llvm-6502/test/CodeGen/R600/fmax_legacy.ll
Matt Arsenault 7fc3bdab6a R600/SI: Only form min/max with 1 use.
If the condition is used for something else, this increases
the number of instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224646 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-19 23:15:30 +00:00

109 lines
4.3 KiB
LLVM

; RUN: llc -march=r600 -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
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: v_max_legacy_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 addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr float addrspace(1)* %gep.0, i32 1
%a = load float addrspace(1)* %gep.0, align 4
%b = load 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: v_max_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
; 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 addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr float addrspace(1)* %gep.0, i32 1
%a = load float addrspace(1)* %gep.0, align 4
%b = load 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: v_max_legacy_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 addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr float addrspace(1)* %gep.0, i32 1
%a = load float addrspace(1)* %gep.0, align 4
%b = load 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: v_max_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
; 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 addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr float addrspace(1)* %gep.0, i32 1
%a = load float addrspace(1)* %gep.0, align 4
%b = load 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_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 addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr float addrspace(1)* %gep.0, i32 1
%a = load float addrspace(1)* %gep.0, align 4
%b = load 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 }