llvm-project/clang/test/CodeGenCXX/cxx2a-compare.cpp
Thomas Preud'homme 1cc9d949a1 [C++20, test] Fix use of undef FileCheck variable
Commit f495de43bd5da50286da6020e508d106cfc60f57 forgot two lines when
removing checks for strong and weak equality, resulting in the use of an
undefined FileCheck variable.

Reviewed By: Quuxplusone

Differential Revision: https://reviews.llvm.org/D99838
2021-04-04 00:05:48 +01:00

104 lines
3.6 KiB
C++

// RUN: %clang_cc1 -std=c++2a -emit-llvm %s -o - -triple %itanium_abi_triple | \
// RUN: FileCheck %s \
// RUN: '-DSO="class.std::__1::strong_ordering"' \
// RUN: '-DPO="class.std::__1::partial_ordering"' \
// RUN: -DEQ=0 -DLT=-1 -DGT=1 -DUNORD=-127 -DNE=1
#include "Inputs/std-compare.h"
// Ensure we don't emit definitions for the global variables
// since the builtins shouldn't ODR use them.
// CHECK-NOT: constant %[[SO]]
// CHECK-NOT: constant %[[PO]]
// CHECK-LABEL: @_Z11test_signedii
auto test_signed(int x, int y) {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK: %cmp.lt = icmp slt i32 %{{.+}}, %{{.+}}
// CHECK: %sel.lt = select i1 %cmp.lt, i8 [[LT]], i8 [[GT]]
// CHECK: %cmp.eq = icmp eq i32 %{{.+}}, %{{.+}}
// CHECK: %sel.eq = select i1 %cmp.eq, i8 [[EQ]], i8 %sel.lt
// CHECK: %__value_ = getelementptr inbounds %[[SO]], %[[SO]]* %[[DEST]]
// CHECK: store i8 %sel.eq, i8* %__value_, align 1
// CHECK: ret
return x <=> y;
}
// CHECK-LABEL: @_Z13test_unsignedjj
auto test_unsigned(unsigned x, unsigned y) {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK: %cmp.lt = icmp ult i32 %{{.+}}, %{{.+}}
// CHECK: %sel.lt = select i1 %cmp.lt, i8 [[LT]], i8 [[GT]]
// CHECK: %cmp.eq = icmp eq i32 %{{.+}}, %{{.+}}
// CHECK: %sel.eq = select i1 %cmp.eq, i8 [[EQ]], i8 %sel.lt
// CHECK: %__value_ = getelementptr inbounds %[[SO]], %[[SO]]* %[[DEST]]
// CHECK: store i8 %sel.eq, i8* %__value_
// CHECK: ret
return x <=> y;
}
// CHECK-LABEL: @_Z10float_testdd
auto float_test(double x, double y) {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK: %cmp.eq = fcmp oeq double %{{.+}}, %{{.+}}
// CHECK: %sel.eq = select i1 %cmp.eq, i8 [[EQ]], i8 [[UNORD]]
// CHECK: %cmp.gt = fcmp ogt double %{{.+}}, %{{.+}}
// CHECK: %sel.gt = select i1 %cmp.gt, i8 [[GT]], i8 %sel.eq
// CHECK: %cmp.lt = fcmp olt double %{{.+}}, %{{.+}}
// CHECK: %sel.lt = select i1 %cmp.lt, i8 [[LT]], i8 %sel.gt
// CHECK: %__value_ = getelementptr inbounds %[[PO]], %[[PO]]* %[[DEST]]
// CHECK: store i8 %sel.lt, i8* %__value_
// CHECK: ret
return x <=> y;
}
// CHECK-LABEL: @_Z8ptr_testPiS_
auto ptr_test(int *x, int *y) {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK: %cmp.lt = icmp ult i32* %{{.+}}, %{{.+}}
// CHECK: %sel.lt = select i1 %cmp.lt, i8 [[LT]], i8 [[GT]]
// CHECK: %cmp.eq = icmp eq i32* %{{.+}}, %{{.+}}
// CHECK: %sel.eq = select i1 %cmp.eq, i8 [[EQ]], i8 %sel.lt
// CHECK: %__value_ = getelementptr inbounds %[[SO]], %[[SO]]* %[[DEST]]
// CHECK: store i8 %sel.eq, i8* %__value_, align 1
// CHECK: ret
return x <=> y;
}
// CHECK-LABEL: @_Z13test_constantv
auto test_constant() {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK-NOT: icmp
// CHECK: %__value_ = getelementptr inbounds %[[SO]], %[[SO]]* %[[DEST]]
// CHECK-NEXT: store i8 -1, i8* %__value_
// CHECK: ret
const int x = 42;
const int y = 101;
return x <=> y;
}
// CHECK-LABEL: @_Z18unscoped_enum_testijxy
void unscoped_enum_test(int i, unsigned u, long long l, unsigned long long ul) {
enum EnumA : int { A };
enum EnumB : unsigned { B };
// CHECK: %[[I:.*]] = load {{.*}} %i.addr
// CHECK: icmp slt i32 {{.*}} %[[I]]
(void)(A <=> i);
// CHECK: %[[U:.*]] = load {{.*}} %u.addr
// CHECK: icmp ult i32 {{.*}} %[[U]]
(void)(A <=> u);
// CHECK: %[[L:.*]] = load {{.*}} %l.addr
// CHECK: icmp slt i64 {{.*}} %[[L]]
(void)(A <=> l);
// CHECK: %[[U2:.*]] = load {{.*}} %u.addr
// CHECK: icmp ult i32 {{.*}} %[[U2]]
(void)(B <=> u);
// CHECK: %[[UL:.*]] = load {{.*}} %ul.addr
// CHECK: icmp ult i64 {{.*}} %[[UL]]
(void)(B <=> ul);
}