diff options
Diffstat (limited to 'test/Transforms/InstCombine/maxnum.ll')
| -rw-r--r-- | test/Transforms/InstCombine/maxnum.ll | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/maxnum.ll b/test/Transforms/InstCombine/maxnum.ll new file mode 100644 index 0000000..585d9f4 --- /dev/null +++ b/test/Transforms/InstCombine/maxnum.ll @@ -0,0 +1,222 @@ +; RUN: opt -S -instcombine < %s | FileCheck %s + +declare float @llvm.maxnum.f32(float, float) #0 +declare float @llvm.maxnum.v2f32(<2 x float>, <2 x float>) #0 +declare <4 x float> @llvm.maxnum.v4f32(<4 x float>, <4 x float>) #0 + +declare double @llvm.maxnum.f64(double, double) #0 +declare <2 x double> @llvm.maxnum.v2f64(<2 x double>, <2 x double>) #0 + +; CHECK-LABEL: @constant_fold_maxnum_f32 +; CHECK-NEXT: ret float 2.000000e+00 +define float @constant_fold_maxnum_f32() #0 { + %x = call float @llvm.maxnum.f32(float 1.0, float 2.0) #0 + ret float %x +} + +; CHECK-LABEL: @constant_fold_maxnum_f32_inv +; CHECK-NEXT: ret float 2.000000e+00 +define float @constant_fold_maxnum_f32_inv() #0 { + %x = call float @llvm.maxnum.f32(float 2.0, float 1.0) #0 + ret float %x +} + +; CHECK-LABEL: @constant_fold_maxnum_f32_nan0 +; CHECK-NEXT: ret float 2.000000e+00 +define float @constant_fold_maxnum_f32_nan0() #0 { + %x = call float @llvm.maxnum.f32(float 0x7FF8000000000000, float 2.0) #0 + ret float %x +} + +; CHECK-LABEL: @constant_fold_maxnum_f32_nan1 +; CHECK-NEXT: ret float 2.000000e+00 +define float @constant_fold_maxnum_f32_nan1() #0 { + %x = call float @llvm.maxnum.f32(float 2.0, float 0x7FF8000000000000) #0 + ret float %x +} + +; CHECK-LABEL: @constant_fold_maxnum_f32_nan_nan +; CHECK-NEXT: ret float 0x7FF8000000000000 +define float @constant_fold_maxnum_f32_nan_nan() #0 { + %x = call float @llvm.maxnum.f32(float 0x7FF8000000000000, float 0x7FF8000000000000) #0 + ret float %x +} + +; CHECK-LABEL: @constant_fold_maxnum_f32_p0_p0 +; CHECK-NEXT: ret float 0.000000e+00 +define float @constant_fold_maxnum_f32_p0_p0() #0 { + %x = call float @llvm.maxnum.f32(float 0.0, float 0.0) #0 + ret float %x +} + +; CHECK-LABEL: @constant_fold_maxnum_f32_p0_n0 +; CHECK-NEXT: ret float 0.000000e+00 +define float @constant_fold_maxnum_f32_p0_n0() #0 { + %x = call float @llvm.maxnum.f32(float 0.0, float -0.0) #0 + ret float %x +} + +; CHECK-LABEL: @constant_fold_maxnum_f32_n0_p0 +; CHECK-NEXT: ret float -0.000000e+00 +define float @constant_fold_maxnum_f32_n0_p0() #0 { + %x = call float @llvm.maxnum.f32(float -0.0, float 0.0) #0 + ret float %x +} + +; CHECK-LABEL: @constant_fold_maxnum_f32_n0_n0 +; CHECK-NEXT: ret float -0.000000e+00 +define float @constant_fold_maxnum_f32_n0_n0() #0 { + %x = call float @llvm.maxnum.f32(float -0.0, float -0.0) #0 + ret float %x +} + +; CHECK-LABEL: @constant_fold_maxnum_v4f32 +; CHECK-NEXT: ret <4 x float> <float 2.000000e+00, float 8.000000e+00, float 1.000000e+01, float 9.000000e+00> +define <4 x float> @constant_fold_maxnum_v4f32() #0 { + %x = call <4 x float> @llvm.maxnum.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>) + ret <4 x float> %x +} + +; CHECK-LABEL: @constant_fold_maxnum_f64 +; CHECK-NEXT: ret double 2.000000e+00 +define double @constant_fold_maxnum_f64() #0 { + %x = call double @llvm.maxnum.f64(double 1.0, double 2.0) #0 + ret double %x +} + +; CHECK-LABEL: @constant_fold_maxnum_f64_nan0 +; CHECK-NEXT: ret double 2.000000e+00 +define double @constant_fold_maxnum_f64_nan0() #0 { + %x = call double @llvm.maxnum.f64(double 0x7FF8000000000000, double 2.0) #0 + ret double %x +} + +; CHECK-LABEL: @constant_fold_maxnum_f64_nan1 +; CHECK-NEXT: ret double 2.000000e+00 +define double @constant_fold_maxnum_f64_nan1() #0 { + %x = call double @llvm.maxnum.f64(double 2.0, double 0x7FF8000000000000) #0 + ret double %x +} + +; CHECK-LABEL: @constant_fold_maxnum_f64_nan_nan +; CHECK-NEXT: ret double 0x7FF8000000000000 +define double @constant_fold_maxnum_f64_nan_nan() #0 { + %x = call double @llvm.maxnum.f64(double 0x7FF8000000000000, double 0x7FF8000000000000) #0 + ret double %x +} + +; CHECK-LABEL: @canonicalize_constant_maxnum_f32 +; CHECK: call float @llvm.maxnum.f32(float %x, float 1.000000e+00) +define float @canonicalize_constant_maxnum_f32(float %x) #0 { + %y = call float @llvm.maxnum.f32(float 1.0, float %x) #0 + ret float %y +} + +; CHECK-LABEL: @noop_maxnum_f32 +; CHECK-NEXT: ret float %x +define float @noop_maxnum_f32(float %x) #0 { + %y = call float @llvm.maxnum.f32(float %x, float %x) #0 + ret float %y +} + +; CHECK-LABEL: @maxnum_f32_nan_val +; CHECK-NEXT: ret float %x +define float @maxnum_f32_nan_val(float %x) #0 { + %y = call float @llvm.maxnum.f32(float 0x7FF8000000000000, float %x) #0 + ret float %y +} + +; CHECK-LABEL: @maxnum_f32_val_nan +; CHECK-NEXT: ret float %x +define float @maxnum_f32_val_nan(float %x) #0 { + %y = call float @llvm.maxnum.f32(float %x, float 0x7FF8000000000000) #0 + ret float %y +} + +; CHECK-LABEL: @fold_maxnum_f32_undef_undef +; CHECK-NEXT: ret float undef +define float @fold_maxnum_f32_undef_undef(float %x) nounwind { + %val = call float @llvm.maxnum.f32(float undef, float undef) #0 + ret float %val +} + +; CHECK-LABEL: @fold_maxnum_f32_val_undef +; CHECK-NEXT: ret float %x +define float @fold_maxnum_f32_val_undef(float %x) nounwind { + %val = call float @llvm.maxnum.f32(float %x, float undef) #0 + ret float %val +} + +; CHECK-LABEL: @fold_maxnum_f32_undef_val +; CHECK-NEXT: ret float %x +define float @fold_maxnum_f32_undef_val(float %x) nounwind { + %val = call float @llvm.maxnum.f32(float undef, float %x) #0 + ret float %val +} + +; CHECK-LABEL: @maxnum_x_maxnum_x_y +; CHECK-NEXT: call float @llvm.maxnum.f32(float %x, float %y) +; CHECK-NEXT: ret float +define float @maxnum_x_maxnum_x_y(float %x, float %y) #0 { + %a = call float @llvm.maxnum.f32(float %x, float %y) #0 + %b = call float @llvm.maxnum.f32(float %x, float %a) #0 + ret float %b +} + +; CHECK-LABEL: @maxnum_y_maxnum_x_y +; CHECK-NEXT: call float @llvm.maxnum.f32(float %x, float %y) +; CHECK-NEXT: ret float +define float @maxnum_y_maxnum_x_y(float %x, float %y) #0 { + %a = call float @llvm.maxnum.f32(float %x, float %y) #0 + %b = call float @llvm.maxnum.f32(float %y, float %a) #0 + ret float %b +} + +; CHECK-LABEL: @maxnum_z_maxnum_x_y +; CHECK-NEXT: call float @llvm.maxnum.f32(float %x, float %y) +; CHECK-NEXT: call float @llvm.maxnum.f32(float %z, float %a) +; CHECK-NEXT: ret float +define float @maxnum_z_maxnum_x_y(float %x, float %y, float %z) #0 { + %a = call float @llvm.maxnum.f32(float %x, float %y) #0 + %b = call float @llvm.maxnum.f32(float %z, float %a) #0 + ret float %b +} + +; CHECK-LABEL: @maxnum_maxnum_x_y_z +; CHECK-NEXT: call float @llvm.maxnum.f32(float %x, float %y) +; CHECK-NEXT: call float @llvm.maxnum.f32(float %a, float %z) +; CHECK-NEXT: ret float +define float @maxnum_maxnum_x_y_z(float %x, float %y, float %z) #0 { + %a = call float @llvm.maxnum.f32(float %x, float %y) #0 + %b = call float @llvm.maxnum.f32(float %a, float %z) #0 + ret float %b +} + +; CHECK-LABEL: @maxnum4 +; CHECK-NEXT: call float @llvm.maxnum.f32(float %x, float %y) +; CHECK-NEXT: call float @llvm.maxnum.f32(float %z, float %w) +; CHECK-NEXT: call float @llvm.maxnum.f32(float %a, float %b) +; CHECK-NEXT: ret float +define float @maxnum4(float %x, float %y, float %z, float %w) #0 { + %a = call float @llvm.maxnum.f32(float %x, float %y) #0 + %b = call float @llvm.maxnum.f32(float %z, float %w) #0 + %c = call float @llvm.maxnum.f32(float %a, float %b) #0 + ret float %c +} + +; CHECK-LABEL: @fold_maxnum_f32_inf_val +; CHECK-NEXT: ret float 0x7FF0000000000000 +define float @fold_maxnum_f32_inf_val(float %x) nounwind { + %val = call float @llvm.maxnum.f32(float 0x7FF0000000000000, float %x) #0 + ret float %val +} + +; CHECK-LABEL: @fold_maxnum_f32_neginf_val +; CHECK-NEXT: call float @llvm.maxnum.f32(float %x, float 0xFFF0000000000000) +; CHECK-NEXT: ret float +define float @fold_maxnum_f32_neginf_val(float %x) nounwind { + %val = call float @llvm.maxnum.f32(float 0xFFF0000000000000, float %x) #0 + ret float %val +} + +attributes #0 = { nounwind readnone } |