1 // RUN: %clang_cc1 -std=c++2a -emit-llvm %s -o - -triple %itanium_abi_triple | \ 2 // RUN: FileCheck %s \ 3 // RUN: '-DSO="class.std::__1::strong_ordering"' \ 4 // RUN: '-DPO="class.std::__1::partial_ordering"' \ 5 // RUN: -DEQ=0 -DLT=-1 -DGT=1 -DUNORD=-127 -DNE=1 6 7 #include "Inputs/std-compare.h" 8 9 // Ensure we don't emit definitions for the global variables 10 // since the builtins shouldn't ODR use them. 11 // CHECK-NOT: constant %[[SO]] 12 // CHECK-NOT: constant %[[PO]] 13 14 // CHECK-LABEL: @_Z11test_signedii 15 auto test_signed(int x, int y) { 16 // CHECK: %[[DEST:retval|agg.result]] 17 // CHECK: %cmp.lt = icmp slt i32 %{{.+}}, %{{.+}} 18 // CHECK: %sel.lt = select i1 %cmp.lt, i8 [[LT]], i8 [[GT]] 19 // CHECK: %cmp.eq = icmp eq i32 %{{.+}}, %{{.+}} 20 // CHECK: %sel.eq = select i1 %cmp.eq, i8 [[EQ]], i8 %sel.lt 21 // CHECK: %__value_ = getelementptr inbounds nuw %[[SO]], ptr %[[DEST]] 22 // CHECK: store i8 %sel.eq, ptr %__value_, align 1 23 // CHECK: ret 24 return x <=> y; 25 } 26 27 // CHECK-LABEL: @_Z13test_unsignedjj 28 auto test_unsigned(unsigned x, unsigned y) { 29 // CHECK: %[[DEST:retval|agg.result]] 30 // CHECK: %cmp.lt = icmp ult i32 %{{.+}}, %{{.+}} 31 // CHECK: %sel.lt = select i1 %cmp.lt, i8 [[LT]], i8 [[GT]] 32 // CHECK: %cmp.eq = icmp eq i32 %{{.+}}, %{{.+}} 33 // CHECK: %sel.eq = select i1 %cmp.eq, i8 [[EQ]], i8 %sel.lt 34 // CHECK: %__value_ = getelementptr inbounds nuw %[[SO]], ptr %[[DEST]] 35 // CHECK: store i8 %sel.eq, ptr %__value_ 36 // CHECK: ret 37 return x <=> y; 38 } 39 40 // CHECK-LABEL: @_Z10float_testdd 41 auto float_test(double x, double y) { 42 // CHECK: %[[DEST:retval|agg.result]] 43 // CHECK: %cmp.eq = fcmp oeq double %{{.+}}, %{{.+}} 44 // CHECK: %sel.eq = select i1 %cmp.eq, i8 [[EQ]], i8 [[UNORD]] 45 // CHECK: %cmp.gt = fcmp ogt double %{{.+}}, %{{.+}} 46 // CHECK: %sel.gt = select i1 %cmp.gt, i8 [[GT]], i8 %sel.eq 47 // CHECK: %cmp.lt = fcmp olt double %{{.+}}, %{{.+}} 48 // CHECK: %sel.lt = select i1 %cmp.lt, i8 [[LT]], i8 %sel.gt 49 // CHECK: %__value_ = getelementptr inbounds nuw %[[PO]], ptr %[[DEST]] 50 // CHECK: store i8 %sel.lt, ptr %__value_ 51 // CHECK: ret 52 return x <=> y; 53 } 54 55 // CHECK-LABEL: @_Z8ptr_testPiS_ 56 auto ptr_test(int *x, int *y) { 57 // CHECK: %[[DEST:retval|agg.result]] 58 // CHECK: %cmp.lt = icmp ult ptr %{{.+}}, %{{.+}} 59 // CHECK: %sel.lt = select i1 %cmp.lt, i8 [[LT]], i8 [[GT]] 60 // CHECK: %cmp.eq = icmp eq ptr %{{.+}}, %{{.+}} 61 // CHECK: %sel.eq = select i1 %cmp.eq, i8 [[EQ]], i8 %sel.lt 62 // CHECK: %__value_ = getelementptr inbounds nuw %[[SO]], ptr %[[DEST]] 63 // CHECK: store i8 %sel.eq, ptr %__value_, align 1 64 // CHECK: ret 65 return x <=> y; 66 } 67 68 // CHECK-LABEL: @_Z13test_constantv 69 auto test_constant() { 70 // CHECK: %[[DEST:retval|agg.result]] 71 // CHECK-NOT: icmp 72 // CHECK: %__value_ = getelementptr inbounds nuw %[[SO]], ptr %[[DEST]] 73 // CHECK-NEXT: store i8 -1, ptr %__value_ 74 // CHECK: ret 75 const int x = 42; 76 const int y = 101; 77 return x <=> y; 78 } 79 80 // CHECK-LABEL: @_Z18unscoped_enum_testijxy 81 void unscoped_enum_test(int i, unsigned u, long long l, unsigned long long ul) { 82 enum EnumA : int { A }; 83 enum EnumB : unsigned { B }; 84 // CHECK: %[[I:.*]] = load {{.*}} %i.addr 85 // CHECK: icmp slt i32 {{.*}} %[[I]] 86 (void)(A <=> i); 87 88 // CHECK: %[[U:.*]] = load {{.*}} %u.addr 89 // CHECK: icmp ult i32 {{.*}} %[[U]] 90 (void)(A <=> u); 91 92 // CHECK: %[[L:.*]] = load {{.*}} %l.addr 93 // CHECK: icmp slt i64 {{.*}} %[[L]] 94 (void)(A <=> l); 95 96 // CHECK: %[[U2:.*]] = load {{.*}} %u.addr 97 // CHECK: icmp ult i32 {{.*}} %[[U2]] 98 (void)(B <=> u); 99 100 // CHECK: %[[UL:.*]] = load {{.*}} %ul.addr 101 // CHECK: icmp ult i64 {{.*}} %[[UL]] 102 (void)(B <=> ul); 103 } 104