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b47fe88605
More patches to follow. This covers the pertinent tests starting with e, f, and g. Differential Revision: https://reviews.llvm.org/D94124
284 lines
11 KiB
LLVM
284 lines
11 KiB
LLVM
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=SI-SAFE,GCN,FUNC %s
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; RUN: llc -enable-no-nans-fp-math -enable-no-signed-zeros-fp-math -march=amdgcn -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=SI-NONAN,GCN-NONAN,GCN,FUNC %s
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; RUN: llc -march=amdgcn -mcpu=fiji -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=VI-SAFE,GCN,FUNC %s
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; RUN: llc -enable-no-nans-fp-math -enable-no-signed-zeros-fp-math -march=amdgcn -mcpu=fiji -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=VI-NONAN,GCN-NONAN,GCN,FUNC %s
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; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -enable-var-scope --check-prefixes=EG,FUNC %s
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declare i32 @llvm.amdgcn.workitem.id.x() #1
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; The two inputs to the instruction are different SGPRs from the same
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; super register, so we can't fold both SGPR operands even though they
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; are both the same register.
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; FUNC-LABEL: {{^}}s_test_fmin_legacy_subreg_inputs_f32:
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; EG: MIN *
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; SI-SAFE: v_min_legacy_f32_e32 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}
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; SI-NONAN: v_min_f32_e32 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}
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; VI-SAFE: v_cmp_nlt_f32_e32 vcc, s{{[0-9]+}}, v{{[0-9]+}}
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; VI-NONAN: v_min_f32_e32 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}
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define amdgpu_kernel void @s_test_fmin_legacy_subreg_inputs_f32(float addrspace(1)* %out, <4 x float> %reg0) #0 {
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%r0 = extractelement <4 x float> %reg0, i32 0
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%r1 = extractelement <4 x float> %reg0, i32 1
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%r2 = fcmp uge float %r0, %r1
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%r3 = select i1 %r2, float %r1, float %r0
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store float %r3, float addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}s_test_fmin_legacy_ule_f32:
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; GCN-DAG: s_load_dwordx2 s{{\[}}[[A:[0-9]+]]:[[B:[0-9]+]]{{\]}}, s{{\[[0-9]+:[0-9]+\]}}, {{0xb|0x2c}}
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; SI-SAFE: v_mov_b32_e32 [[VA:v[0-9]+]], s[[A]]
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; GCN-NONAN: v_mov_b32_e32 [[VB:v[0-9]+]], s[[B]]
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; VI-SAFE: v_mov_b32_e32 [[VB:v[0-9]+]], s[[B]]
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; SI-SAFE: v_min_legacy_f32_e32 {{v[0-9]+}}, s[[B]], [[VA]]
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; VI-SAFE: v_mov_b32_e32 [[VA:v[0-9]+]], s[[A]]
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; VI-SAFE: v_cmp_ngt_f32_e32 vcc, s[[A]], [[VB]]
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; VI-SAFE: v_cndmask_b32_e32 v{{[0-9]+}}, [[VB]], [[VA]]
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; GCN-NONAN: v_min_f32_e32 {{v[0-9]+}}, s[[A]], [[VB]]
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define amdgpu_kernel void @s_test_fmin_legacy_ule_f32(float addrspace(1)* %out, float %a, float %b) #0 {
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%cmp = fcmp ule float %a, %b
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%val = select i1 %cmp, float %a, float %b
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store float %val, float addrspace(1)* %out, align 4
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ret void
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}
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; Nsz also needed
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; FIXME: Should separate tests
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; GCN-LABEL: {{^}}s_test_fmin_legacy_ule_f32_nnan_src:
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; GCN: s_load_dwordx2 s{{\[}}[[A:[0-9]+]]:[[B:[0-9]+]]{{\]}}, s{{\[[0-9]+:[0-9]+\]}}, {{0xb|0x2c}}
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; GCN-DAG: v_add_f32_e64 [[ADD_A:v[0-9]+]], s[[A]], 1.0
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; GCN-DAG: v_add_f32_e64 [[ADD_B:v[0-9]+]], s[[B]], 2.0
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; SI-SAFE: v_min_legacy_f32_e32 {{v[0-9]+}}, [[ADD_B]], [[ADD_A]]
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; VI-SAFE: v_cmp_ngt_f32_e32 vcc, [[ADD_A]], [[ADD_B]]
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; VI-SAFE: v_cndmask_b32_e32 {{v[0-9]+}}, [[ADD_B]], [[ADD_A]], vcc
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; GCN-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[ADD_A]], [[ADD_B]]
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define amdgpu_kernel void @s_test_fmin_legacy_ule_f32_nnan_src(float addrspace(1)* %out, float %a, float %b) #0 {
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%a.nnan = fadd nnan float %a, 1.0
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%b.nnan = fadd nnan float %b, 2.0
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%cmp = fcmp ule float %a.nnan, %b.nnan
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%val = select i1 %cmp, float %a.nnan, float %b.nnan
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store float %val, float addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}test_fmin_legacy_ule_f32:
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; GCN: {{buffer|flat}}_load_dword [[A:v[0-9]+]]
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; GCN: {{buffer|flat}}_load_dword [[B:v[0-9]+]]
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; SI-SAFE: v_min_legacy_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
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; VI-SAFE: v_cmp_ngt_f32_e32 vcc, [[A]], [[B]]
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; VI-SAFE: v_cndmask_b32_e32 v{{[0-9]+}}, [[B]], [[A]]
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; GCN-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
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define amdgpu_kernel void @test_fmin_legacy_ule_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
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%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
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%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
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%a = load volatile float, float addrspace(1)* %gep.0, align 4
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%b = load volatile float, float addrspace(1)* %gep.1, align 4
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%cmp = fcmp ule float %a, %b
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%val = select i1 %cmp, float %a, float %b
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store float %val, float addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}test_fmin_legacy_ole_f32:
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; GCN: {{buffer|flat}}_load_dword [[A:v[0-9]+]]
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; GCN: {{buffer|flat}}_load_dword [[B:v[0-9]+]]
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; SI-SAFE: v_min_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
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; VI-SAFE: v_cmp_le_f32_e32 vcc, [[A]], [[B]]
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; VI-SAFE: v_cndmask_b32_e32 v{{[0-9]+}}, [[B]], [[A]]
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; GCN-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
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define amdgpu_kernel void @test_fmin_legacy_ole_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
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%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
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%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
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%a = load volatile float, float addrspace(1)* %gep.0, align 4
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%b = load volatile float, float addrspace(1)* %gep.1, align 4
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%cmp = fcmp ole float %a, %b
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%val = select i1 %cmp, float %a, float %b
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store float %val, float addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}test_fmin_legacy_olt_f32:
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; GCN: {{buffer|flat}}_load_dword [[A:v[0-9]+]]
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; GCN: {{buffer|flat}}_load_dword [[B:v[0-9]+]]
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; SI-SAFE: v_min_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
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; VI-SAFE: v_cmp_lt_f32_e32 vcc, [[A]], [[B]]
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; VI-SAFE: v_cndmask_b32_e32 v{{[0-9]+}}, [[B]], [[A]]
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; GCN-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
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define amdgpu_kernel void @test_fmin_legacy_olt_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
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%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
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%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
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%a = load volatile float, float addrspace(1)* %gep.0, align 4
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%b = load volatile float, float addrspace(1)* %gep.1, align 4
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%cmp = fcmp olt float %a, %b
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%val = select i1 %cmp, float %a, float %b
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store float %val, float addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}test_fmin_legacy_ult_f32:
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; GCN: {{buffer|flat}}_load_dword [[A:v[0-9]+]]
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; GCN: {{buffer|flat}}_load_dword [[B:v[0-9]+]]
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; SI-SAFE: v_min_legacy_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
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; VI-SAFE: v_cmp_nge_f32_e32 vcc, [[A]], [[B]]
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; VI-SAFE: v_cndmask_b32_e32 v{{[0-9]+}}, [[B]], [[A]]
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; GCN-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
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define amdgpu_kernel void @test_fmin_legacy_ult_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
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%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
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%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
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%a = load volatile float, float addrspace(1)* %gep.0, align 4
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%b = load volatile float, float addrspace(1)* %gep.1, align 4
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%cmp = fcmp ult float %a, %b
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%val = select i1 %cmp, float %a, float %b
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store float %val, float addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}test_fmin_legacy_ult_v1f32:
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; GCN: {{buffer|flat}}_load_dword [[A:v[0-9]+]]
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; GCN: {{buffer|flat}}_load_dword [[B:v[0-9]+]]
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; SI-SAFE: v_min_legacy_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
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; VI-SAFE: v_cmp_nge_f32_e32 vcc, [[A]], [[B]]
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; VI-SAFE: v_cndmask_b32_e32 v{{[0-9]+}}, [[B]], [[A]]
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; GCN-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
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define amdgpu_kernel void @test_fmin_legacy_ult_v1f32(<1 x float> addrspace(1)* %out, <1 x float> addrspace(1)* %in) #0 {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
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%gep.0 = getelementptr <1 x float>, <1 x float> addrspace(1)* %in, i32 %tid
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%gep.1 = getelementptr <1 x float>, <1 x float> addrspace(1)* %gep.0, i32 1
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%a = load <1 x float>, <1 x float> addrspace(1)* %gep.0
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%b = load <1 x float>, <1 x float> addrspace(1)* %gep.1
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%cmp = fcmp ult <1 x float> %a, %b
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%val = select <1 x i1> %cmp, <1 x float> %a, <1 x float> %b
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store <1 x float> %val, <1 x float> addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}test_fmin_legacy_ult_v2f32:
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; GCN: {{buffer|flat}}_load_dwordx2
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; GCN: {{buffer|flat}}_load_dwordx2
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; SI-SAFE: v_min_legacy_f32_e32
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; SI-SAFE: v_min_legacy_f32_e32
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; VI-SAFE: v_cmp_nge_f32_e32
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; VI-SAFE: v_cndmask_b32_e32
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; VI-SAFE: v_cmp_nge_f32_e32
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; VI-SAFE: v_cndmask_b32_e32
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; GCN-NONAN: v_min_f32_e32
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; GCN-NONAN: v_min_f32_e32
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define amdgpu_kernel void @test_fmin_legacy_ult_v2f32(<2 x float> addrspace(1)* %out, <2 x float> addrspace(1)* %in) #0 {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
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%gep.0 = getelementptr <2 x float>, <2 x float> addrspace(1)* %in, i32 %tid
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%gep.1 = getelementptr <2 x float>, <2 x float> addrspace(1)* %gep.0, i32 1
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%a = load <2 x float>, <2 x float> addrspace(1)* %gep.0
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%b = load <2 x float>, <2 x float> addrspace(1)* %gep.1
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%cmp = fcmp ult <2 x float> %a, %b
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%val = select <2 x i1> %cmp, <2 x float> %a, <2 x float> %b
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store <2 x float> %val, <2 x float> addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}test_fmin_legacy_ult_v3f32:
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; SI-SAFE: v_min_legacy_f32_e32
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; SI-SAFE: v_min_legacy_f32_e32
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; SI-SAFE: v_min_legacy_f32_e32
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; SI-SAFE-NOT: v_min_
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; VI-SAFE: v_cmp_nge_f32_e32
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; VI-SAFE: v_cndmask_b32_e32
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; VI-SAFE: v_cmp_nge_f32_e32
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; VI-SAFE: v_cndmask_b32_e32
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; VI-SAFE: v_cmp_nge_f32_e32
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; VI-SAFE: v_cndmask_b32_e32
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; VI-NOT: v_cmp
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; VI-NOT: v_cndmask
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; GCN-NONAN: v_min_f32_e32
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; GCN-NONAN: v_min_f32_e32
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; GCN-NONAN: v_min_f32_e32
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; GCN-NONAN-NOT: v_min_
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define amdgpu_kernel void @test_fmin_legacy_ult_v3f32(<3 x float> addrspace(1)* %out, <3 x float> addrspace(1)* %in) #0 {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
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%gep.0 = getelementptr <3 x float>, <3 x float> addrspace(1)* %in, i32 %tid
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%gep.1 = getelementptr <3 x float>, <3 x float> addrspace(1)* %gep.0, i32 1
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%a = load <3 x float>, <3 x float> addrspace(1)* %gep.0
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%b = load <3 x float>, <3 x float> addrspace(1)* %gep.1
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%cmp = fcmp ult <3 x float> %a, %b
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%val = select <3 x i1> %cmp, <3 x float> %a, <3 x float> %b
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store <3 x float> %val, <3 x float> addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}test_fmin_legacy_ole_f32_multi_use:
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; GCN: {{buffer|flat}}_load_dword [[A:v[0-9]+]]
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; GCN: {{buffer|flat}}_load_dword [[B:v[0-9]+]]
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; GCN-NOT: v_min
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; GCN: v_cmp_le_f32
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; GCN-NEXT: v_cndmask_b32
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; GCN-NOT: v_min
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; GCN: s_endpgm
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define amdgpu_kernel void @test_fmin_legacy_ole_f32_multi_use(float addrspace(1)* %out0, i1 addrspace(1)* %out1, float addrspace(1)* %in) #0 {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
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%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
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%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
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%a = load volatile float, float addrspace(1)* %gep.0, align 4
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%b = load volatile float, float addrspace(1)* %gep.1, align 4
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%cmp = fcmp ole float %a, %b
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%val0 = select i1 %cmp, float %a, float %b
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store float %val0, float addrspace(1)* %out0, align 4
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store i1 %cmp, i1 addrspace(1)* %out1
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ret void
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}
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attributes #0 = { nounwind }
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attributes #1 = { nounwind readnone }
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