; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 ; RUN: opt < %s -passes=instcombine -S | FileCheck %s ; fcmp OGT + fadd + sel => fcmp OGT + sel => fmaxnum define float @test_fcmp_ogt_fadd_select_constant(float %in) { ; CHECK-LABEL: define float @test_fcmp_ogt_fadd_select_constant( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.maxnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ogt float %in, 0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define float @test_fcmp_ogt_fadd_select_constant_swapped(float %in) { ; CHECK-LABEL: define float @test_fcmp_ogt_fadd_select_constant_swapped( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.minnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ogt float %in, 0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float 1.000000e+00, float %add ret float %sel } define float @test_fcmp_ogt_fadd_select_neg_constant(float %in) { ; CHECK-LABEL: define float @test_fcmp_ogt_fadd_select_neg_constant( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.maxnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ogt float %in, -0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define float @test_fcmp_ogt_fadd_select_fastmath_preserve(float %in) { ; CHECK-LABEL: define float @test_fcmp_ogt_fadd_select_fastmath_preserve( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.maxnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ogt float %in, 0.000000e+00 %add = fadd nnan float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define <2 x float> @test_fcmp_ogt_fadd_select_constant_vectors(<2 x float> %in) { ; CHECK-LABEL: define <2 x float> @test_fcmp_ogt_fadd_select_constant_vectors( ; CHECK-SAME: <2 x float> [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz <2 x float> @llvm.maxnum.v2f32(<2 x float> [[IN]], <2 x float> zeroinitializer) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz <2 x float> [[SEL_NEW]], splat (float 1.000000e+00) ; CHECK-NEXT: ret <2 x float> [[ADD_NEW]] ; %cmp1 = fcmp ogt <2 x float> %in, %add = fadd <2 x float> %in, %sel = select nnan nsz <2 x i1> %cmp1, <2 x float> %add, <2 x float> ret <2 x float> %sel } ; fcmp OLT + fadd + sel => fcmp OLT + sel => fminnum define float @test_fcmp_olt_fadd_select_constant(float %in) { ; CHECK-LABEL: define float @test_fcmp_olt_fadd_select_constant( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.minnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp olt float %in, 0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define float @test_fcmp_olt_fadd_select_constant_swapped(float %in) { ; CHECK-LABEL: define float @test_fcmp_olt_fadd_select_constant_swapped( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.maxnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp olt float %in, 0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float 1.000000e+00, float %add ret float %sel } define float @test_fcmp_olt_fadd_select_neg_constant(float %in) { ; CHECK-LABEL: define float @test_fcmp_olt_fadd_select_neg_constant( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.minnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp olt float %in, -0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define float @test_fcmp_olt_fadd_select_fastmath_preserve(float %in) { ; CHECK-LABEL: define float @test_fcmp_olt_fadd_select_fastmath_preserve( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.minnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp olt float %in, 0.000000e+00 %add = fadd nnan float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define <2 x float> @test_fcmp_olt_fadd_select_constant_vectors(<2 x float> %in) { ; CHECK-LABEL: define <2 x float> @test_fcmp_olt_fadd_select_constant_vectors( ; CHECK-SAME: <2 x float> [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz <2 x float> @llvm.minnum.v2f32(<2 x float> [[IN]], <2 x float> zeroinitializer) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz <2 x float> [[SEL_NEW]], splat (float 1.000000e+00) ; CHECK-NEXT: ret <2 x float> [[ADD_NEW]] ; %cmp1 = fcmp olt <2 x float> %in, %add = fadd <2 x float> %in, %sel = select nnan nsz <2 x i1> %cmp1, <2 x float> %add, <2 x float> ret <2 x float> %sel } ; fcmp OGE + fadd + sel => fcmp OGE + sel => fmaxnum define float @test_fcmp_oge_fadd_select_constant(float %in) { ; CHECK-LABEL: define float @test_fcmp_oge_fadd_select_constant( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.maxnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp oge float %in, 0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define float @test_fcmp_oge_fadd_select_constant_swapped(float %in) { ; CHECK-LABEL: define float @test_fcmp_oge_fadd_select_constant_swapped( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.minnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp oge float %in, 0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float 1.000000e+00, float %add ret float %sel } define float @test_fcmp_oge_fadd_select_neg_constant(float %in) { ; CHECK-LABEL: define float @test_fcmp_oge_fadd_select_neg_constant( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.maxnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp oge float %in, -0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define float @test_fcmp_oge_fadd_select_fastmath_preserve(float %in) { ; CHECK-LABEL: define float @test_fcmp_oge_fadd_select_fastmath_preserve( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.maxnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp oge float %in, 0.000000e+00 %add = fadd nnan float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define <2 x float> @test_fcmp_oge_fadd_select_constant_vectors(<2 x float> %in) { ; CHECK-LABEL: define <2 x float> @test_fcmp_oge_fadd_select_constant_vectors( ; CHECK-SAME: <2 x float> [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz <2 x float> @llvm.maxnum.v2f32(<2 x float> [[IN]], <2 x float> zeroinitializer) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz <2 x float> [[SEL_NEW]], splat (float 1.000000e+00) ; CHECK-NEXT: ret <2 x float> [[ADD_NEW]] ; %cmp1 = fcmp oge <2 x float> %in, %add = fadd <2 x float> %in, %sel = select nnan nsz <2 x i1> %cmp1, <2 x float> %add, <2 x float> ret <2 x float> %sel } ; fcmp OLE + fadd + sel => fcmp OLE + sel => fminnum define float @test_fcmp_ole_fadd_select_constant(float %in) { ; CHECK-LABEL: define float @test_fcmp_ole_fadd_select_constant( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.minnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ole float %in, 0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define float @test_fcmp_ole_fadd_select_constant_swapped(float %in) { ; CHECK-LABEL: define float @test_fcmp_ole_fadd_select_constant_swapped( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.maxnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ole float %in, 0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float 1.000000e+00, float %add ret float %sel } define float @test_fcmp_ole_fadd_select_neg_constant(float %in) { ; CHECK-LABEL: define float @test_fcmp_ole_fadd_select_neg_constant( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.minnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ole float %in, -0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define float @test_fcmp_ole_fadd_select_fastmath_preserve(float %in) { ; CHECK-LABEL: define float @test_fcmp_ole_fadd_select_fastmath_preserve( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.minnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ole float %in, 0.000000e+00 %add = fadd nnan float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define <2 x float> @test_fcmp_ole_fadd_select_constant_vectors(<2 x float> %in) { ; CHECK-LABEL: define <2 x float> @test_fcmp_ole_fadd_select_constant_vectors( ; CHECK-SAME: <2 x float> [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz <2 x float> @llvm.minnum.v2f32(<2 x float> [[IN]], <2 x float> zeroinitializer) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz <2 x float> [[SEL_NEW]], splat (float 1.000000e+00) ; CHECK-NEXT: ret <2 x float> [[ADD_NEW]] ; %cmp1 = fcmp ole <2 x float> %in, %add = fadd <2 x float> %in, %sel = select nnan nsz <2 x i1> %cmp1, <2 x float> %add, <2 x float> ret <2 x float> %sel } ; fcmp UGT + fadd + sel => fcmp UGT + sel => fcmp OLE + sel define float @test_fcmp_ugt_fadd_select_constant(float %in) { ; CHECK-LABEL: define float @test_fcmp_ugt_fadd_select_constant( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.maxnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ugt float %in, 0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define float @test_fcmp_ugt_fadd_select_constant_swapped(float %in) { ; CHECK-LABEL: define float @test_fcmp_ugt_fadd_select_constant_swapped( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.minnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ugt float %in, 0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float 1.000000e+00, float %add ret float %sel } define float @test_fcmp_ugt_fadd_select_neg_constant(float %in) { ; CHECK-LABEL: define float @test_fcmp_ugt_fadd_select_neg_constant( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.maxnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ugt float %in, -0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define float @test_fcmp_ugt_fadd_select_fastmath_preserve(float %in) { ; CHECK-LABEL: define float @test_fcmp_ugt_fadd_select_fastmath_preserve( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.maxnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ugt float %in, 0.000000e+00 %add = fadd nnan float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define <2 x float> @test_fcmp_ugt_fadd_select_constant_vectors(<2 x float> %in) { ; CHECK-LABEL: define <2 x float> @test_fcmp_ugt_fadd_select_constant_vectors( ; CHECK-SAME: <2 x float> [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz <2 x float> @llvm.maxnum.v2f32(<2 x float> [[IN]], <2 x float> zeroinitializer) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz <2 x float> [[SEL_NEW]], splat (float 1.000000e+00) ; CHECK-NEXT: ret <2 x float> [[ADD_NEW]] ; %cmp1 = fcmp ugt <2 x float> %in, %add = fadd <2 x float> %in, %sel = select nnan nsz <2 x i1> %cmp1, <2 x float> %add, <2 x float> ret <2 x float> %sel } ; fcmp UGE + fadd + sel => fcmp UGE + sel => fcmp olt + sel define float @test_fcmp_uge_fadd_select_constant(float %in) { ; CHECK-LABEL: define float @test_fcmp_uge_fadd_select_constant( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.maxnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp uge float %in, 0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define float @test_fcmp_uge_fadd_select_constant_swapped(float %in) { ; CHECK-LABEL: define float @test_fcmp_uge_fadd_select_constant_swapped( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.minnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp uge float %in, 0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float 1.000000e+00, float %add ret float %sel } define float @test_fcmp_uge_fadd_select_neg_constant(float %in) { ; CHECK-LABEL: define float @test_fcmp_uge_fadd_select_neg_constant( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.maxnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp uge float %in, -0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define float @test_fcmp_uge_fadd_select_fastmath_preserve(float %in) { ; CHECK-LABEL: define float @test_fcmp_uge_fadd_select_fastmath_preserve( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.maxnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp uge float %in, 0.000000e+00 %add = fadd nnan float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define <2 x float> @test_fcmp_uge_fadd_select_constant_vectors(<2 x float> %in) { ; CHECK-LABEL: define <2 x float> @test_fcmp_uge_fadd_select_constant_vectors( ; CHECK-SAME: <2 x float> [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz <2 x float> @llvm.maxnum.v2f32(<2 x float> [[IN]], <2 x float> zeroinitializer) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz <2 x float> [[SEL_NEW]], splat (float 1.000000e+00) ; CHECK-NEXT: ret <2 x float> [[ADD_NEW]] ; %cmp1 = fcmp uge <2 x float> %in, %add = fadd <2 x float> %in, %sel = select nnan nsz <2 x i1> %cmp1, <2 x float> %add, <2 x float> ret <2 x float> %sel } ; fcmp ULT + fadd + sel => fcmp ULT + sel => fcmp OGE + sel define float @test_fcmp_ult_fadd_select_constant(float %in) { ; CHECK-LABEL: define float @test_fcmp_ult_fadd_select_constant( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.minnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ult float %in, 0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define float @test_fcmp_ult_fadd_select_constant_swapped(float %in) { ; CHECK-LABEL: define float @test_fcmp_ult_fadd_select_constant_swapped( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.maxnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ult float %in, 0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float 1.000000e+00, float %add ret float %sel } define float @test_fcmp_ult_fadd_select_neg_constant(float %in) { ; CHECK-LABEL: define float @test_fcmp_ult_fadd_select_neg_constant( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.minnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ult float %in, -0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define float @test_fcmp_ult_fadd_select_fastmath_preserve(float %in) { ; CHECK-LABEL: define float @test_fcmp_ult_fadd_select_fastmath_preserve( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.minnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ult float %in, 0.000000e+00 %add = fadd nnan float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define <2 x float> @test_fcmp_ult_fadd_select_constant_vectors(<2 x float> %in) { ; CHECK-LABEL: define <2 x float> @test_fcmp_ult_fadd_select_constant_vectors( ; CHECK-SAME: <2 x float> [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz <2 x float> @llvm.minnum.v2f32(<2 x float> [[IN]], <2 x float> zeroinitializer) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz <2 x float> [[SEL_NEW]], splat (float 1.000000e+00) ; CHECK-NEXT: ret <2 x float> [[ADD_NEW]] ; %cmp1 = fcmp ult <2 x float> %in, %add = fadd <2 x float> %in, %sel = select nnan nsz <2 x i1> %cmp1, <2 x float> %add, <2 x float> ret <2 x float> %sel } ; fcmp ULE + fadd + sel => fcmp ULE + sel => fcmp OGT + sel define float @test_fcmp_ule_fadd_select_constant(float %in) { ; CHECK-LABEL: define float @test_fcmp_ule_fadd_select_constant( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.minnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ule float %in, 0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define float @test_fcmp_ule_fadd_select_constant_swapped(float %in) { ; CHECK-LABEL: define float @test_fcmp_ule_fadd_select_constant_swapped( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.maxnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ule float %in, 0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float 1.000000e+00, float %add ret float %sel } define float @test_fcmp_ule_fadd_select_neg_constant(float %in) { ; CHECK-LABEL: define float @test_fcmp_ule_fadd_select_neg_constant( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.minnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ule float %in, -0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define float @test_fcmp_ule_fadd_select_fastmath_preserve(float %in) { ; CHECK-LABEL: define float @test_fcmp_ule_fadd_select_fastmath_preserve( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.minnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ule float %in, 0.000000e+00 %add = fadd nnan float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define <2 x float> @test_fcmp_ule_fadd_select_constant_vectors(<2 x float> %in) { ; CHECK-LABEL: define <2 x float> @test_fcmp_ule_fadd_select_constant_vectors( ; CHECK-SAME: <2 x float> [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz <2 x float> @llvm.minnum.v2f32(<2 x float> [[IN]], <2 x float> zeroinitializer) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz <2 x float> [[SEL_NEW]], splat (float 1.000000e+00) ; CHECK-NEXT: ret <2 x float> [[ADD_NEW]] ; %cmp1 = fcmp ule <2 x float> %in, %add = fadd <2 x float> %in, %sel = select nnan nsz <2 x i1> %cmp1, <2 x float> %add, <2 x float> ret <2 x float> %sel } ; Negative scenarios ; select instruction doesn't give nnan and nsz guarantees. define float @test_select_without_nnan_nsz(float %in) { ; CHECK-LABEL: define float @test_select_without_nnan_nsz( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[CMP1:%.*]] = fcmp ogt float [[IN]], 0.000000e+00 ; CHECK-NEXT: [[ADD:%.*]] = fadd float [[IN]], 1.000000e+00 ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP1]], float [[ADD]], float 1.000000e+00 ; CHECK-NEXT: ret float [[SEL]] ; %cmp1 = fcmp ogt float %in, 0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } ; fcmp arg doesn't match with fadd's. This won't be converted to maxnum/minnum. define float @test_fcmp_fadd_arg_mismatch(float %in, float %in2) { ; CHECK-LABEL: define float @test_fcmp_fadd_arg_mismatch( ; CHECK-SAME: float [[IN:%.*]], float [[IN2:%.*]]) { ; CHECK-NEXT: [[CMP1:%.*]] = fcmp ogt float [[IN2]], 0.000000e+00 ; CHECK-NEXT: [[ADD:%.*]] = fadd float [[IN]], 1.000000e+00 ; CHECK-NEXT: [[SEL:%.*]] = select nnan nsz i1 [[CMP1]], float [[ADD]], float 1.000000e+00 ; CHECK-NEXT: ret float [[SEL]] ; %cmp1 = fcmp ogt float %in2, 0.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } ; It won't be converted to maxnum/minnum because constant arg in fcmp isn't zero. define float @test_fcmp_arg_non_zero(float %in) { ; CHECK-LABEL: define float @test_fcmp_arg_non_zero( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[CMP1:%.*]] = fcmp ogt float [[IN]], 1.000000e+00 ; CHECK-NEXT: [[ADD:%.*]] = fadd float [[IN]], 1.000000e+00 ; CHECK-NEXT: [[SEL:%.*]] = select nnan nsz i1 [[CMP1]], float [[ADD]], float 1.000000e+00 ; CHECK-NEXT: ret float [[SEL]] ; %cmp1 = fcmp ogt float %in, 1.000000e+00 %add = fadd float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } ; fcmp has more than one use. define float @test_fcmp_multiple_uses(float %in) { ; CHECK-LABEL: define float @test_fcmp_multiple_uses( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[CMP1:%.*]] = fcmp ogt float [[IN]], 0.000000e+00 ; CHECK-NEXT: [[ADD:%.*]] = fadd float [[IN]], 1.000000e+00 ; CHECK-NEXT: [[ADD_2:%.*]] = fadd float [[IN]], 1.000000e+00 ; CHECK-NEXT: [[SEL_1:%.*]] = select nnan nsz i1 [[CMP1]], float [[ADD]], float 1.000000e+00 ; CHECK-NEXT: [[SEL_2:%.*]] = select nnan nsz i1 [[CMP1]], float 2.000000e+00, float [[ADD_2]] ; CHECK-NEXT: [[RES:%.*]] = fadd float [[SEL_1]], [[SEL_2]] ; CHECK-NEXT: ret float [[RES]] ; %cmp1 = fcmp ogt float %in, 0.000000e+00 %add = fadd float %in, 1.000000e+00 %add.2 = fadd float %in, 1.000000e+00 %sel.1 = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 %sel.2 = select nnan nsz i1 %cmp1, float 2.000000e+00, float %add.2 %res = fadd float %sel.1, %sel.2 ret float %res } ; Rewrite-based flags propagation define float @test_fcmp_ogt_fadd_select_rewrite_flags1(float %in) { ; CHECK-LABEL: define float @test_fcmp_ogt_fadd_select_rewrite_flags1( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call reassoc nsz arcp contract afn float @llvm.maxnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd reassoc nnan nsz arcp contract afn float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ogt float %in, 0.000000e+00 %add = fadd reassoc afn arcp contract float %in, 1.000000e+00 %sel = select nnan nsz reassoc afn arcp contract i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define float @test_fcmp_ogt_fadd_select_rewrite_flags2(float %in) { ; CHECK-LABEL: define float @test_fcmp_ogt_fadd_select_rewrite_flags2( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call nsz float @llvm.maxnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd nnan nsz float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp ogt float %in, 0.000000e+00 %add = fadd reassoc float %in, 1.000000e+00 %sel = select nnan nsz i1 %cmp1, float %add, float 1.000000e+00 ret float %sel } define float @test_fcmp_ogt_fadd_select_rewrite_and_fastmath(float %in) { ; CHECK-LABEL: define float @test_fcmp_ogt_fadd_select_rewrite_and_fastmath( ; CHECK-SAME: float [[IN:%.*]]) { ; CHECK-NEXT: [[SEL_NEW:%.*]] = call reassoc nnan nsz arcp contract afn float @llvm.maxnum.f32(float [[IN]], float 0.000000e+00) ; CHECK-NEXT: [[ADD_NEW:%.*]] = fadd fast float [[SEL_NEW]], 1.000000e+00 ; CHECK-NEXT: ret float [[ADD_NEW]] ; %cmp1 = fcmp nnan ogt float %in, 0.000000e+00 %add = fadd fast reassoc float %in, 1.000000e+00 %sel = select fast i1 %cmp1, float %add, float 1.000000e+00 ret float %sel }