1 ; RUN: llc -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
3 declare float @llvm.fabs.f32(float) #1
4 declare float @llvm.floor.f32(float) #1
6 ; FUNC-LABEL: {{^}}cvt_rpi_i32_f32:
7 ; SI: v_cvt_rpi_i32_f32_e32 v{{[0-9]+}}, s{{[0-9]+}}
9 define void @cvt_rpi_i32_f32(i32 addrspace(1)* %out, float %x) #0 {
10 %fadd = fadd float %x, 0.5
11 %floor = call float @llvm.floor.f32(float %fadd) #1
12 %cvt = fptosi float %floor to i32
13 store i32 %cvt, i32 addrspace(1)* %out
17 ; FUNC-LABEL: {{^}}cvt_rpi_i32_f32_fabs:
18 ; SI: v_cvt_rpi_i32_f32_e64 v{{[0-9]+}}, |s{{[0-9]+}}|{{$}}
20 define void @cvt_rpi_i32_f32_fabs(i32 addrspace(1)* %out, float %x) #0 {
21 %x.fabs = call float @llvm.fabs.f32(float %x) #1
22 %fadd = fadd float %x.fabs, 0.5
23 %floor = call float @llvm.floor.f32(float %fadd) #1
24 %cvt = fptosi float %floor to i32
25 store i32 %cvt, i32 addrspace(1)* %out
29 ; FIXME: This doesn't work because it forms fsub 0.5, x
30 ; FUNC-LABEL: {{^}}cvt_rpi_i32_f32_fneg:
31 ; XSI: v_cvt_rpi_i32_f32_e64 v{{[0-9]+}}, -s{{[0-9]+}}
32 ; SI: v_sub_f32_e64 [[TMP:v[0-9]+]], 0.5, s{{[0-9]+}}
33 ; SI: v_cvt_flr_i32_f32_e32 {{v[0-9]+}}, [[TMP]]
35 define void @cvt_rpi_i32_f32_fneg(i32 addrspace(1)* %out, float %x) #0 {
36 %x.fneg = fsub float -0.000000e+00, %x
37 %fadd = fadd float %x.fneg, 0.5
38 %floor = call float @llvm.floor.f32(float %fadd) #1
39 %cvt = fptosi float %floor to i32
40 store i32 %cvt, i32 addrspace(1)* %out
44 ; FIXME: This doesn't work for same reason as above
45 ; FUNC-LABEL: {{^}}cvt_rpi_i32_f32_fabs_fneg:
46 ; XSI: v_cvt_rpi_i32_f32_e64 v{{[0-9]+}}, -|s{{[0-9]+}}|
48 ; SI: v_sub_f32_e64 [[TMP:v[0-9]+]], 0.5, |s{{[0-9]+}}|
49 ; SI: v_cvt_flr_i32_f32_e32 {{v[0-9]+}}, [[TMP]]
51 define void @cvt_rpi_i32_f32_fabs_fneg(i32 addrspace(1)* %out, float %x) #0 {
52 %x.fabs = call float @llvm.fabs.f32(float %x) #1
53 %x.fabs.fneg = fsub float -0.000000e+00, %x.fabs
54 %fadd = fadd float %x.fabs.fneg, 0.5
55 %floor = call float @llvm.floor.f32(float %fadd) #1
56 %cvt = fptosi float %floor to i32
57 store i32 %cvt, i32 addrspace(1)* %out
61 ; FUNC-LABEL: {{^}}no_cvt_rpi_i32_f32_0:
62 ; SI-NOT: v_cvt_rpi_i32_f32
67 define void @no_cvt_rpi_i32_f32_0(i32 addrspace(1)* %out, float %x) #0 {
68 %fadd = fadd float %x, 0.5
69 %floor = call float @llvm.floor.f32(float %fadd) #1
70 %cvt = fptoui float %floor to i32
71 store i32 %cvt, i32 addrspace(1)* %out
75 attributes #0 = { nounwind }
76 attributes #1 = { nounwind readnone }