEXT: s_and_b64 [[AND:s\[[0-9]+:[0-9]+\]]], [[CMP0]], [[CMP1]]
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; GCN-NEXT: s_and_saveexec_b64 [[SAVE:s\[[0-9]+:[0-9]+\]]], [[AND]]
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; GCN-NEXT: s_nop 0
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; GCN-NEXT: image_gather4 {{v\[[0-9]+:[0-9]+\]}}, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, s[[[SREG0]]:[[SREG3]]] dmask:0x1
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; GCN-NEXT: ; implicit-def: $vgpr0_vgpr1_vgpr2_vgpr3
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; GCN-NEXT: ; implicit-def: $vgpr4_vgpr5
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; GCN-NEXT: s_xor_b64 exec, exec, [[SAVE]]
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; GCN-NEXT: s_cbranch_execnz [[SAMP_LOOP]]
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define amdgpu_ps <4 x float> @water_loop_samp(<8 x i32> inreg %rsrc, <4 x i32> %samp, float %s, float %t) {
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main_body:
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%v = call <4 x float> @llvm.amdgcn.image.gather4.2d.v4f32.f32(i32 1, float %s, float %t, <8 x i32> %rsrc, <4 x i32> %samp, i1 0, i32 0, i32 0)
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ret <4 x float> %v
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}
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