| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -passes=instcombine < %s | FileCheck %s |
| |
| declare float @llvm.maxnum.f32(float, float) |
| declare <2 x float> @llvm.maxnum.v2f32(<2 x float>, <2 x float>) |
| declare <4 x float> @llvm.maxnum.v4f32(<4 x float>, <4 x float>) |
| |
| declare double @llvm.maxnum.f64(double, double) |
| declare <2 x double> @llvm.maxnum.v2f64(<2 x double>, <2 x double>) |
| |
| define float @constant_fold_maxnum_f32() { |
| ; CHECK-LABEL: @constant_fold_maxnum_f32( |
| ; CHECK-NEXT: ret float 2.000000e+00 |
| ; |
| %x = call float @llvm.maxnum.f32(float 1.0, float 2.0) |
| ret float %x |
| } |
| |
| define float @constant_fold_maxnum_f32_inv() { |
| ; CHECK-LABEL: @constant_fold_maxnum_f32_inv( |
| ; CHECK-NEXT: ret float 2.000000e+00 |
| ; |
| %x = call float @llvm.maxnum.f32(float 2.0, float 1.0) |
| ret float %x |
| } |
| |
| define float @constant_fold_maxnum_f32_nan0() { |
| ; CHECK-LABEL: @constant_fold_maxnum_f32_nan0( |
| ; CHECK-NEXT: ret float 2.000000e+00 |
| ; |
| %x = call float @llvm.maxnum.f32(float 0x7FF8000000000000, float 2.0) |
| ret float %x |
| } |
| |
| define float @constant_fold_maxnum_f32_nan1() { |
| ; CHECK-LABEL: @constant_fold_maxnum_f32_nan1( |
| ; CHECK-NEXT: ret float 2.000000e+00 |
| ; |
| %x = call float @llvm.maxnum.f32(float 2.0, float 0x7FF8000000000000) |
| ret float %x |
| } |
| |
| define float @constant_fold_maxnum_f32_nan_nan() { |
| ; CHECK-LABEL: @constant_fold_maxnum_f32_nan_nan( |
| ; CHECK-NEXT: ret float 0x7FF8000000000000 |
| ; |
| %x = call float @llvm.maxnum.f32(float 0x7FF8000000000000, float 0x7FF8000000000000) |
| ret float %x |
| } |
| |
| define float @constant_fold_maxnum_f32_p0_p0() { |
| ; CHECK-LABEL: @constant_fold_maxnum_f32_p0_p0( |
| ; CHECK-NEXT: ret float 0.000000e+00 |
| ; |
| %x = call float @llvm.maxnum.f32(float 0.0, float 0.0) |
| ret float %x |
| } |
| |
| define float @constant_fold_maxnum_f32_p0_n0() { |
| ; CHECK-LABEL: @constant_fold_maxnum_f32_p0_n0( |
| ; CHECK-NEXT: ret float 0.000000e+00 |
| ; |
| %x = call float @llvm.maxnum.f32(float 0.0, float -0.0) |
| ret float %x |
| } |
| |
| define float @constant_fold_maxnum_f32_n0_p0() { |
| ; CHECK-LABEL: @constant_fold_maxnum_f32_n0_p0( |
| ; CHECK-NEXT: ret float -0.000000e+00 |
| ; |
| %x = call float @llvm.maxnum.f32(float -0.0, float 0.0) |
| ret float %x |
| } |
| |
| define float @constant_fold_maxnum_f32_n0_n0() { |
| ; CHECK-LABEL: @constant_fold_maxnum_f32_n0_n0( |
| ; CHECK-NEXT: ret float -0.000000e+00 |
| ; |
| %x = call float @llvm.maxnum.f32(float -0.0, float -0.0) |
| ret float %x |
| } |
| |
| define <4 x float> @constant_fold_maxnum_v4f32() { |
| ; 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> |
| ; |
| %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 |
| } |
| |
| define double @constant_fold_maxnum_f64() { |
| ; CHECK-LABEL: @constant_fold_maxnum_f64( |
| ; CHECK-NEXT: ret double 2.000000e+00 |
| ; |
| %x = call double @llvm.maxnum.f64(double 1.0, double 2.0) |
| ret double %x |
| } |
| |
| define double @constant_fold_maxnum_f64_nan0() { |
| ; CHECK-LABEL: @constant_fold_maxnum_f64_nan0( |
| ; CHECK-NEXT: ret double 2.000000e+00 |
| ; |
| %x = call double @llvm.maxnum.f64(double 0x7FF8000000000000, double 2.0) |
| ret double %x |
| } |
| |
| define double @constant_fold_maxnum_f64_nan1() { |
| ; CHECK-LABEL: @constant_fold_maxnum_f64_nan1( |
| ; CHECK-NEXT: ret double 2.000000e+00 |
| ; |
| %x = call double @llvm.maxnum.f64(double 2.0, double 0x7FF8000000000000) |
| ret double %x |
| } |
| |
| define double @constant_fold_maxnum_f64_nan_nan() { |
| ; CHECK-LABEL: @constant_fold_maxnum_f64_nan_nan( |
| ; CHECK-NEXT: ret double 0x7FF8000000000000 |
| ; |
| %x = call double @llvm.maxnum.f64(double 0x7FF8000000000000, double 0x7FF8000000000000) |
| ret double %x |
| } |
| |
| define float @canonicalize_constant_maxnum_f32(float %x) { |
| ; CHECK-LABEL: @canonicalize_constant_maxnum_f32( |
| ; CHECK-NEXT: [[Y:%.*]] = call float @llvm.maxnum.f32(float [[X:%.*]], float 1.000000e+00) |
| ; CHECK-NEXT: ret float [[Y]] |
| ; |
| %y = call float @llvm.maxnum.f32(float 1.0, float %x) |
| ret float %y |
| } |
| |
| define float @maxnum_f32_nan_val(float %x) { |
| ; CHECK-LABEL: @maxnum_f32_nan_val( |
| ; CHECK-NEXT: ret float [[X:%.*]] |
| ; |
| %y = call float @llvm.maxnum.f32(float 0x7FF8000000000000, float %x) |
| ret float %y |
| } |
| |
| define float @maxnum_f32_val_nan(float %x) { |
| ; CHECK-LABEL: @maxnum_f32_val_nan( |
| ; CHECK-NEXT: ret float [[X:%.*]] |
| ; |
| %y = call float @llvm.maxnum.f32(float %x, float 0x7FF8000000000000) |
| ret float %y |
| } |
| |
| define float @maxnum_f32_1_maxnum_val_p0(float %x) { |
| ; CHECK-LABEL: @maxnum_f32_1_maxnum_val_p0( |
| ; CHECK-NEXT: [[Z:%.*]] = call float @llvm.maxnum.f32(float [[X:%.*]], float 1.000000e+00) |
| ; CHECK-NEXT: ret float [[Z]] |
| ; |
| %y = call float @llvm.maxnum.f32(float %x, float 0.0) |
| %z = call float @llvm.maxnum.f32(float %y, float 1.0) |
| ret float %z |
| } |
| |
| define float @maxnum_f32_1_maxnum_p0_val_fast(float %x) { |
| ; CHECK-LABEL: @maxnum_f32_1_maxnum_p0_val_fast( |
| ; CHECK-NEXT: [[Z:%.*]] = call float @llvm.maxnum.f32(float [[X:%.*]], float 1.000000e+00) |
| ; CHECK-NEXT: ret float [[Z]] |
| ; |
| %y = call float @llvm.maxnum.f32(float 0.0, float %x) |
| %z = call fast float @llvm.maxnum.f32(float %y, float 1.0) |
| ret float %z |
| } |
| |
| define float @minnum_f32_1_maxnum_p0_val_fmf1(float %x) { |
| ; CHECK-LABEL: @minnum_f32_1_maxnum_p0_val_fmf1( |
| ; CHECK-NEXT: [[Z:%.*]] = call nnan float @llvm.maxnum.f32(float [[X:%.*]], float 1.000000e+00) |
| ; CHECK-NEXT: ret float [[Z]] |
| ; |
| %y = call nnan float @llvm.maxnum.f32(float 0.0, float %x) |
| %z = call nnan ninf float @llvm.maxnum.f32(float %y, float 1.0) |
| ret float %z |
| } |
| |
| define float @minnum_f32_1_maxnum_p0_val_fmf2(float %x) { |
| ; CHECK-LABEL: @minnum_f32_1_maxnum_p0_val_fmf2( |
| ; CHECK-NEXT: [[Z:%.*]] = call ninf float @llvm.maxnum.f32(float [[X:%.*]], float 1.000000e+00) |
| ; CHECK-NEXT: ret float [[Z]] |
| ; |
| %y = call nnan ninf float @llvm.maxnum.f32(float 0.0, float %x) |
| %z = call ninf float @llvm.maxnum.f32(float %y, float 1.0) |
| ret float %z |
| } |
| |
| define float @minnum_f32_1_maxnum_p0_val_fmf3(float %x) { |
| ; CHECK-LABEL: @minnum_f32_1_maxnum_p0_val_fmf3( |
| ; CHECK-NEXT: [[Z:%.*]] = call nnan ninf float @llvm.maxnum.f32(float [[X:%.*]], float 1.000000e+00) |
| ; CHECK-NEXT: ret float [[Z]] |
| ; |
| %y = call ninf nnan float @llvm.maxnum.f32(float 0.0, float %x) |
| %z = call ninf nnan float @llvm.maxnum.f32(float %y, float 1.0) |
| ret float %z |
| } |
| |
| define float @maxnum_f32_p0_maxnum_val_n0(float %x) { |
| ; CHECK-LABEL: @maxnum_f32_p0_maxnum_val_n0( |
| ; CHECK-NEXT: [[Z:%.*]] = call float @llvm.maxnum.f32(float [[X:%.*]], float 0.000000e+00) |
| ; CHECK-NEXT: ret float [[Z]] |
| ; |
| %y = call float @llvm.maxnum.f32(float %x, float -0.0) |
| %z = call float @llvm.maxnum.f32(float %y, float 0.0) |
| ret float %z |
| } |
| |
| define float @maxnum_f32_1_maxnum_p0_val(float %x) { |
| ; CHECK-LABEL: @maxnum_f32_1_maxnum_p0_val( |
| ; CHECK-NEXT: [[Z:%.*]] = call float @llvm.maxnum.f32(float [[X:%.*]], float 1.000000e+00) |
| ; CHECK-NEXT: ret float [[Z]] |
| ; |
| %y = call float @llvm.maxnum.f32(float 0.0, float %x) |
| %z = call float @llvm.maxnum.f32(float %y, float 1.0) |
| ret float %z |
| } |
| |
| define <2 x float> @maxnum_f32_1_maxnum_val_p0_val_v2f32(<2 x float> %x) { |
| ; CHECK-LABEL: @maxnum_f32_1_maxnum_val_p0_val_v2f32( |
| ; CHECK-NEXT: [[Z:%.*]] = call <2 x float> @llvm.maxnum.v2f32(<2 x float> [[X:%.*]], <2 x float> <float 1.000000e+00, float 1.000000e+00>) |
| ; CHECK-NEXT: ret <2 x float> [[Z]] |
| ; |
| %y = call <2 x float> @llvm.maxnum.v2f32(<2 x float> %x, <2 x float> zeroinitializer) |
| %z = call <2 x float> @llvm.maxnum.v2f32(<2 x float> %y, <2 x float><float 1.0, float 1.0>) |
| ret <2 x float> %z |
| } |
| |
| define float @maxnum4(float %x, float %y, float %z, float %w) { |
| ; CHECK-LABEL: @maxnum4( |
| ; CHECK-NEXT: [[A:%.*]] = call float @llvm.maxnum.f32(float [[X:%.*]], float [[Y:%.*]]) |
| ; CHECK-NEXT: [[B:%.*]] = call float @llvm.maxnum.f32(float [[Z:%.*]], float [[W:%.*]]) |
| ; CHECK-NEXT: [[C:%.*]] = call float @llvm.maxnum.f32(float [[A]], float [[B]]) |
| ; CHECK-NEXT: ret float [[C]] |
| ; |
| %a = call float @llvm.maxnum.f32(float %x, float %y) |
| %b = call float @llvm.maxnum.f32(float %z, float %w) |
| %c = call float @llvm.maxnum.f32(float %a, float %b) |
| ret float %c |
| } |
| |
| ; PR37404 - https://bugs.llvm.org/show_bug.cgi?id=37404 |
| |
| define <2 x float> @neg_neg(<2 x float> %x, <2 x float> %y) { |
| ; CHECK-LABEL: @neg_neg( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call <2 x float> @llvm.minnum.v2f32(<2 x float> [[X:%.*]], <2 x float> [[Y:%.*]]) |
| ; CHECK-NEXT: [[R:%.*]] = fneg <2 x float> [[TMP1]] |
| ; CHECK-NEXT: ret <2 x float> [[R]] |
| ; |
| %negx = fsub <2 x float> <float -0.0, float -0.0>, %x |
| %negy = fsub <2 x float> <float -0.0, float -0.0>, %y |
| %r = call <2 x float> @llvm.maxnum.v2f32(<2 x float> %negx, <2 x float> %negy) |
| ret <2 x float> %r |
| } |
| |
| ; FMF is not required, but it should be propagated from the intrinsic (not the fnegs). |
| |
| define float @neg_neg_vec_fmf(float %x, float %y) { |
| ; CHECK-LABEL: @neg_neg_vec_fmf( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call fast float @llvm.minnum.f32(float [[X:%.*]], float [[Y:%.*]]) |
| ; CHECK-NEXT: [[R:%.*]] = fneg fast float [[TMP1]] |
| ; CHECK-NEXT: ret float [[R]] |
| ; |
| %negx = fsub arcp float -0.0, %x |
| %negy = fsub afn float -0.0, %y |
| %r = call fast float @llvm.maxnum.f32(float %negx, float %negy) |
| ret float %r |
| } |
| |
| define float @unary_neg_neg_vec_fmf(float %x, float %y) { |
| ; CHECK-LABEL: @unary_neg_neg_vec_fmf( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call fast float @llvm.minnum.f32(float [[X:%.*]], float [[Y:%.*]]) |
| ; CHECK-NEXT: [[R:%.*]] = fneg fast float [[TMP1]] |
| ; CHECK-NEXT: ret float [[R]] |
| ; |
| %negx = fneg arcp float %x |
| %negy = fneg afn float %y |
| %r = call fast float @llvm.maxnum.f32(float %negx, float %negy) |
| ret float %r |
| } |
| |
| ; 1 extra use of an intermediate value should still allow the fold, |
| ; but 2 would require more instructions than we started with. |
| |
| declare void @use(float) |
| define float @neg_neg_extra_use_x(float %x, float %y) { |
| ; CHECK-LABEL: @neg_neg_extra_use_x( |
| ; CHECK-NEXT: [[NEGX:%.*]] = fneg float [[X:%.*]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = call float @llvm.minnum.f32(float [[X]], float [[Y:%.*]]) |
| ; CHECK-NEXT: [[R:%.*]] = fneg float [[TMP1]] |
| ; CHECK-NEXT: call void @use(float [[NEGX]]) |
| ; CHECK-NEXT: ret float [[R]] |
| ; |
| %negx = fsub float -0.0, %x |
| %negy = fsub float -0.0, %y |
| %r = call float @llvm.maxnum.f32(float %negx, float %negy) |
| call void @use(float %negx) |
| ret float %r |
| } |
| |
| define float @unary_neg_neg_extra_use_x(float %x, float %y) { |
| ; CHECK-LABEL: @unary_neg_neg_extra_use_x( |
| ; CHECK-NEXT: [[NEGX:%.*]] = fneg float [[X:%.*]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = call float @llvm.minnum.f32(float [[X]], float [[Y:%.*]]) |
| ; CHECK-NEXT: [[R:%.*]] = fneg float [[TMP1]] |
| ; CHECK-NEXT: call void @use(float [[NEGX]]) |
| ; CHECK-NEXT: ret float [[R]] |
| ; |
| %negx = fneg float %x |
| %negy = fneg float %y |
| %r = call float @llvm.maxnum.f32(float %negx, float %negy) |
| call void @use(float %negx) |
| ret float %r |
| } |
| |
| define float @neg_neg_extra_use_y(float %x, float %y) { |
| ; CHECK-LABEL: @neg_neg_extra_use_y( |
| ; CHECK-NEXT: [[NEGY:%.*]] = fneg float [[Y:%.*]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = call float @llvm.minnum.f32(float [[X:%.*]], float [[Y]]) |
| ; CHECK-NEXT: [[R:%.*]] = fneg float [[TMP1]] |
| ; CHECK-NEXT: call void @use(float [[NEGY]]) |
| ; CHECK-NEXT: ret float [[R]] |
| ; |
| %negx = fsub float -0.0, %x |
| %negy = fsub float -0.0, %y |
| %r = call float @llvm.maxnum.f32(float %negx, float %negy) |
| call void @use(float %negy) |
| ret float %r |
| } |
| |
| define float @unary_neg_neg_extra_use_y(float %x, float %y) { |
| ; CHECK-LABEL: @unary_neg_neg_extra_use_y( |
| ; CHECK-NEXT: [[NEGY:%.*]] = fneg float [[Y:%.*]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = call float @llvm.minnum.f32(float [[X:%.*]], float [[Y]]) |
| ; CHECK-NEXT: [[R:%.*]] = fneg float [[TMP1]] |
| ; CHECK-NEXT: call void @use(float [[NEGY]]) |
| ; CHECK-NEXT: ret float [[R]] |
| ; |
| %negx = fneg float %x |
| %negy = fneg float %y |
| %r = call float @llvm.maxnum.f32(float %negx, float %negy) |
| call void @use(float %negy) |
| ret float %r |
| } |
| |
| define float @neg_neg_extra_use_x_and_y(float %x, float %y) { |
| ; CHECK-LABEL: @neg_neg_extra_use_x_and_y( |
| ; CHECK-NEXT: [[NEGX:%.*]] = fneg float [[X:%.*]] |
| ; CHECK-NEXT: [[NEGY:%.*]] = fneg float [[Y:%.*]] |
| ; CHECK-NEXT: [[R:%.*]] = call float @llvm.maxnum.f32(float [[NEGX]], float [[NEGY]]) |
| ; CHECK-NEXT: call void @use(float [[NEGX]]) |
| ; CHECK-NEXT: call void @use(float [[NEGY]]) |
| ; CHECK-NEXT: ret float [[R]] |
| ; |
| %negx = fsub float -0.0, %x |
| %negy = fsub float -0.0, %y |
| %r = call float @llvm.maxnum.f32(float %negx, float %negy) |
| call void @use(float %negx) |
| call void @use(float %negy) |
| ret float %r |
| } |
| |
| define float @unary_neg_neg_extra_use_x_and_y(float %x, float %y) { |
| ; CHECK-LABEL: @unary_neg_neg_extra_use_x_and_y( |
| ; CHECK-NEXT: [[NEGX:%.*]] = fneg float [[X:%.*]] |
| ; CHECK-NEXT: [[NEGY:%.*]] = fneg float [[Y:%.*]] |
| ; CHECK-NEXT: [[R:%.*]] = call float @llvm.maxnum.f32(float [[NEGX]], float [[NEGY]]) |
| ; CHECK-NEXT: call void @use(float [[NEGX]]) |
| ; CHECK-NEXT: call void @use(float [[NEGY]]) |
| ; CHECK-NEXT: ret float [[R]] |
| ; |
| %negx = fneg float %x |
| %negy = fneg float %y |
| %r = call float @llvm.maxnum.f32(float %negx, float %negy) |
| call void @use(float %negx) |
| call void @use(float %negy) |
| ret float %r |
| } |
| |
| define float @reduce_precision(float %x, float %y) { |
| ; CHECK-LABEL: @reduce_precision( |
| ; CHECK-NEXT: [[MAXNUM1:%.*]] = call float @llvm.maxnum.f32(float [[X:%.*]], float [[Y:%.*]]) |
| ; CHECK-NEXT: ret float [[MAXNUM1]] |
| ; |
| %x.ext = fpext float %x to double |
| %y.ext = fpext float %y to double |
| %maxnum = call double @llvm.maxnum.f64(double %x.ext, double %y.ext) |
| %trunc = fptrunc double %maxnum to float |
| ret float %trunc |
| } |
| |
| define float @reduce_precision_fmf(float %x, float %y) { |
| ; CHECK-LABEL: @reduce_precision_fmf( |
| ; CHECK-NEXT: [[MAXNUM1:%.*]] = call nnan float @llvm.maxnum.f32(float [[X:%.*]], float [[Y:%.*]]) |
| ; CHECK-NEXT: ret float [[MAXNUM1]] |
| ; |
| %x.ext = fpext float %x to double |
| %y.ext = fpext float %y to double |
| %maxnum = call nnan double @llvm.maxnum.f64(double %x.ext, double %y.ext) |
| %trunc = fptrunc double %maxnum to float |
| ret float %trunc |
| } |
| |
| define float @reduce_precision_multi_use_0(float %x, float %y, ptr %p) { |
| ; CHECK-LABEL: @reduce_precision_multi_use_0( |
| ; CHECK-NEXT: [[X_EXT:%.*]] = fpext float [[X:%.*]] to double |
| ; CHECK-NEXT: [[Y_EXT:%.*]] = fpext float [[Y:%.*]] to double |
| ; CHECK-NEXT: store double [[X_EXT]], ptr [[P:%.*]], align 8 |
| ; CHECK-NEXT: [[MAXNUM:%.*]] = call double @llvm.maxnum.f64(double [[X_EXT]], double [[Y_EXT]]) |
| ; CHECK-NEXT: [[TRUNC:%.*]] = fptrunc double [[MAXNUM]] to float |
| ; CHECK-NEXT: ret float [[TRUNC]] |
| ; |
| %x.ext = fpext float %x to double |
| %y.ext = fpext float %y to double |
| store double %x.ext, ptr %p |
| %maxnum = call double @llvm.maxnum.f64(double %x.ext, double %y.ext) |
| %trunc = fptrunc double %maxnum to float |
| ret float %trunc |
| } |
| |
| define float @reduce_precision_multi_use_1(float %x, float %y, ptr %p) { |
| ; CHECK-LABEL: @reduce_precision_multi_use_1( |
| ; CHECK-NEXT: [[X_EXT:%.*]] = fpext float [[X:%.*]] to double |
| ; CHECK-NEXT: [[Y_EXT:%.*]] = fpext float [[Y:%.*]] to double |
| ; CHECK-NEXT: store double [[Y_EXT]], ptr [[P:%.*]], align 8 |
| ; CHECK-NEXT: [[MAXNUM:%.*]] = call double @llvm.maxnum.f64(double [[X_EXT]], double [[Y_EXT]]) |
| ; CHECK-NEXT: [[TRUNC:%.*]] = fptrunc double [[MAXNUM]] to float |
| ; CHECK-NEXT: ret float [[TRUNC]] |
| ; |
| %x.ext = fpext float %x to double |
| %y.ext = fpext float %y to double |
| store double %y.ext, ptr %p |
| %maxnum = call double @llvm.maxnum.f64(double %x.ext, double %y.ext) |
| %trunc = fptrunc double %maxnum to float |
| ret float %trunc |
| } |
| |
| define float @negated_op(float %x) { |
| ; CHECK-LABEL: @negated_op( |
| ; CHECK-NEXT: [[R:%.*]] = call float @llvm.fabs.f32(float [[X:%.*]]) |
| ; CHECK-NEXT: ret float [[R]] |
| ; |
| %negx = fneg float %x |
| %r = call float @llvm.maxnum.f32(float %negx, float %x) |
| ret float %r |
| } |
| |
| define <2 x double> @negated_op_fmf_commute_vec(<2 x double> %x) { |
| ; CHECK-LABEL: @negated_op_fmf_commute_vec( |
| ; CHECK-NEXT: [[R:%.*]] = call nnan ninf nsz <2 x double> @llvm.fabs.v2f64(<2 x double> [[X:%.*]]) |
| ; CHECK-NEXT: ret <2 x double> [[R]] |
| ; |
| %negx = fneg <2 x double> %x |
| %r = call nsz nnan ninf <2 x double> @llvm.maxnum.v2f64(<2 x double> %x, <2 x double> %negx) |
| ret <2 x double> %r |
| } |
| |
| define float @negated_op_extra_use(float %x) { |
| ; CHECK-LABEL: @negated_op_extra_use( |
| ; CHECK-NEXT: [[NEGX:%.*]] = fneg float [[X:%.*]] |
| ; CHECK-NEXT: call void @use(float [[NEGX]]) |
| ; CHECK-NEXT: [[R:%.*]] = call float @llvm.maxnum.f32(float [[NEGX]], float [[X]]) |
| ; CHECK-NEXT: ret float [[R]] |
| ; |
| %negx = fneg float %x |
| call void @use(float %negx) |
| %r = call float @llvm.maxnum.f32(float %negx, float %x) |
| ret float %r |
| } |