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293 lines
7.1 KiB
293 lines
7.1 KiB
; RUN: llc < %s | FileCheck %s
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target triple = "nvptx64-nvidia-cuda"
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; Checks that llvm intrinsics for math functions are correctly lowered to PTX.
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declare float @llvm.ceil.f32(float) #0
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declare double @llvm.ceil.f64(double) #0
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declare float @llvm.floor.f32(float) #0
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declare double @llvm.floor.f64(double) #0
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declare float @llvm.round.f32(float) #0
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declare double @llvm.round.f64(double) #0
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declare float @llvm.nearbyint.f32(float) #0
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declare double @llvm.nearbyint.f64(double) #0
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declare float @llvm.rint.f32(float) #0
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declare double @llvm.rint.f64(double) #0
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declare float @llvm.trunc.f32(float) #0
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declare double @llvm.trunc.f64(double) #0
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declare float @llvm.fabs.f32(float) #0
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declare double @llvm.fabs.f64(double) #0
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declare float @llvm.minnum.f32(float, float) #0
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declare double @llvm.minnum.f64(double, double) #0
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declare float @llvm.maxnum.f32(float, float) #0
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declare double @llvm.maxnum.f64(double, double) #0
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declare float @llvm.fma.f32(float, float, float) #0
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declare double @llvm.fma.f64(double, double, double) #0
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; ---- ceil ----
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; CHECK-LABEL: ceil_float
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define float @ceil_float(float %a) {
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; CHECK: cvt.rpi.f32.f32
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%b = call float @llvm.ceil.f32(float %a)
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ret float %b
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}
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; CHECK-LABEL: ceil_float_ftz
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define float @ceil_float_ftz(float %a) #1 {
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; CHECK: cvt.rpi.ftz.f32.f32
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%b = call float @llvm.ceil.f32(float %a)
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ret float %b
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}
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; CHECK-LABEL: ceil_double
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define double @ceil_double(double %a) {
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; CHECK: cvt.rpi.f64.f64
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%b = call double @llvm.ceil.f64(double %a)
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ret double %b
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}
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; ---- floor ----
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; CHECK-LABEL: floor_float
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define float @floor_float(float %a) {
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; CHECK: cvt.rmi.f32.f32
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%b = call float @llvm.floor.f32(float %a)
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ret float %b
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}
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; CHECK-LABEL: floor_float_ftz
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define float @floor_float_ftz(float %a) #1 {
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; CHECK: cvt.rmi.ftz.f32.f32
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%b = call float @llvm.floor.f32(float %a)
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ret float %b
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}
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; CHECK-LABEL: floor_double
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define double @floor_double(double %a) {
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; CHECK: cvt.rmi.f64.f64
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%b = call double @llvm.floor.f64(double %a)
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ret double %b
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}
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; ---- round ----
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; CHECK-LABEL: round_float
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define float @round_float(float %a) {
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; check the use of sign mask and 0.5 to implement round
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; CHECK: and.b32 [[R1:%r[0-9]+]], {{.*}}, -2147483648;
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; CHECK: or.b32 {{.*}}, [[R1]], 1056964608;
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%b = call float @llvm.round.f32(float %a)
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ret float %b
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}
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; CHECK-LABEL: round_float_ftz
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define float @round_float_ftz(float %a) #1 {
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; check the use of sign mask and 0.5 to implement round
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; CHECK: and.b32 [[R1:%r[0-9]+]], {{.*}}, -2147483648;
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; CHECK: or.b32 {{.*}}, [[R1]], 1056964608;
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%b = call float @llvm.round.f32(float %a)
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ret float %b
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}
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; CHECK-LABEL: round_double
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define double @round_double(double %a) {
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; check the use of 0.5 to implement round
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; CHECK: setp.lt.f64 {{.*}}, [[R:%fd[0-9]+]], 0d3FE0000000000000;
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; CHECK: add.rn.f64 {{.*}}, [[R]], 0d3FE0000000000000;
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%b = call double @llvm.round.f64(double %a)
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ret double %b
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}
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; ---- nearbyint ----
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; CHECK-LABEL: nearbyint_float
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define float @nearbyint_float(float %a) {
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; CHECK: cvt.rni.f32.f32
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%b = call float @llvm.nearbyint.f32(float %a)
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ret float %b
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}
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; CHECK-LABEL: nearbyint_float_ftz
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define float @nearbyint_float_ftz(float %a) #1 {
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; CHECK: cvt.rni.ftz.f32.f32
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%b = call float @llvm.nearbyint.f32(float %a)
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ret float %b
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}
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; CHECK-LABEL: nearbyint_double
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define double @nearbyint_double(double %a) {
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; CHECK: cvt.rni.f64.f64
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%b = call double @llvm.nearbyint.f64(double %a)
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ret double %b
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}
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; ---- rint ----
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; CHECK-LABEL: rint_float
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define float @rint_float(float %a) {
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; CHECK: cvt.rni.f32.f32
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%b = call float @llvm.rint.f32(float %a)
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ret float %b
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}
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; CHECK-LABEL: rint_float_ftz
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define float @rint_float_ftz(float %a) #1 {
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; CHECK: cvt.rni.ftz.f32.f32
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%b = call float @llvm.rint.f32(float %a)
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ret float %b
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}
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; CHECK-LABEL: rint_double
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define double @rint_double(double %a) {
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; CHECK: cvt.rni.f64.f64
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%b = call double @llvm.rint.f64(double %a)
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ret double %b
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}
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; ---- trunc ----
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; CHECK-LABEL: trunc_float
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define float @trunc_float(float %a) {
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; CHECK: cvt.rzi.f32.f32
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%b = call float @llvm.trunc.f32(float %a)
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ret float %b
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}
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; CHECK-LABEL: trunc_float_ftz
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define float @trunc_float_ftz(float %a) #1 {
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; CHECK: cvt.rzi.ftz.f32.f32
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%b = call float @llvm.trunc.f32(float %a)
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ret float %b
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}
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; CHECK-LABEL: trunc_double
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define double @trunc_double(double %a) {
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; CHECK: cvt.rzi.f64.f64
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%b = call double @llvm.trunc.f64(double %a)
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ret double %b
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}
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; ---- abs ----
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; CHECK-LABEL: abs_float
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define float @abs_float(float %a) {
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; CHECK: abs.f32
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%b = call float @llvm.fabs.f32(float %a)
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ret float %b
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}
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; CHECK-LABEL: abs_float_ftz
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define float @abs_float_ftz(float %a) #1 {
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; CHECK: abs.ftz.f32
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%b = call float @llvm.fabs.f32(float %a)
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ret float %b
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}
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; CHECK-LABEL: abs_double
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define double @abs_double(double %a) {
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; CHECK: abs.f64
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%b = call double @llvm.fabs.f64(double %a)
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ret double %b
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}
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; ---- min ----
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; CHECK-LABEL: min_float
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define float @min_float(float %a, float %b) {
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; CHECK: min.f32
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%x = call float @llvm.minnum.f32(float %a, float %b)
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ret float %x
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}
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; CHECK-LABEL: min_imm1
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define float @min_imm1(float %a) {
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; CHECK: min.f32
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%x = call float @llvm.minnum.f32(float %a, float 0.0)
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ret float %x
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}
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; CHECK-LABEL: min_imm2
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define float @min_imm2(float %a) {
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; CHECK: min.f32
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%x = call float @llvm.minnum.f32(float 0.0, float %a)
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ret float %x
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}
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; CHECK-LABEL: min_float_ftz
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define float @min_float_ftz(float %a, float %b) #1 {
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; CHECK: min.ftz.f32
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%x = call float @llvm.minnum.f32(float %a, float %b)
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ret float %x
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}
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; CHECK-LABEL: min_double
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define double @min_double(double %a, double %b) {
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; CHECK: min.f64
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%x = call double @llvm.minnum.f64(double %a, double %b)
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ret double %x
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}
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; ---- max ----
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; CHECK-LABEL: max_imm1
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define float @max_imm1(float %a) {
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; CHECK: max.f32
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%x = call float @llvm.maxnum.f32(float %a, float 0.0)
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ret float %x
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}
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; CHECK-LABEL: max_imm2
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define float @max_imm2(float %a) {
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; CHECK: max.f32
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%x = call float @llvm.maxnum.f32(float 0.0, float %a)
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ret float %x
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}
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; CHECK-LABEL: max_float
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define float @max_float(float %a, float %b) {
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; CHECK: max.f32
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%x = call float @llvm.maxnum.f32(float %a, float %b)
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ret float %x
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}
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; CHECK-LABEL: max_float_ftz
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define float @max_float_ftz(float %a, float %b) #1 {
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; CHECK: max.ftz.f32
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%x = call float @llvm.maxnum.f32(float %a, float %b)
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ret float %x
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}
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; CHECK-LABEL: max_double
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define double @max_double(double %a, double %b) {
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; CHECK: max.f64
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%x = call double @llvm.maxnum.f64(double %a, double %b)
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ret double %x
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}
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; ---- fma ----
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; CHECK-LABEL: @fma_float
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define float @fma_float(float %a, float %b, float %c) {
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; CHECK: fma.rn.f32
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%x = call float @llvm.fma.f32(float %a, float %b, float %c)
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ret float %x
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}
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; CHECK-LABEL: @fma_float_ftz
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define float @fma_float_ftz(float %a, float %b, float %c) #1 {
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; CHECK: fma.rn.ftz.f32
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%x = call float @llvm.fma.f32(float %a, float %b, float %c)
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ret float %x
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}
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; CHECK-LABEL: @fma_double
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define double @fma_double(double %a, double %b, double %c) {
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; CHECK: fma.rn.f64
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%x = call double @llvm.fma.f64(double %a, double %b, double %c)
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ret double %x
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}
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attributes #0 = { nounwind readnone }
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attributes #1 = { "denormal-fp-math-f32" = "preserve-sign" }
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