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llvm-mirror/test/CodeGen/AMDGPU/fmin_legacy.ll
Matt Arsenault 7193bf43c5 AMDGPU: Add volatile to test loads and stores
When the memory vectorizer is enabled, these tests break.
These tests don't really care about the memory instructions,
and it's easier to write check lines with the unmerged loads.

llvm-svn: 266071
2016-04-12 13:38:18 +00:00

208 lines
9.0 KiB
LLVM

; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI-SAFE -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -enable-no-nans-fp-math -enable-unsafe-fp-math -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI-NONAN -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
; FIXME: Should replace unsafe-fp-math with no signed zeros.
declare i32 @llvm.r600.read.tidig.x() #1
; The two inputs to the instruction are different SGPRs from the same
; super register, so we can't fold both SGPR operands even though they
; are both the same register.
; FUNC-LABEL: {{^}}s_test_fmin_legacy_subreg_inputs_f32:
; EG: MIN *
; SI-SAFE: v_min_legacy_f32_e32 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}
; SI-NONAN: v_min_f32_e32 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}
define void @s_test_fmin_legacy_subreg_inputs_f32(<4 x float> addrspace(1)* %out, <4 x float> inreg %reg0) #0 {
%r0 = extractelement <4 x float> %reg0, i32 0
%r1 = extractelement <4 x float> %reg0, i32 1
%r2 = fcmp uge float %r0, %r1
%r3 = select i1 %r2, float %r1, float %r0
%vec = insertelement <4 x float> undef, float %r3, i32 0
store <4 x float> %vec, <4 x float> addrspace(1)* %out, align 16
ret void
}
; FUNC-LABEL: {{^}}s_test_fmin_legacy_ule_f32:
; SI-DAG: s_load_dword [[A:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xb
; SI-DAG: s_load_dword [[B:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xc
; SI-SAFE-DAG: v_mov_b32_e32 [[VA:v[0-9]+]], [[A]]
; SI-NONAN-DAG: v_mov_b32_e32 [[VB:v[0-9]+]], [[B]]
; SI-SAFE: v_min_legacy_f32_e32 {{v[0-9]+}}, [[B]], [[VA]]
; SI-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[A]], [[VB]]
define void @s_test_fmin_legacy_ule_f32(float addrspace(1)* %out, float %a, float %b) #0 {
%cmp = fcmp ule float %a, %b
%val = select i1 %cmp, float %a, float %b
store float %val, float addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @test_fmin_legacy_ule_f32
; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
; SI-SAFE: v_min_legacy_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
; SI-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
define void @test_fmin_legacy_ule_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
%tid = call i32 @llvm.r600.read.tidig.x() #1
%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
%a = load volatile float, float addrspace(1)* %gep.0, align 4
%b = load volatile float, float addrspace(1)* %gep.1, align 4
%cmp = fcmp ule float %a, %b
%val = select i1 %cmp, float %a, float %b
store float %val, float addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @test_fmin_legacy_ole_f32
; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
; SI-SAFE: v_min_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
; SI-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
define void @test_fmin_legacy_ole_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
%tid = call i32 @llvm.r600.read.tidig.x() #1
%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
%a = load volatile float, float addrspace(1)* %gep.0, align 4
%b = load volatile float, float addrspace(1)* %gep.1, align 4
%cmp = fcmp ole float %a, %b
%val = select i1 %cmp, float %a, float %b
store float %val, float addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @test_fmin_legacy_olt_f32
; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
; SI-SAFE: v_min_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
; SI-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
define void @test_fmin_legacy_olt_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
%tid = call i32 @llvm.r600.read.tidig.x() #1
%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
%a = load volatile float, float addrspace(1)* %gep.0, align 4
%b = load volatile float, float addrspace(1)* %gep.1, align 4
%cmp = fcmp olt float %a, %b
%val = select i1 %cmp, float %a, float %b
store float %val, float addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @test_fmin_legacy_ult_f32
; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
; SI-SAFE: v_min_legacy_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
; SI-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
define void @test_fmin_legacy_ult_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
%tid = call i32 @llvm.r600.read.tidig.x() #1
%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
%a = load volatile float, float addrspace(1)* %gep.0, align 4
%b = load volatile float, float addrspace(1)* %gep.1, align 4
%cmp = fcmp ult float %a, %b
%val = select i1 %cmp, float %a, float %b
store float %val, float addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}test_fmin_legacy_ult_v1f32:
; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
; SI-SAFE: v_min_legacy_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
; SI-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
define void @test_fmin_legacy_ult_v1f32(<1 x float> addrspace(1)* %out, <1 x float> addrspace(1)* %in) #0 {
%tid = call i32 @llvm.r600.read.tidig.x() #1
%gep.0 = getelementptr <1 x float>, <1 x float> addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr <1 x float>, <1 x float> addrspace(1)* %gep.0, i32 1
%a = load <1 x float>, <1 x float> addrspace(1)* %gep.0
%b = load <1 x float>, <1 x float> addrspace(1)* %gep.1
%cmp = fcmp ult <1 x float> %a, %b
%val = select <1 x i1> %cmp, <1 x float> %a, <1 x float> %b
store <1 x float> %val, <1 x float> addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}test_fmin_legacy_ult_v2f32:
; SI: buffer_load_dwordx2
; SI: buffer_load_dwordx2
; SI-SAFE: v_min_legacy_f32_e32
; SI-SAFE: v_min_legacy_f32_e32
; SI-NONAN: v_min_f32_e32
; SI-NONAN: v_min_f32_e32
define void @test_fmin_legacy_ult_v2f32(<2 x float> addrspace(1)* %out, <2 x float> addrspace(1)* %in) #0 {
%tid = call i32 @llvm.r600.read.tidig.x() #1
%gep.0 = getelementptr <2 x float>, <2 x float> addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr <2 x float>, <2 x float> addrspace(1)* %gep.0, i32 1
%a = load <2 x float>, <2 x float> addrspace(1)* %gep.0
%b = load <2 x float>, <2 x float> addrspace(1)* %gep.1
%cmp = fcmp ult <2 x float> %a, %b
%val = select <2 x i1> %cmp, <2 x float> %a, <2 x float> %b
store <2 x float> %val, <2 x float> addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}test_fmin_legacy_ult_v3f32:
; SI-SAFE: v_min_legacy_f32_e32
; SI-SAFE: v_min_legacy_f32_e32
; SI-SAFE: v_min_legacy_f32_e32
; SI-NONAN: v_min_f32_e32
; SI-NONAN: v_min_f32_e32
; SI-NONAN: v_min_f32_e32
define void @test_fmin_legacy_ult_v3f32(<3 x float> addrspace(1)* %out, <3 x float> addrspace(1)* %in) #0 {
%tid = call i32 @llvm.r600.read.tidig.x() #1
%gep.0 = getelementptr <3 x float>, <3 x float> addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr <3 x float>, <3 x float> addrspace(1)* %gep.0, i32 1
%a = load <3 x float>, <3 x float> addrspace(1)* %gep.0
%b = load <3 x float>, <3 x float> addrspace(1)* %gep.1
%cmp = fcmp ult <3 x float> %a, %b
%val = select <3 x i1> %cmp, <3 x float> %a, <3 x float> %b
store <3 x float> %val, <3 x float> addrspace(1)* %out
ret void
}
; FUNC-LABEL: @test_fmin_legacy_ole_f32_multi_use
; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
; SI-NOT: v_min
; SI: v_cmp_le_f32
; SI-NEXT: v_cndmask_b32
; SI-NOT: v_min
; SI: s_endpgm
define void @test_fmin_legacy_ole_f32_multi_use(float addrspace(1)* %out0, i1 addrspace(1)* %out1, float addrspace(1)* %in) #0 {
%tid = call i32 @llvm.r600.read.tidig.x() #1
%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
%a = load volatile float, float addrspace(1)* %gep.0, align 4
%b = load volatile float, float addrspace(1)* %gep.1, align 4
%cmp = fcmp ole float %a, %b
%val0 = select i1 %cmp, float %a, float %b
store float %val0, float addrspace(1)* %out0, align 4
store i1 %cmp, i1 addrspace(1)* %out1
ret void
}
attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }