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llvm-mirror/test/CodeGen/AMDGPU/fmax_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

157 lines
6.8 KiB
LLVM

; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=SI-SAFE -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
; FUNC-LABEL: @test_fmax_legacy_uge_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_max_legacy_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
; SI-NONAN: v_max_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
; EG: MAX
define void @test_fmax_legacy_uge_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 uge 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_fmax_legacy_oge_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_max_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
; SI-NONAN: v_max_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
; EG: MAX
define void @test_fmax_legacy_oge_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 oge 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_fmax_legacy_ugt_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_max_legacy_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
; SI-NONAN: v_max_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
; EG: MAX
define void @test_fmax_legacy_ugt_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 ugt 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_fmax_legacy_ogt_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_max_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
; SI-NONAN: v_max_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
; EG: MAX
define void @test_fmax_legacy_ogt_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 ogt 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_fmax_legacy_ogt_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_max_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
; SI-NONAN: v_max_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
; EG: MAX
define void @test_fmax_legacy_ogt_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 ogt <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_fmax_legacy_ogt_v3f32:
; SI-SAFE: v_max_legacy_f32_e32
; SI-SAFE: v_max_legacy_f32_e32
; SI-SAFE: v_max_legacy_f32_e32
; SI-NONAN: v_max_f32_e32
; SI-NONAN: v_max_f32_e32
; SI-NONAN: v_max_f32_e32
define void @test_fmax_legacy_ogt_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 ogt <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_fmax_legacy_ogt_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_max_
; SI: v_cmp_gt_f32
; SI-NEXT: v_cndmask_b32
; SI-NOT: v_max_
; EG: MAX
define void @test_fmax_legacy_ogt_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 ogt float %a, %b
%val = select i1 %cmp, float %a, float %b
store float %val, float addrspace(1)* %out0, align 4
store i1 %cmp, i1addrspace(1)* %out1
ret void
}
attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }