llvm/test/CodeGen/AMDGPU/uint_to_fp.ll
Matt Arsenault 7eba65d30c AMDGPU: Use unsigned compare for eq/ne
For some reason there are both of these available, except
for scalar 64-bit compares which only has u64. I'm not sure
why there are both (I'm guessing it's for the one bit inputs we
don't use), but for consistency always using the
unsigned one.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@282832 91177308-0d34-0410-b5e6-96231b3b80d8
2016-09-30 01:50:20 +00:00

140 lines
4.9 KiB
LLVM

; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s
; FUNC-LABEL: {{^}}s_uint_to_fp_i32_to_f32:
; SI: v_cvt_f32_u32_e32
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW]}}, KC0[2].Z
define void @s_uint_to_fp_i32_to_f32(float addrspace(1)* %out, i32 %in) #0 {
%result = uitofp i32 %in to float
store float %result, float addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}v_uint_to_fp_i32_to_f32:
; SI: v_cvt_f32_u32_e32 {{v[0-9]+}}, {{v[0-9]+$}}
; R600: INT_TO_FLT
define void @v_uint_to_fp_i32_to_f32(float addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
%tid = call i32 @llvm.r600.read.tidig.x()
%in.gep = getelementptr i32, i32 addrspace(1)* %in, i32 %tid
%out.gep = getelementptr float, float addrspace(1)* %out, i32 %tid
%val = load i32, i32 addrspace(1)* %in.gep
%result = uitofp i32 %val to float
store float %result, float addrspace(1)* %out.gep
ret void
}
; FUNC-LABEL: {{^}}s_uint_to_fp_v2i32_to_v2f32:
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32
; R600-DAG: UINT_TO_FLT * T{{[0-9]+\.[XYZW]}}, KC0[2].W
; R600-DAG: UINT_TO_FLT * T{{[0-9]+\.[XYZW]}}, KC0[3].X
define void @s_uint_to_fp_v2i32_to_v2f32(<2 x float> addrspace(1)* %out, <2 x i32> %in) #0 {
%result = uitofp <2 x i32> %in to <2 x float>
store <2 x float> %result, <2 x float> addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}s_uint_to_fp_v4i32_to_v4f32:
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32
; SI: s_endpgm
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
define void @s_uint_to_fp_v4i32_to_v4f32(<4 x float> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) #0 {
%value = load <4 x i32>, <4 x i32> addrspace(1) * %in
%result = uitofp <4 x i32> %value to <4 x float>
store <4 x float> %result, <4 x float> addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}v_uint_to_fp_v4i32:
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
define void @v_uint_to_fp_v4i32(<4 x float> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) #0 {
%tid = call i32 @llvm.r600.read.tidig.x()
%in.gep = getelementptr <4 x i32>, <4 x i32> addrspace(1)* %in, i32 %tid
%out.gep = getelementptr <4 x float>, <4 x float> addrspace(1)* %out, i32 %tid
%value = load <4 x i32>, <4 x i32> addrspace(1)* %in.gep
%result = uitofp <4 x i32> %value to <4 x float>
store <4 x float> %result, <4 x float> addrspace(1)* %out.gep
ret void
}
; FUNC-LABEL: {{^}}s_uint_to_fp_i1_to_f32:
; SI: v_cmp_eq_u32_e64 [[CMP:s\[[0-9]+:[0-9]\]]],
; SI-NEXT: v_cndmask_b32_e64 [[RESULT:v[0-9]+]], 0, 1.0, [[CMP]]
; SI: buffer_store_dword [[RESULT]],
; SI: s_endpgm
define void @s_uint_to_fp_i1_to_f32(float addrspace(1)* %out, i32 %in) #0 {
%cmp = icmp eq i32 %in, 0
%fp = uitofp i1 %cmp to float
store float %fp, float addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}s_uint_to_fp_i1_to_f32_load:
; SI: v_cndmask_b32_e64 [[RESULT:v[0-9]+]], 0, 1.0
; SI: buffer_store_dword [[RESULT]],
; SI: s_endpgm
define void @s_uint_to_fp_i1_to_f32_load(float addrspace(1)* %out, i1 %in) #0 {
%fp = uitofp i1 %in to float
store float %fp, float addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}v_uint_to_fp_i1_f32_load:
; SI: {{buffer|flat}}_load_ubyte
; SI: v_and_b32_e32 {{v[0-9]+}}, 1, {{v[0-9]+}}
; SI: v_cmp_eq_u32
; SI: v_cndmask_b32_e64 [[RESULT:v[0-9]+]], 0, 1.0
; SI: {{buffer|flat}}_store_dword {{.*}}[[RESULT]]
; SI: s_endpgm
define void @v_uint_to_fp_i1_f32_load(float addrspace(1)* %out, i1 addrspace(1)* %in) #0 {
%tid = call i32 @llvm.r600.read.tidig.x()
%in.gep = getelementptr i1, i1 addrspace(1)* %in, i32 %tid
%out.gep = getelementptr float, float addrspace(1)* %out, i32 %tid
%val = load i1, i1 addrspace(1)* %in.gep
%fp = uitofp i1 %val to float
store float %fp, float addrspace(1)* %out.gep
ret void
}
; FIXME: Repeated here to test r600
; FUNC-LABEL: {{^}}s_uint_to_fp_i64_to_f32:
; R600: FFBH_UINT
; R600: FFBH_UINT
; R600: CNDE_INT
; R600: CNDE_INT
; R600-DAG: SETGT_UINT
; R600-DAG: SETGT_UINT
; R600-DAG: SETE_INT
define void @s_uint_to_fp_i64_to_f32(float addrspace(1)* %out, i64 %in) #0 {
entry:
%cvt = uitofp i64 %in to float
store float %cvt, float addrspace(1)* %out
ret void
}
declare i32 @llvm.r600.read.tidig.x() #1
attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }