3833f03054
Add uniform and divergent register bank legalization rules for the amdgcn_perm intrinsic (v_perm_b32). Since this is a VALU-only instruction, the uniform case maps the destination to UniInVgprB32 and all source operands to VgprB32.
48 lines
1.8 KiB
LLVM
48 lines
1.8 KiB
LLVM
; RUN: llc -mtriple=amdgcn -mcpu=tonga < %s | FileCheck -check-prefix=GCN %s
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; RUN: llc -mtriple=amdgcn -mcpu=tonga -global-isel -new-reg-bank-select < %s | FileCheck -check-prefix=GCN %s
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declare i32 @llvm.amdgcn.perm(i32, i32, i32) #0
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; GCN-LABEL: {{^}}v_perm_b32_v_v_v:
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; GCN: v_perm_b32 v{{[0-9]+}}, v0, v1, v2
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define amdgpu_ps void @v_perm_b32_v_v_v(i32 %src1, i32 %src2, i32 %src3, ptr addrspace(1) %out) #1 {
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%val = call i32 @llvm.amdgcn.perm(i32 %src1, i32 %src2, i32 %src3) #0
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store i32 %val, ptr addrspace(1) %out
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ret void
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}
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; GCN-LABEL: {{^}}v_perm_b32_v_v_c:
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; GCN: v_perm_b32 v{{[0-9]+}}, v0, v1, {{[vs][0-9]+}}
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define amdgpu_ps void @v_perm_b32_v_v_c(i32 %src1, i32 %src2, ptr addrspace(1) %out) #1 {
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%val = call i32 @llvm.amdgcn.perm(i32 %src1, i32 %src2, i32 12345) #0
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store i32 %val, ptr addrspace(1) %out
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ret void
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}
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; GCN-LABEL: {{^}}v_perm_b32_s_v_c:
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; GCN: v_perm_b32 v{{[0-9]+}}, s0, v0, v{{[0-9]+}}
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define amdgpu_ps void @v_perm_b32_s_v_c(i32 inreg %src1, i32 %src2, ptr addrspace(1) %out) #1 {
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%val = call i32 @llvm.amdgcn.perm(i32 %src1, i32 %src2, i32 12345) #0
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store i32 %val, ptr addrspace(1) %out
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ret void
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}
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; GCN-LABEL: {{^}}v_perm_b32_s_s_c:
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; GCN: v_perm_b32 v{{[0-9]+}}, s0, v{{[0-9]+}}, v{{[0-9]+}}
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define amdgpu_ps void @v_perm_b32_s_s_c(i32 inreg %src1, i32 inreg %src2, ptr addrspace(1) %out) #1 {
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%val = call i32 @llvm.amdgcn.perm(i32 %src1, i32 %src2, i32 12345) #0
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store i32 %val, ptr addrspace(1) %out
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ret void
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}
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; GCN-LABEL: {{^}}v_perm_b32_v_s_i:
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; GCN: v_perm_b32 v{{[0-9]+}}, v0, s0, 1
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define amdgpu_ps void @v_perm_b32_v_s_i(i32 %src1, i32 inreg %src2, ptr addrspace(1) %out) #1 {
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%val = call i32 @llvm.amdgcn.perm(i32 %src1, i32 %src2, i32 1) #0
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store i32 %val, ptr addrspace(1) %out
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ret void
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}
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attributes #0 = { nounwind readnone }
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attributes #1 = { nounwind }
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