forked from OSchip/llvm-project
162 lines
6.2 KiB
LLVM
162 lines
6.2 KiB
LLVM
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
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; Make sure to test with f32 and i32 compares. If we have to use float
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; compares, we always have multiple condition registers. If we can do
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; scalar compares, we don't want to use multiple condition registers.
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; GCN-LABEL: {{^}}opt_select_i32_and_cmp_i32:
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; GCN-DAG: v_cmp_ne_u32_e32 vcc,
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; GCN-DAG: v_cmp_ne_u32_e64 [[CMP1:s\[[0-9]+:[0-9]+\]]]
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; GCN: s_and_b64 vcc, vcc, [[CMP1]]
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; GCN: v_cndmask_b32_e32 [[RESULT:v[0-9]+]], {{v[0-9]+}}, {{v[0-9]+}}, vcc
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; GCN-NOT: [[RESULT]]
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; GCN: buffer_store_dword [[RESULT]]
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define amdgpu_kernel void @opt_select_i32_and_cmp_i32(i32 addrspace(1)* %out, i32 %a, i32 %b, i32 %c, i32 %x, i32 %y) #0 {
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%icmp0 = icmp ne i32 %a, %b
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%icmp1 = icmp ne i32 %a, %c
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%and = and i1 %icmp0, %icmp1
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%select = select i1 %and, i32 %x, i32 %y
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store i32 %select, i32 addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}opt_select_i32_and_cmp_f32:
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; GCN-DAG: v_cmp_lg_f32_e32 vcc
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; GCN-DAG: v_cmp_lg_f32_e64 [[CMP1:s\[[0-9]+:[0-9]+\]]]
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; GCN: s_and_b64 vcc, vcc, [[CMP1]]
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; GCN: v_cndmask_b32_e32 [[RESULT:v[0-9]+]], {{v[0-9]+}}, {{v[0-9]+}}, vcc
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; GCN-NOT: [[RESULT]]
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; GCN: buffer_store_dword [[RESULT]]
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define amdgpu_kernel void @opt_select_i32_and_cmp_f32(i32 addrspace(1)* %out, float %a, float %b, float %c, i32 %x, i32 %y) #0 {
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%fcmp0 = fcmp one float %a, %b
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%fcmp1 = fcmp one float %a, %c
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%and = and i1 %fcmp0, %fcmp1
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%select = select i1 %and, i32 %x, i32 %y
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store i32 %select, i32 addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}opt_select_i64_and_cmp_i32:
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; GCN-DAG: v_cmp_ne_u32_e32 vcc,
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; GCN-DAG: v_cmp_ne_u32_e64 [[CMP1:s\[[0-9]+:[0-9]+\]]]
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; GCN: s_and_b64 vcc, vcc, [[CMP1]]
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; GCN: v_cndmask_b32_e32 v[[RESULT1:[0-9]+]], {{v[0-9]+}}, {{v[0-9]+}}, vcc
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; GCN: v_cndmask_b32_e32 v[[RESULT0:[0-9]+]], {{v[0-9]+}}, {{v[0-9]+}}, vcc
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; GCN: buffer_store_dwordx2 v{{\[}}[[RESULT0]]:[[RESULT1]]{{\]}}
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define amdgpu_kernel void @opt_select_i64_and_cmp_i32(i64 addrspace(1)* %out, i32 %a, i32 %b, i32 %c, i64 %x, i64 %y) #0 {
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%icmp0 = icmp ne i32 %a, %b
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%icmp1 = icmp ne i32 %a, %c
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%and = and i1 %icmp0, %icmp1
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%select = select i1 %and, i64 %x, i64 %y
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store i64 %select, i64 addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}opt_select_i64_and_cmp_f32:
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; GCN-DAG: v_cmp_lg_f32_e32 vcc,
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; GCN-DAG: v_cmp_lg_f32_e64 [[CMP1:s\[[0-9]+:[0-9]+\]]]
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; GCN: s_and_b64 vcc, vcc, [[CMP1]]
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; GCN: v_cndmask_b32_e32 v[[RESULT1:[0-9]+]], {{v[0-9]+}}, {{v[0-9]+}}, vcc
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; GCN: v_cndmask_b32_e32 v[[RESULT0:[0-9]+]], {{v[0-9]+}}, {{v[0-9]+}}, vcc
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; GCN: buffer_store_dwordx2 v{{\[}}[[RESULT0]]:[[RESULT1]]{{\]}}
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define amdgpu_kernel void @opt_select_i64_and_cmp_f32(i64 addrspace(1)* %out, float %a, float %b, float %c, i64 %x, i64 %y) #0 {
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%fcmp0 = fcmp one float %a, %b
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%fcmp1 = fcmp one float %a, %c
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%and = and i1 %fcmp0, %fcmp1
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%select = select i1 %and, i64 %x, i64 %y
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store i64 %select, i64 addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}opt_select_i32_or_cmp_i32:
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; GCN-DAG: v_cmp_ne_u32_e32 vcc,
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; GCN-DAG: v_cmp_ne_u32_e64 [[CMP1:s\[[0-9]+:[0-9]+\]]]
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; GCN: s_or_b64 vcc, vcc, [[CMP1]]
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; GCN: v_cndmask_b32_e32 [[RESULT:v[0-9]+]], {{v[0-9]+}}, {{v[0-9]+}}, vcc
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; GCN-NOT: [[RESULT]]
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; GCN: buffer_store_dword [[RESULT]]
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; GCN: s_endpgm
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define amdgpu_kernel void @opt_select_i32_or_cmp_i32(i32 addrspace(1)* %out, i32 %a, i32 %b, i32 %c, i32 %x, i32 %y) #0 {
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%icmp0 = icmp ne i32 %a, %b
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%icmp1 = icmp ne i32 %a, %c
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%or = or i1 %icmp0, %icmp1
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%select = select i1 %or, i32 %x, i32 %y
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store i32 %select, i32 addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}opt_select_i32_or_cmp_f32:
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; GCN-DAG: v_cmp_lg_f32_e32 vcc
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; GCN-DAG: v_cmp_lg_f32_e64 [[CMP1:s\[[0-9]+:[0-9]+\]]]
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; GCN: s_or_b64 vcc, vcc, [[CMP1]]
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; GCN: v_cndmask_b32_e32 [[RESULT:v[0-9]+]], {{v[0-9]+}}, {{v[0-9]+}}, vcc
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; GCN-NOT: [[RESULT]]
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; GCN: buffer_store_dword [[RESULT]]
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define amdgpu_kernel void @opt_select_i32_or_cmp_f32(i32 addrspace(1)* %out, float %a, float %b, float %c, i32 %x, i32 %y) #0 {
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%fcmp0 = fcmp one float %a, %b
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%fcmp1 = fcmp one float %a, %c
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%or = or i1 %fcmp0, %fcmp1
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%select = select i1 %or, i32 %x, i32 %y
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store i32 %select, i32 addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}opt_select_i64_or_cmp_i32:
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; GCN-DAG: v_cmp_ne_u32_e32 vcc,
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; GCN-DAG: v_cmp_ne_u32_e64 [[CMP1:s\[[0-9]+:[0-9]+\]]]
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; GCN: s_or_b64 vcc, vcc, [[CMP1]]
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; GCN: v_cndmask_b32_e32 v[[RESULT1:[0-9]+]], {{v[0-9]+}}, {{v[0-9]+}}, vcc
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; GCN: v_cndmask_b32_e32 v[[RESULT0:[0-9]+]], {{v[0-9]+}}, {{v[0-9]+}}, vcc
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; GCN: buffer_store_dwordx2 v{{\[}}[[RESULT0]]:[[RESULT1]]{{\]}}
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define amdgpu_kernel void @opt_select_i64_or_cmp_i32(i64 addrspace(1)* %out, i32 %a, i32 %b, i32 %c, i64 %x, i64 %y) #0 {
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%icmp0 = icmp ne i32 %a, %b
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%icmp1 = icmp ne i32 %a, %c
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%or = or i1 %icmp0, %icmp1
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%select = select i1 %or, i64 %x, i64 %y
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store i64 %select, i64 addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}opt_select_i64_or_cmp_f32:
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; GCN-DAG: v_cmp_lg_f32_e32 vcc,
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; GCN-DAG: v_cmp_lg_f32_e64 [[CMP1:s\[[0-9]+:[0-9]+\]]]
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; GCN: s_or_b64 vcc, vcc, [[CMP1]]
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; GCN: v_cndmask_b32_e32 v[[RESULT1:[0-9]+]], {{v[0-9]+}}, {{v[0-9]+}}, vcc
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; GCN: v_cndmask_b32_e32 v[[RESULT0:[0-9]+]], {{v[0-9]+}}, {{v[0-9]+}}, vcc
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; GCN: buffer_store_dwordx2 v{{\[}}[[RESULT0]]:[[RESULT1]]{{\]}}
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define amdgpu_kernel void @opt_select_i64_or_cmp_f32(i64 addrspace(1)* %out, float %a, float %b, float %c, i64 %x, i64 %y) #0 {
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%fcmp0 = fcmp one float %a, %b
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%fcmp1 = fcmp one float %a, %c
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%or = or i1 %fcmp0, %fcmp1
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%select = select i1 %or, i64 %x, i64 %y
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store i64 %select, i64 addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}regression:
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; GCN: v_cmp_neq_f32_e64 s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}}, 1.0
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; GCN: v_cmp_neq_f32_e64 s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}}, 0
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; GCN: v_cmp_eq_f32_e64 s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}}, 0
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define amdgpu_kernel void @regression(float addrspace(1)* %out, float %c0, float %c1) #0 {
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entry:
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%cmp0 = fcmp oeq float %c0, 1.0
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br i1 %cmp0, label %if0, label %endif
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if0:
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%cmp1 = fcmp oeq float %c1, 0.0
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br i1 %cmp1, label %if1, label %endif
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if1:
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%cmp2 = xor i1 %cmp1, true
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br label %endif
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endif:
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%tmp0 = phi i1 [ true, %entry ], [ %cmp2, %if1 ], [ false, %if0 ]
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%tmp2 = select i1 %tmp0, float 4.0, float 0.0
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store float %tmp2, float addrspace(1)* %out
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ret void
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}
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attributes #0 = { nounwind }
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