; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instcombine -S | FileCheck %s declare void @use(i1) declare void @usef64(double) declare double @llvm.fabs.f64(double) declare <2 x double> @llvm.fabs.v2f64(<2 x double>) ; X == 42.0 ? X : 42.0 --> 42.0 define double @oeq(double %x) { ; CHECK-LABEL: @oeq( ; CHECK-NEXT: [[CMP:%.*]] = fcmp oeq double [[X:%.*]], 4.200000e+01 ; CHECK-NEXT: call void @use(i1 [[CMP]]) ; CHECK-NEXT: ret double 4.200000e+01 ; %cmp = fcmp oeq double %x, 42.0 call void @use(i1 %cmp) ; extra use to thwart predicate canonicalization %cond = select i1 %cmp, double %x, double 42.0 ret double %cond } ; X == 42.0 ? 42.0 : X --> X define float @oeq_swapped(float %x) { ; CHECK-LABEL: @oeq_swapped( ; CHECK-NEXT: [[CMP:%.*]] = fcmp oeq float [[X:%.*]], 4.200000e+01 ; CHECK-NEXT: call void @use(i1 [[CMP]]) ; CHECK-NEXT: ret float [[X]] ; %cmp = fcmp oeq float %x, 42.0 call void @use(i1 %cmp) ; extra use to thwart predicate canonicalization %cond = select i1 %cmp, float 42.0, float %x ret float %cond } ; x != y ? x : y -> x if it's the right kind of != and at least ; one of x and y is not negative zero. ; X != 42.0 ? X : 42.0 --> X define double @une(double %x) { ; CHECK-LABEL: @une( ; CHECK-NEXT: [[CMP:%.*]] = fcmp une double [[X:%.*]], 4.200000e+01 ; CHECK-NEXT: call void @use(i1 [[CMP]]) ; CHECK-NEXT: ret double [[X]] ; %cmp = fcmp une double %x, 42.0 call void @use(i1 %cmp) ; extra use to thwart predicate canonicalization %cond = select i1 %cmp, double %x, double 42.0 ret double %cond } ; X != 42.0 ? 42.0 : X --> 42.0 define double @une_swapped(double %x) { ; CHECK-LABEL: @une_swapped( ; CHECK-NEXT: [[CMP:%.*]] = fcmp une double [[X:%.*]], 4.200000e+01 ; CHECK-NEXT: call void @use(i1 [[CMP]]) ; CHECK-NEXT: ret double 4.200000e+01 ; %cmp = fcmp une double %x, 42.0 call void @use(i1 %cmp) ; extra use to thwart predicate canonicalization %cond = select i1 %cmp, double 42.0, double %x ret double %cond } define double @une_could_be_negzero(double %x, double %y) { ; CHECK-LABEL: @une_could_be_negzero( ; CHECK-NEXT: [[CMP:%.*]] = fcmp une double [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: call void @use(i1 [[CMP]]) ; CHECK-NEXT: [[COND:%.*]] = select i1 [[CMP]], double [[X]], double [[Y]] ; CHECK-NEXT: ret double [[COND]] ; %cmp = fcmp une double %x, %y call void @use(i1 %cmp) ; extra use to thwart predicate canonicalization %cond = select i1 %cmp, double %x, double %y ret double %cond } define double @une_swapped_could_be_negzero(double %x, double %y) { ; CHECK-LABEL: @une_swapped_could_be_negzero( ; CHECK-NEXT: [[CMP:%.*]] = fcmp une double [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: call void @use(i1 [[CMP]]) ; CHECK-NEXT: [[COND:%.*]] = select i1 [[CMP]], double [[Y]], double [[X]] ; CHECK-NEXT: ret double [[COND]] ; %cmp = fcmp une double %x, %y call void @use(i1 %cmp) ; extra use to thwart predicate canonicalization %cond = select i1 %cmp, double %y, double %x ret double %cond } define double @one(double %x) { ; CHECK-LABEL: @one( ; CHECK-NEXT: [[CMP:%.*]] = fcmp one double [[X:%.*]], -1.000000e+00 ; CHECK-NEXT: call void @use(i1 [[CMP]]) ; CHECK-NEXT: [[COND:%.*]] = select i1 [[CMP]], double [[X]], double -1.000000e+00 ; CHECK-NEXT: ret double [[COND]] ; %cmp = fcmp one double %x, -1.0 call void @use(i1 %cmp) ; extra use to thwart predicate canonicalization %cond = select i1 %cmp, double %x, double -1.0 ret double %cond } define double @one_swapped(double %x) { ; CHECK-LABEL: @one_swapped( ; CHECK-NEXT: [[CMP:%.*]] = fcmp one double [[X:%.*]], -1.000000e+00 ; CHECK-NEXT: call void @use(i1 [[CMP]]) ; CHECK-NEXT: [[COND:%.*]] = select i1 [[CMP]], double -1.000000e+00, double [[X]] ; CHECK-NEXT: ret double [[COND]] ; %cmp = fcmp one double %x, -1.0 call void @use(i1 %cmp) ; extra use to thwart predicate canonicalization %cond = select i1 %cmp, double -1.0, double %x ret double %cond } define i1 @fcmp_oeq_select(i1 %cond, float %a, float %b) { ; CHECK-LABEL: @fcmp_oeq_select( ; CHECK-NEXT: [[RES:%.*]] = fcmp oeq float [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: ret i1 [[RES]] ; %lhs = select i1 %cond, float %a, float %b %rhs = select i1 %cond, float %b, float %a %res = fcmp oeq float %lhs, %rhs ret i1 %res } define i1 @fcmp_uno_select(i1 %cond, float %a, float %b) { ; CHECK-LABEL: @fcmp_uno_select( ; CHECK-NEXT: [[RES:%.*]] = fcmp uno float [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: ret i1 [[RES]] ; %lhs = select i1 %cond, float %a, float %b %rhs = select i1 %cond, float %b, float %a %res = fcmp uno float %lhs, %rhs ret i1 %res } define i1 @fcmp_ogt_select(i1 %cond, float %a, float %b) { ; CHECK-LABEL: @fcmp_ogt_select( ; CHECK-NEXT: [[LHS:%.*]] = select i1 [[COND:%.*]], float [[A:%.*]], float [[B:%.*]] ; CHECK-NEXT: [[RHS:%.*]] = select i1 [[COND]], float [[B]], float [[A]] ; CHECK-NEXT: [[RES:%.*]] = fcmp ogt float [[LHS]], [[RHS]] ; CHECK-NEXT: ret i1 [[RES]] ; %lhs = select i1 %cond, float %a, float %b %rhs = select i1 %cond, float %b, float %a %res = fcmp ogt float %lhs, %rhs ret i1 %res } define i1 @test_fcmp_select_const_const(double %x) { ; CHECK-LABEL: @test_fcmp_select_const_const( ; CHECK-NEXT: [[CMP1:%.*]] = fcmp uno double [[X:%.*]], 0.000000e+00 ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp1 = fcmp ord double %x, 0.000000e+00 %sel = select i1 %cmp1, double 0xFFFFFFFFFFFFFFFF, double 0.000000e+00 %cmp2 = fcmp oeq double %sel, 0.000000e+00 ret i1 %cmp2 } define i1 @test_fcmp_select_var_const(double %x, double %y) { ; CHECK-LABEL: @test_fcmp_select_var_const( ; CHECK-NEXT: [[CMP1:%.*]] = fcmp ule double [[X:%.*]], f0x3E80000000000000 ; CHECK-NEXT: [[TMP1:%.*]] = fcmp olt double [[Y:%.*]], f0x3E80000000000000 ; CHECK-NEXT: [[CMP2:%.*]] = select i1 [[CMP1]], i1 true, i1 [[TMP1]] ; CHECK-NEXT: ret i1 [[CMP2]] ; %cmp1 = fcmp ogt double %x, 0x3E80000000000000 %sel = select i1 %cmp1, double %y, double 0.000000e+00 %cmp2 = fcmp olt double %sel, 0x3E80000000000000 ret i1 %cmp2 } define i1 @test_fcmp_select_var_const_fmf(double %x, double %y) { ; CHECK-LABEL: @test_fcmp_select_var_const_fmf( ; CHECK-NEXT: [[CMP1:%.*]] = fcmp ule double [[X:%.*]], f0x3E80000000000000 ; CHECK-NEXT: [[TMP1:%.*]] = fcmp nnan olt double [[Y:%.*]], f0x3E80000000000000 ; CHECK-NEXT: [[CMP2:%.*]] = select i1 [[CMP1]], i1 true, i1 [[TMP1]] ; CHECK-NEXT: ret i1 [[CMP2]] ; %cmp1 = fcmp ogt double %x, 0x3E80000000000000 %sel = select i1 %cmp1, double %y, double 0.000000e+00 %cmp2 = fcmp nnan olt double %sel, 0x3E80000000000000 ret i1 %cmp2 } define <2 x i1> @test_fcmp_select_const_const_vec(<2 x double> %x) { ; CHECK-LABEL: @test_fcmp_select_const_const_vec( ; CHECK-NEXT: [[CMP1:%.*]] = fcmp uno <2 x double> [[X:%.*]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[CMP1]] ; %cmp1 = fcmp ord <2 x double> %x, zeroinitializer %sel = select <2 x i1> %cmp1, <2 x double> , <2 x double> zeroinitializer %cmp2 = fcmp oeq <2 x double> %sel, zeroinitializer ret <2 x i1> %cmp2 } ; Don't break clamp idioms define double @test_fcmp_select_clamp(double %x) { ; CHECK-LABEL: @test_fcmp_select_clamp( ; CHECK-NEXT: [[CMP1:%.*]] = fcmp ogt double [[X:%.*]], 9.000000e-01 ; CHECK-NEXT: [[SEL1:%.*]] = select i1 [[CMP1]], double 9.000000e-01, double [[X]] ; CHECK-NEXT: [[CMP2:%.*]] = fcmp olt double [[SEL1]], 5.000000e-01 ; CHECK-NEXT: [[SEL2:%.*]] = select i1 [[CMP2]], double 5.000000e-01, double [[SEL1]] ; CHECK-NEXT: ret double [[SEL2]] ; %cmp1 = fcmp ogt double %x, 9.000000e-01 %sel1 = select i1 %cmp1, double 9.000000e-01, double %x %cmp2 = fcmp olt double %sel1, 5.000000e-01 %sel2 = select i1 %cmp2, double 5.000000e-01, double %sel1 ret double %sel2 } ; Don't break fmin/fmax idioms define double @test_fcmp_select_maxnum(double %x) { ; CHECK-LABEL: @test_fcmp_select_maxnum( ; CHECK-NEXT: [[SEL1:%.*]] = call nnan nsz double @llvm.maxnum.f64(double [[X:%.*]], double 1.000000e+00) ; CHECK-NEXT: [[SEL2:%.*]] = call nnan nsz double @llvm.minnum.f64(double [[SEL1]], double 2.550000e+02) ; CHECK-NEXT: ret double [[SEL2]] ; %cmp1 = fcmp nnan ogt double %x, 1.0 %sel1 = select nsz i1 %cmp1, double %x, double 1.0 %cmp2 = fcmp nnan olt double %sel1, 255.0 %sel2 = select nsz i1 %cmp2, double %sel1, double 255.0 ret double %sel2 } define i1 @test_fcmp_select_const_const_multiuse(double %x) { ; CHECK-LABEL: @test_fcmp_select_const_const_multiuse( ; CHECK-NEXT: [[CMP1:%.*]] = fcmp ord double [[X:%.*]], 0.000000e+00 ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP1]], double -nan(0x7FFFFFFFFFFFF), double 0.000000e+00 ; CHECK-NEXT: call void @usef64(double [[SEL]]) ; CHECK-NEXT: [[CMP2:%.*]] = fcmp oeq double [[SEL]], 0.000000e+00 ; CHECK-NEXT: ret i1 [[CMP2]] ; %cmp1 = fcmp ord double %x, 0.000000e+00 %sel = select i1 %cmp1, double 0xFFFFFFFFFFFFFFFF, double 0.000000e+00 call void @usef64(double %sel) %cmp2 = fcmp oeq double %sel, 0.000000e+00 ret i1 %cmp2 } define i1 @test_fcmp_select_const_const_unordered(double %x) { ; CHECK-LABEL: @test_fcmp_select_const_const_unordered( ; CHECK-NEXT: [[CMP1:%.*]] = fcmp ord double [[X:%.*]], 0.000000e+00 ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp1 = fcmp uno double %x, 0.000000e+00 %sel = select i1 %cmp1, double 0xFFFFFFFFFFFFFFFF, double 0.000000e+00 %cmp2 = fcmp oeq double %sel, 0.000000e+00 ret i1 %cmp2 } define i1 @test_fcmp_select_var_const_unordered(double %x, double %y) { ; CHECK-LABEL: @test_fcmp_select_var_const_unordered( ; CHECK-NEXT: [[CMP1:%.*]] = fcmp ult double [[X:%.*]], f0x3E80000000000000 ; CHECK-NEXT: [[TMP1:%.*]] = fcmp ugt double [[Y:%.*]], f0x3E80000000000000 ; CHECK-NEXT: [[CMP2:%.*]] = select i1 [[CMP1]], i1 [[TMP1]], i1 false ; CHECK-NEXT: ret i1 [[CMP2]] ; %cmp1 = fcmp ult double %x, 0x3E80000000000000 %sel = select i1 %cmp1, double %y, double 0.000000e+00 %cmp2 = fcmp ugt double %sel, 0x3E80000000000000 ret i1 %cmp2 } define i1 @test_fcmp_ord_select_fcmp_oeq_var_const(double %x) { ; CHECK-LABEL: @test_fcmp_ord_select_fcmp_oeq_var_const( ; CHECK-NEXT: [[TMP1:%.*]] = fcmp oeq double [[X:%.*]], 1.000000e+00 ; CHECK-NEXT: ret i1 [[TMP1]] ; %cmp1 = fcmp ord double %x, 0.000000e+00 %sel = select i1 %cmp1, double %x, double 0.000000e+00 %cmp2 = fcmp oeq double %sel, 1.000000e+00 ret i1 %cmp2 } define double @test_fcmp_ord_select_fabs_fcmp_one_select_var_const(double %x) { ; CHECK-LABEL: @test_fcmp_ord_select_fabs_fcmp_one_select_var_const( ; CHECK-NEXT: [[ABS:%.*]] = call double @llvm.fabs.f64(double [[X:%.*]]) ; CHECK-NEXT: [[CMP:%.*]] = fcmp one double [[ABS]], +inf ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP]], double [[X]], double 0.000000e+00 ; CHECK-NEXT: ret double [[SEL]] ; %cmp1 = fcmp ord double %x, 0.000000e+00 %sel1 = select i1 %cmp1, double %x, double 0.000000e+00 %abs = call double @llvm.fabs.f64(double %sel1) %cmp2 = fcmp one double %abs, 0x7FF0000000000000 %sel2 = select i1 %cmp2, double %sel1, double 0.000000e+00 ret double %sel2 } define double @test_fcmp_ord_commuted_select_fabs_fcmp_one_select_var_const(double %x) { ; CHECK-LABEL: @test_fcmp_ord_commuted_select_fabs_fcmp_one_select_var_const( ; CHECK-NEXT: [[ABS:%.*]] = call double @llvm.fabs.f64(double [[X:%.*]]) ; CHECK-NEXT: [[CMP:%.*]] = fcmp one double [[ABS]], +inf ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP]], double [[X]], double 0.000000e+00 ; CHECK-NEXT: ret double [[SEL]] ; %cmp1 = fcmp ord double 0.000000e+00, %x %sel1 = select i1 %cmp1, double %x, double 0.000000e+00 %abs = call double @llvm.fabs.f64(double %sel1) %cmp2 = fcmp one double %abs, 0x7FF0000000000000 %sel2 = select i1 %cmp2, double %sel1, double 0.000000e+00 ret double %sel2 } define double @test_fcmp_ord_select_fabs_fcmp_one_select_nonnan_const(double %x, double %y) { ; CHECK-LABEL: @test_fcmp_ord_select_fabs_fcmp_one_select_nonnan_const( ; CHECK-NEXT: [[ABS:%.*]] = call double @llvm.fabs.f64(double [[X:%.*]]) ; CHECK-NEXT: [[CMP:%.*]] = fcmp one double [[ABS]], +inf ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP]], double [[X]], double [[Y:%.*]] ; CHECK-NEXT: ret double [[SEL]] ; %cmp1 = fcmp ord double %x, 1.000000e+00 %sel1 = select i1 %cmp1, double %x, double %y %abs = call double @llvm.fabs.f64(double %sel1) %cmp2 = fcmp one double %abs, 0x7FF0000000000000 %sel2 = select i1 %cmp2, double %sel1, double %y ret double %sel2 } define double @test_fcmp_ord_self_select_fabs_fcmp_one_select_var_var(double %x, double %y) { ; CHECK-LABEL: @test_fcmp_ord_self_select_fabs_fcmp_one_select_var_var( ; CHECK-NEXT: [[ABS:%.*]] = call double @llvm.fabs.f64(double [[X:%.*]]) ; CHECK-NEXT: [[CMP:%.*]] = fcmp one double [[ABS]], +inf ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP]], double [[X]], double [[Y:%.*]] ; CHECK-NEXT: ret double [[SEL]] ; %cmp1 = fcmp ord double %x, %x %sel1 = select i1 %cmp1, double %x, double %y %abs = call double @llvm.fabs.f64(double %sel1) %cmp2 = fcmp one double %abs, 0x7FF0000000000000 %sel2 = select i1 %cmp2, double %sel1, double %y ret double %sel2 } define double @test_fcmp_ord_select_fabs_fcmp_one_select_uitofp_nonnan(double %x, double %y, i32 %i) { ; CHECK-LABEL: @test_fcmp_ord_select_fabs_fcmp_one_select_uitofp_nonnan( ; CHECK: [[ABS:%.*]] = call double @llvm.fabs.f64(double [[X:%.*]]) ; CHECK-NEXT: [[CMP:%.*]] = fcmp one double [[ABS]], +inf ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP]], double [[X]], double [[Y:%.*]] ; CHECK-NEXT: ret double [[SEL]] ; %nonnan = uitofp i32 %i to double %cmp1 = fcmp ord double %x, %nonnan %sel1 = select i1 %cmp1, double %x, double %y %abs = call double @llvm.fabs.f64(double %sel1) %cmp2 = fcmp one double %abs, 0x7FF0000000000000 %sel2 = select i1 %cmp2, double %sel1, double %y ret double %sel2 } define double @test_fcmp_ord_commuted_select_fabs_fcmp_one_select_sitofp_nonnan(double %x, double %y, i32 %i) { ; CHECK-LABEL: @test_fcmp_ord_commuted_select_fabs_fcmp_one_select_sitofp_nonnan( ; CHECK: [[ABS:%.*]] = call double @llvm.fabs.f64(double [[X:%.*]]) ; CHECK-NEXT: [[CMP:%.*]] = fcmp one double [[ABS]], +inf ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP]], double [[X]], double [[Y:%.*]] ; CHECK-NEXT: ret double [[SEL]] ; %nonnan = sitofp i32 %i to double %cmp1 = fcmp ord double %nonnan, %x %sel1 = select i1 %cmp1, double %x, double %y %abs = call double @llvm.fabs.f64(double %sel1) %cmp2 = fcmp one double %abs, 0x7FF0000000000000 %sel2 = select i1 %cmp2, double %sel1, double %y ret double %sel2 } define double @test_fcmp_ord_select_fabs_rhs_fcmp_ogt_select_uitofp_nonnan(double %x, double %y, double %k, i32 %i) { ; CHECK-LABEL: @test_fcmp_ord_select_fabs_rhs_fcmp_ogt_select_uitofp_nonnan( ; CHECK: [[ABS:%.*]] = call double @llvm.fabs.f64(double [[X:%.*]]) ; CHECK-NEXT: [[CMP:%.*]] = fcmp olt double [[ABS]], [[K:%.*]] ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP]], double [[X]], double [[Y:%.*]] ; CHECK-NEXT: ret double [[SEL]] ; %nonnan = uitofp i32 %i to double %cmp1 = fcmp ord double %x, %nonnan %sel1 = select i1 %cmp1, double %x, double %y %abs = call double @llvm.fabs.f64(double %sel1) %cmp2 = fcmp ogt double %k, %abs %sel2 = select i1 %cmp2, double %sel1, double %y ret double %sel2 } define double @test_fcmp_ord_select_fabs_fcmp_une_select_var_const(double %x) { ; CHECK-LABEL: @test_fcmp_ord_select_fabs_fcmp_une_select_var_const( ; CHECK-NEXT: [[CMP1:%.*]] = fcmp ord double [[X:%.*]], 0.000000e+00 ; CHECK-NEXT: [[SEL1:%.*]] = select i1 [[CMP1]], double [[X]], double 0.000000e+00 ; CHECK-NEXT: [[ABS:%.*]] = call double @llvm.fabs.f64(double [[SEL1]]) ; CHECK-NEXT: [[CMP2:%.*]] = fcmp une double [[ABS]], +inf ; CHECK-NEXT: [[SEL2:%.*]] = select i1 [[CMP2]], double [[SEL1]], double 0.000000e+00 ; CHECK-NEXT: ret double [[SEL2]] ; %cmp1 = fcmp ord double %x, 0.000000e+00 %sel1 = select i1 %cmp1, double %x, double 0.000000e+00 %abs = call double @llvm.fabs.f64(double %sel1) %cmp2 = fcmp une double %abs, 0x7FF0000000000000 %sel2 = select i1 %cmp2, double %sel1, double 0.000000e+00 ret double %sel2 } define double @test_fcmp_ord_select_fabs_fcmp_nnan_one_select_var_var(double %x, double %y) { ; CHECK-LABEL: @test_fcmp_ord_select_fabs_fcmp_nnan_one_select_var_var( ; CHECK-NEXT: [[ABS:%.*]] = call double @llvm.fabs.f64(double [[X:%.*]]) ; CHECK-NEXT: [[CMP:%.*]] = fcmp one double [[ABS]], +inf ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP]], double [[X]], double [[Y:%.*]] ; CHECK-NEXT: ret double [[SEL]] ; %cmp1 = fcmp ord double %x, 0.000000e+00 %sel1 = select i1 %cmp1, double %x, double %y %abs = call double @llvm.fabs.f64(double %sel1) %cmp2 = fcmp nnan one double %abs, 0x7FF0000000000000 %sel2 = select i1 %cmp2, double %sel1, double %y ret double %sel2 } define double @test_fcmp_ord_select_fabs_rhs_fcmp_ogt_select_var_var(double %x, double %y, double %k) { ; CHECK-LABEL: @test_fcmp_ord_select_fabs_rhs_fcmp_ogt_select_var_var( ; CHECK-NEXT: [[ABS:%.*]] = call ninf double @llvm.fabs.f64(double [[X:%.*]]) ; CHECK-NEXT: [[CMP:%.*]] = fcmp ninf olt double [[ABS]], [[K:%.*]] ; CHECK-NEXT: [[SEL:%.*]] = select nnan i1 [[CMP]], double [[X]], double [[Y:%.*]] ; CHECK-NEXT: ret double [[SEL]] ; %cmp1 = fcmp ord double %x, 0.000000e+00 %sel1 = select i1 %cmp1, double %x, double %y %abs = call ninf double @llvm.fabs.f64(double %sel1) %cmp2 = fcmp ninf ogt double %k, %abs %sel2 = select nnan i1 %cmp2, double %sel1, double %y ret double %sel2 } define <2 x double> @test_fcmp_ord_select_fabs_fcmp_one_select_v2f64(<2 x double> %x, <2 x double> %y) { ; CHECK-LABEL: @test_fcmp_ord_select_fabs_fcmp_one_select_v2f64( ; CHECK-NEXT: [[ABS:%.*]] = call <2 x double> @llvm.fabs.v2f64(<2 x double> [[X:%.*]]) ; CHECK-NEXT: [[CMP:%.*]] = fcmp one <2 x double> [[ABS]], splat (double +inf) ; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> [[CMP]], <2 x double> [[X]], <2 x double> [[Y:%.*]] ; CHECK-NEXT: ret <2 x double> [[SEL]] ; %cmp1 = fcmp ord <2 x double> %x, zeroinitializer %sel1 = select <2 x i1> %cmp1, <2 x double> %x, <2 x double> %y %abs = call <2 x double> @llvm.fabs.v2f64(<2 x double> %sel1) %cmp2 = fcmp one <2 x double> %abs, %sel2 = select <2 x i1> %cmp2, <2 x double> %sel1, <2 x double> %y ret <2 x double> %sel2 } define <2 x double> @test_fcmp_ord_select_fabs_fcmp_one_select_uitofp_v2f64(<2 x double> %x, <2 x double> %y, <2 x i32> %i) { ; CHECK-LABEL: @test_fcmp_ord_select_fabs_fcmp_one_select_uitofp_v2f64( ; CHECK: [[ABS:%.*]] = call <2 x double> @llvm.fabs.v2f64(<2 x double> [[X:%.*]]) ; CHECK-NEXT: [[CMP:%.*]] = fcmp one <2 x double> [[ABS]], splat (double +inf) ; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> [[CMP]], <2 x double> [[X]], <2 x double> [[Y:%.*]] ; CHECK-NEXT: ret <2 x double> [[SEL]] ; %nonnan = uitofp <2 x i32> %i to <2 x double> %cmp1 = fcmp ord <2 x double> %x, %nonnan %sel1 = select <2 x i1> %cmp1, <2 x double> %x, <2 x double> %y %abs = call <2 x double> @llvm.fabs.v2f64(<2 x double> %sel1) %cmp2 = fcmp one <2 x double> %abs, %sel2 = select <2 x i1> %cmp2, <2 x double> %sel1, <2 x double> %y ret <2 x double> %sel2 } define <2 x double> @test_fcmp_ord_select_fabs_fcmp_nnan_one_select_v2f64(<2 x double> %x, <2 x double> %y) { ; CHECK-LABEL: @test_fcmp_ord_select_fabs_fcmp_nnan_one_select_v2f64( ; CHECK-NEXT: [[ABS:%.*]] = call <2 x double> @llvm.fabs.v2f64(<2 x double> [[X:%.*]]) ; CHECK-NEXT: [[CMP:%.*]] = fcmp one <2 x double> [[ABS]], splat (double +inf) ; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> [[CMP]], <2 x double> [[X]], <2 x double> [[Y:%.*]] ; CHECK-NEXT: ret <2 x double> [[SEL]] ; %cmp1 = fcmp ord <2 x double> %x, zeroinitializer %sel1 = select <2 x i1> %cmp1, <2 x double> %x, <2 x double> %y %abs = call <2 x double> @llvm.fabs.v2f64(<2 x double> %sel1) %cmp2 = fcmp nnan one <2 x double> %abs, %sel2 = select <2 x i1> %cmp2, <2 x double> %sel1, <2 x double> %y ret <2 x double> %sel2 } define double @test_fcmp_ord_select_fabs_fcmp_fabs_only_ninf(double %x, double %y, double %k) { ; CHECK-LABEL: @test_fcmp_ord_select_fabs_fcmp_fabs_only_ninf( ; CHECK-NEXT: [[ABS:%.*]] = call ninf double @llvm.fabs.f64(double [[X:%.*]]) ; CHECK-NEXT: [[CMP:%.*]] = fcmp one double [[ABS]], [[K:%.*]] ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP]], double [[X]], double [[Y:%.*]] ; CHECK-NEXT: ret double [[SEL]] ; %cmp1 = fcmp ord double %x, 0.000000e+00 %sel1 = select i1 %cmp1, double %x, double %y %abs = call ninf double @llvm.fabs.f64(double %sel1) %cmp2 = fcmp one double %abs, %k %sel2 = select i1 %cmp2, double %sel1, double %y ret double %sel2 } define double @test_fcmp_ord_select_fabs_fcmp_cmp_only_ninf(double %x, double %y, double %k) { ; CHECK-LABEL: @test_fcmp_ord_select_fabs_fcmp_cmp_only_ninf( ; CHECK-NEXT: [[ABS:%.*]] = call double @llvm.fabs.f64(double [[X:%.*]]) ; CHECK-NEXT: [[CMP:%.*]] = fcmp ninf one double [[ABS]], [[K:%.*]] ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP]], double [[X]], double [[Y:%.*]] ; CHECK-NEXT: ret double [[SEL]] ; %cmp1 = fcmp ord double %x, 0.000000e+00 %sel1 = select i1 %cmp1, double %x, double %y %abs = call double @llvm.fabs.f64(double %sel1) %cmp2 = fcmp ninf one double %abs, %k %sel2 = select i1 %cmp2, double %sel1, double %y ret double %sel2 } define double @test_fcmp_ord_select_fabs_fcmp_intersect_drop_nnan(double %x, double %y, double %k) { ; CHECK-LABEL: @test_fcmp_ord_select_fabs_fcmp_intersect_drop_nnan( ; CHECK-NEXT: [[ABS:%.*]] = call ninf double @llvm.fabs.f64(double [[X:%.*]]) ; CHECK-NEXT: [[CMP:%.*]] = fcmp ninf one double [[ABS]], [[K:%.*]] ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP]], double [[X]], double [[Y:%.*]] ; CHECK-NEXT: ret double [[SEL]] ; %cmp1 = fcmp ord double %x, 0.000000e+00 %sel1 = select i1 %cmp1, double %x, double %y %abs = call nnan ninf double @llvm.fabs.f64(double %sel1) %cmp2 = fcmp nnan ninf one double %abs, %k %sel2 = select i1 %cmp2, double %sel1, double %y ret double %sel2 } ; Make sure that we recognize the SPF correctly. define float @test_select_nnan_nsz_fcmp_olt(float %x) { ; CHECK-LABEL: @test_select_nnan_nsz_fcmp_olt( ; CHECK-NEXT: [[TMP1:%.*]] = fcmp olt float [[X:%.*]], -0.000000e+00 ; CHECK-NEXT: [[SEL1:%.*]] = select i1 [[TMP1]], float [[X]], float -0.000000e+00 ; CHECK-NEXT: ret float [[SEL1]] ; %cmp = fcmp olt float %x, 0.000000e+00 %sel = select nnan nsz i1 %cmp, float %x, float -0.000000e+00 ret float %sel } define float @test_select_nnan_nsz_fcmp_ult(float %x) { ; CHECK-LABEL: @test_select_nnan_nsz_fcmp_ult( ; CHECK-NEXT: [[DOTINV:%.*]] = fcmp oge float [[X:%.*]], 0.000000e+00 ; CHECK-NEXT: [[SEL1:%.*]] = select i1 [[DOTINV]], float -0.000000e+00, float [[X]] ; CHECK-NEXT: ret float [[SEL1]] ; %cmp = fcmp ult float %x, 0.000000e+00 %sel = select nnan nsz i1 %cmp, float %x, float -0.000000e+00 ret float %sel } define float @test_select_fcmp_sitofp_max(i8 %x) { ; CHECK-LABEL: @test_select_fcmp_sitofp_max( ; CHECK-NEXT: [[F:%.*]] = sitofp i8 [[X:%.*]] to float ; CHECK-NEXT: ret float [[F]] ; %f = sitofp i8 %x to float %cmp = fcmp ole float %f, -1.280000e+02 %sel = select i1 %cmp, float -1.280000e+02, float %f ret float %sel } define <2 x float> @test_select_fcmp_sitofp_max_vec(<2 x i8> %x) { ; CHECK-LABEL: @test_select_fcmp_sitofp_max_vec( ; CHECK-NEXT: [[F:%.*]] = sitofp <2 x i8> [[X:%.*]] to <2 x float> ; CHECK-NEXT: ret <2 x float> [[F]] ; %f = sitofp <2 x i8> %x to <2 x float> %cmp = fcmp ole <2 x float> %f, splat (float -1.280000e+02) %sel = select <2 x i1> %cmp, <2 x float> splat (float -1.280000e+02), <2 x float> %f ret <2 x float> %sel } define float @test_select_fcmp_sitofp_min(i8 %x) { ; CHECK-LABEL: @test_select_fcmp_sitofp_min( ; CHECK-NEXT: [[F:%.*]] = sitofp i8 [[X:%.*]] to float ; CHECK-NEXT: ret float [[F]] ; %f = sitofp i8 %x to float %cmp = fcmp oge float %f, 1.270000e+02 %sel = select i1 %cmp, float 1.270000e+02, float %f ret float %sel } define float @test_select_fcmp_uitofp_min(i8 %x) { ; CHECK-LABEL: @test_select_fcmp_uitofp_min( ; CHECK-NEXT: [[F:%.*]] = uitofp i8 [[X:%.*]] to float ; CHECK-NEXT: ret float [[F]] ; %f = uitofp i8 %x to float %cmp = fcmp oge float %f, 2.550000e+02 %sel = select i1 %cmp, float 2.550000e+02, float %f ret float %sel }