Files
clang-p2996/clang/test/CodeGenCXX/cxx2a-compare.cpp
Eric Fiselier 98a1cab694 [C++2a] Implement operator<=>: Fix another bug in the code gen tests.
Sorry for the failures. I'm quite new at writing code gen tests, and
I'm not sure the best way to make them portable.

llvm-svn: 331745
2018-05-08 07:56:05 +00:00

189 lines
6.6 KiB
C++

// RUN: %clang_cc1 -std=c++2a -emit-llvm %s -o - -triple %itanium_abi_triple | \
// RUN: FileCheck %s \
// RUN: '-DWE="class.std::__1::weak_equality"' \
// RUN: '-DSO="class.std::__1::strong_ordering"' \
// RUN: '-DSE="class.std::__1::strong_equality"' \
// 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 %[[SE]]
// CHECK-NOT: constant %[[WE]]
// 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 %0, %1
// CHECK: %sel.lt = select i1 %cmp.lt, i8 [[LT]], i8 [[GT]]
// CHECK: %cmp.eq = icmp eq i32 %0, %1
// 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 %0, %1
// CHECK: %sel.lt = select i1 %cmp.lt, i8 [[LT]], i8 [[GT]]
// CHECK: %cmp.eq = icmp eq i32 %0, %1
// 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 %0, %1
// CHECK: %sel.eq = select i1 %cmp.eq, i8 [[EQ]], i8 [[UNORD]]
// CHECK: %cmp.gt = fcmp ogt double %0, %1
// CHECK: %sel.gt = select i1 %cmp.gt, i8 [[GT]], i8 %sel.eq
// CHECK: %cmp.lt = fcmp olt double %0, %1
// 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* %0, %1
// CHECK: %sel.lt = select i1 %cmp.lt, i8 [[LT]], i8 [[GT]]
// CHECK: %cmp.eq = icmp eq i32* %0, %1
// 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;
}
struct MemPtr {};
using MemPtrT = void (MemPtr::*)();
using MemDataT = int(MemPtr::*);
// CHECK-LABEL: @_Z12mem_ptr_testM6MemPtrFvvES1_
auto mem_ptr_test(MemPtrT x, MemPtrT y) {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK: %cmp.ptr = icmp eq [[TY:i[0-9]+]] %lhs.memptr.ptr, %rhs.memptr.ptr
// CHECK: %cmp.ptr.null = icmp eq [[TY]] %lhs.memptr.ptr, 0
// CHECK: %cmp.adj = icmp eq [[TY]] %lhs.memptr.adj, %rhs.memptr.adj
// CHECK: %[[OR:.*]] = or i1
// CHECK-SAME %cmp.adj
// CHECK: %memptr.eq = and i1 %cmp.ptr, %[[OR]]
// CHECK: %sel.eq = select i1 %memptr.eq, i8 [[EQ]], i8 [[NE]]
// CHECK: %__value_ = getelementptr inbounds %[[SE]], %[[SE]]* %[[DEST]]
// CHECK: store i8 %sel.eq, i8* %__value_, align 1
// CHECK: ret
return x <=> y;
}
// CHECK-LABEL: @_Z13mem_data_testM6MemPtriS0_
auto mem_data_test(MemDataT x, MemDataT y) {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK: %[[CMP:.*]] = icmp eq i{{[0-9]+}} %0, %1
// CHECK: %sel.eq = select i1 %[[CMP]], i8 [[EQ]], i8 [[NE]]
// CHECK: %__value_ = getelementptr inbounds %[[SE]], %[[SE]]* %[[DEST]]
// CHECK: store i8 %sel.eq, i8* %__value_, align 1
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: @_Z16test_nullptr_objPiDn
auto test_nullptr_obj(int* x, decltype(nullptr) y) {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK: %cmp.eq = icmp eq i32* %0, null
// CHECK: %sel.eq = select i1 %cmp.eq, i8 [[EQ]], i8 [[NE]]
// CHECK: %__value_ = getelementptr inbounds %[[SE]], %[[SE]]* %[[DEST]]
// CHECK: store i8 %sel.eq, i8* %__value_, align 1
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);
}
namespace NullptrTest {
using nullptr_t = decltype(nullptr);
// CHECK-LABEL: @_ZN11NullptrTest4testEDnDn(
auto test(nullptr_t x, nullptr_t y) {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK-NOT: select
// CHECK: %__value_ = getelementptr inbounds %[[SE]], %[[SE]]* %[[DEST]]
// CHECK-NEXT: store i8 [[EQ]], i8* %__value_
// CHECK: ret
return x <=> y;
}
} // namespace NullptrTest
namespace ComplexTest {
auto test_float(_Complex float x, _Complex float y) {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK: %cmp.eq.r = fcmp oeq float %x.real, %y.real
// CHECK: %cmp.eq.i = fcmp oeq float %x.imag, %y.imag
// CHECK: %and.eq = and i1 %cmp.eq.r, %cmp.eq.i
// CHECK: %sel.eq = select i1 %and.eq, i8 [[EQ]], i8 [[NE]]
// CHECK: %__value_ = getelementptr inbounds %[[WE]], %[[WE]]* %[[DEST]]
// CHECK: store i8 %sel.eq, i8* %__value_, align 1
return x <=> y;
}
// CHECK-LABEL: @_ZN11ComplexTest8test_intECiS0_(
auto test_int(_Complex int x, _Complex int y) {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK: %cmp.eq.r = icmp eq i32 %x.real, %y.real
// CHECK: %cmp.eq.i = icmp eq i32 %x.imag, %y.imag
// CHECK: %and.eq = and i1 %cmp.eq.r, %cmp.eq.i
// CHECK: %sel.eq = select i1 %and.eq, i8 [[EQ]], i8 [[NE]]
// CHECK: %__value_ = getelementptr inbounds %[[SE]], %[[SE]]* %[[DEST]]
// CHECK: store i8 %sel.eq, i8* %__value_, align 1
return x <=> y;
}
} // namespace ComplexTest