| ; 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> <double 0xFFFFFFFFFFFFFFFF, double 0xFFFFFFFFFFFFFFFF>, <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, <double 0x7FF0000000000000, double 0x7FF0000000000000> |
| %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, <double 0x7FF0000000000000, double 0x7FF0000000000000> |
| %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, <double 0x7FF0000000000000, double 0x7FF0000000000000> |
| %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: [[TMP1:%.*]] = fcmp ult float [[X:%.*]], 0.000000e+00 |
| ; CHECK-NEXT: [[SEL1:%.*]] = select i1 [[TMP1]], float [[X]], float -0.000000e+00 |
| ; 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 |
| } |
