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245 lines
8.1 KiB
245 lines
8.1 KiB
; RUN: opt -S -instcombine < %s | FileCheck %s
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declare float @llvm.minnum.f32(float, float) #0
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declare float @llvm.minnum.v2f32(<2 x float>, <2 x float>) #0
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declare <4 x float> @llvm.minnum.v4f32(<4 x float>, <4 x float>) #0
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declare double @llvm.minnum.f64(double, double) #0
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declare <2 x double> @llvm.minnum.v2f64(<2 x double>, <2 x double>) #0
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declare float @llvm.maxnum.f32(float, float) #0
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; CHECK-LABEL: @constant_fold_minnum_f32
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; CHECK-NEXT: ret float 1.000000e+00
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define float @constant_fold_minnum_f32() #0 {
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%x = call float @llvm.minnum.f32(float 1.0, float 2.0) #0
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ret float %x
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}
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; CHECK-LABEL: @constant_fold_minnum_f32_inv
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; CHECK-NEXT: ret float 1.000000e+00
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define float @constant_fold_minnum_f32_inv() #0 {
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%x = call float @llvm.minnum.f32(float 2.0, float 1.0) #0
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ret float %x
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}
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; CHECK-LABEL: @constant_fold_minnum_f32_nan0
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; CHECK-NEXT: ret float 2.000000e+00
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define float @constant_fold_minnum_f32_nan0() #0 {
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%x = call float @llvm.minnum.f32(float 0x7FF8000000000000, float 2.0) #0
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ret float %x
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}
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; CHECK-LABEL: @constant_fold_minnum_f32_nan1
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; CHECK-NEXT: ret float 2.000000e+00
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define float @constant_fold_minnum_f32_nan1() #0 {
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%x = call float @llvm.minnum.f32(float 2.0, float 0x7FF8000000000000) #0
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ret float %x
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}
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; CHECK-LABEL: @constant_fold_minnum_f32_nan_nan
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; CHECK-NEXT: ret float 0x7FF8000000000000
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define float @constant_fold_minnum_f32_nan_nan() #0 {
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%x = call float @llvm.minnum.f32(float 0x7FF8000000000000, float 0x7FF8000000000000) #0
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ret float %x
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}
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; CHECK-LABEL: @constant_fold_minnum_f32_p0_p0
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; CHECK-NEXT: ret float 0.000000e+00
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define float @constant_fold_minnum_f32_p0_p0() #0 {
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%x = call float @llvm.minnum.f32(float 0.0, float 0.0) #0
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ret float %x
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}
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; CHECK-LABEL: @constant_fold_minnum_f32_p0_n0
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; CHECK-NEXT: ret float 0.000000e+00
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define float @constant_fold_minnum_f32_p0_n0() #0 {
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%x = call float @llvm.minnum.f32(float 0.0, float -0.0) #0
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ret float %x
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}
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; CHECK-LABEL: @constant_fold_minnum_f32_n0_p0
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; CHECK-NEXT: ret float -0.000000e+00
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define float @constant_fold_minnum_f32_n0_p0() #0 {
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%x = call float @llvm.minnum.f32(float -0.0, float 0.0) #0
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ret float %x
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}
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; CHECK-LABEL: @constant_fold_minnum_f32_n0_n0
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; CHECK-NEXT: ret float -0.000000e+00
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define float @constant_fold_minnum_f32_n0_n0() #0 {
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%x = call float @llvm.minnum.f32(float -0.0, float -0.0) #0
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ret float %x
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}
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; CHECK-LABEL: @constant_fold_minnum_v4f32
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; CHECK-NEXT: ret <4 x float> <float 1.000000e+00, float 2.000000e+00, float 3.000000e+00, float 5.000000e+00>
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define <4 x float> @constant_fold_minnum_v4f32() #0 {
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%x = call <4 x float> @llvm.minnum.v4f32(<4 x float> <float 1.0, float 8.0, float 3.0, float 9.0>, <4 x float> <float 2.0, float 2.0, float 10.0, float 5.0>)
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ret <4 x float> %x
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}
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; CHECK-LABEL: @constant_fold_minnum_f64
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; CHECK-NEXT: ret double 1.000000e+00
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define double @constant_fold_minnum_f64() #0 {
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%x = call double @llvm.minnum.f64(double 1.0, double 2.0) #0
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ret double %x
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}
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; CHECK-LABEL: @constant_fold_minnum_f64_nan0
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; CHECK-NEXT: ret double 2.000000e+00
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define double @constant_fold_minnum_f64_nan0() #0 {
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%x = call double @llvm.minnum.f64(double 0x7FF8000000000000, double 2.0) #0
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ret double %x
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}
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; CHECK-LABEL: @constant_fold_minnum_f64_nan1
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; CHECK-NEXT: ret double 2.000000e+00
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define double @constant_fold_minnum_f64_nan1() #0 {
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%x = call double @llvm.minnum.f64(double 2.0, double 0x7FF8000000000000) #0
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ret double %x
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}
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; CHECK-LABEL: @constant_fold_minnum_f64_nan_nan
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; CHECK-NEXT: ret double 0x7FF8000000000000
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define double @constant_fold_minnum_f64_nan_nan() #0 {
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%x = call double @llvm.minnum.f64(double 0x7FF8000000000000, double 0x7FF8000000000000) #0
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ret double %x
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}
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; CHECK-LABEL: @canonicalize_constant_minnum_f32
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; CHECK: call float @llvm.minnum.f32(float %x, float 1.000000e+00)
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define float @canonicalize_constant_minnum_f32(float %x) #0 {
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%y = call float @llvm.minnum.f32(float 1.0, float %x) #0
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ret float %y
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}
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; CHECK-LABEL: @noop_minnum_f32
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; CHECK-NEXT: ret float %x
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define float @noop_minnum_f32(float %x) #0 {
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%y = call float @llvm.minnum.f32(float %x, float %x) #0
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ret float %y
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}
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; CHECK-LABEL: @minnum_f32_nan_val
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; CHECK-NEXT: ret float %x
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define float @minnum_f32_nan_val(float %x) #0 {
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%y = call float @llvm.minnum.f32(float 0x7FF8000000000000, float %x) #0
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ret float %y
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}
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; CHECK-LABEL: @minnum_f32_val_nan
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; CHECK-NEXT: ret float %x
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define float @minnum_f32_val_nan(float %x) #0 {
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%y = call float @llvm.minnum.f32(float %x, float 0x7FF8000000000000) #0
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ret float %y
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}
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; CHECK-LABEL: @fold_minnum_f32_undef_undef
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; CHECK-NEXT: ret float undef
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define float @fold_minnum_f32_undef_undef(float %x) nounwind {
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%val = call float @llvm.minnum.f32(float undef, float undef) #0
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ret float %val
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}
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; CHECK-LABEL: @fold_minnum_f32_val_undef
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; CHECK-NEXT: ret float %x
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define float @fold_minnum_f32_val_undef(float %x) nounwind {
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%val = call float @llvm.minnum.f32(float %x, float undef) #0
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ret float %val
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}
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; CHECK-LABEL: @fold_minnum_f32_undef_val
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; CHECK-NEXT: ret float %x
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define float @fold_minnum_f32_undef_val(float %x) nounwind {
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%val = call float @llvm.minnum.f32(float undef, float %x) #0
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ret float %val
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}
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; CHECK-LABEL: @minnum_x_minnum_x_y
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; CHECK-NEXT: call float @llvm.minnum.f32(float %x, float %y)
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; CHECK-NEXT: ret float
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define float @minnum_x_minnum_x_y(float %x, float %y) #0 {
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%a = call float @llvm.minnum.f32(float %x, float %y) #0
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%b = call float @llvm.minnum.f32(float %x, float %a) #0
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ret float %b
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}
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; CHECK-LABEL: @minnum_y_minnum_x_y
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; CHECK-NEXT: call float @llvm.minnum.f32(float %x, float %y)
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; CHECK-NEXT: ret float
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define float @minnum_y_minnum_x_y(float %x, float %y) #0 {
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%a = call float @llvm.minnum.f32(float %x, float %y) #0
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%b = call float @llvm.minnum.f32(float %y, float %a) #0
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ret float %b
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}
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; CHECK-LABEL: @minnum_z_minnum_x_y
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; CHECK-NEXT: call float @llvm.minnum.f32(float %x, float %y)
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; CHECK-NEXT: call float @llvm.minnum.f32(float %z, float %a)
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; CHECK-NEXT: ret float
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define float @minnum_z_minnum_x_y(float %x, float %y, float %z) #0 {
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%a = call float @llvm.minnum.f32(float %x, float %y) #0
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%b = call float @llvm.minnum.f32(float %z, float %a) #0
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ret float %b
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}
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; CHECK-LABEL: @minnum_minnum_x_y_z
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; CHECK-NEXT: call float @llvm.minnum.f32(float %x, float %y)
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; CHECK-NEXT: call float @llvm.minnum.f32(float %a, float %z)
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; CHECK-NEXT: ret float
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define float @minnum_minnum_x_y_z(float %x, float %y, float %z) #0 {
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%a = call float @llvm.minnum.f32(float %x, float %y) #0
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%b = call float @llvm.minnum.f32(float %a, float %z) #0
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ret float %b
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}
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; CHECK-LABEL: @minnum4
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; CHECK-NEXT: call float @llvm.minnum.f32(float %x, float %y)
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; CHECK-NEXT: call float @llvm.minnum.f32(float %z, float %w)
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; CHECK-NEXT: call float @llvm.minnum.f32(float %a, float %b)
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; CHECK-NEXT: ret float
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define float @minnum4(float %x, float %y, float %z, float %w) #0 {
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%a = call float @llvm.minnum.f32(float %x, float %y) #0
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%b = call float @llvm.minnum.f32(float %z, float %w) #0
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%c = call float @llvm.minnum.f32(float %a, float %b) #0
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ret float %c
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}
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; CHECK-LABEL: @minnum_x_maxnum_x_y
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; CHECK-NEXT: call float @llvm.maxnum.f32
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; CHECK-NEXT: call float @llvm.minnum.f32
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; CHECK-NEXT: ret float
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define float @minnum_x_maxnum_x_y(float %x, float %y) #0 {
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%a = call float @llvm.maxnum.f32(float %x, float %y) #0
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%b = call float @llvm.minnum.f32(float %x, float %a) #0
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ret float %b
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}
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; CHECK-LABEL: @maxnum_x_minnum_x_y
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; CHECK-NEXT: call float @llvm.minnum.f32
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; CHECK-NEXT: call float @llvm.maxnum.f32
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; CHECK-NEXT: ret float
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define float @maxnum_x_minnum_x_y(float %x, float %y) #0 {
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%a = call float @llvm.minnum.f32(float %x, float %y) #0
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%b = call float @llvm.maxnum.f32(float %x, float %a) #0
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ret float %b
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}
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; CHECK-LABEL: @fold_minnum_f32_inf_val
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; CHECK-NEXT: call float @llvm.minnum.f32(float %x, float 0x7FF0000000000000)
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; CHECK-NEXT: ret float
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define float @fold_minnum_f32_inf_val(float %x) nounwind {
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%val = call float @llvm.minnum.f32(float 0x7FF0000000000000, float %x) #0
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ret float %val
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}
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; CHECK-LABEL: @fold_minnum_f32_minf_val
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; CHECK-NEXT: ret float 0xFFF0000000000000
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define float @fold_minnum_f32_minf_val(float %x) nounwind {
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%val = call float @llvm.minnum.f32(float 0xFFF0000000000000, float %x) #0
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ret float %val
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}
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attributes #0 = { nounwind readnone }
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