Mercurial > hg > CbC > CbC_llvm
view clang/test/CodeGenCXX/microsoft-abi-byval-vararg.cpp @ 206:f17a3b42b08b
Added tag before-12 for changeset b7591485f4cd
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 07 Jun 2021 21:25:57 +0900 |
parents | 1d019706d866 |
children | 2e18cbf3894f |
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// RUN: %clang_cc1 -Wno-non-pod-varargs -emit-llvm %s -o - -triple=i686-pc-win32 -mconstructor-aliases -fno-rtti | FileCheck %s #include <stdarg.h> struct A { A(int a) : a(a) {} A(const A &o) : a(o.a) {} ~A() {} int a; }; int foo(A a, ...) { va_list ap; va_start(ap, a); int sum = 0; for (int i = 0; i < a.a; ++i) sum += va_arg(ap, int); va_end(ap); return sum; } // CHECK-LABEL: define dso_local i32 @"?foo@@YAHUA@@ZZ"(<{ %struct.A }>* inalloca %0, ...) int main() { return foo(A(3), 1, 2, 3); } // CHECK-LABEL: define dso_local i32 @main() // CHECK: %[[argmem:[^ ]*]] = alloca inalloca <{ %struct.A, i32, i32, i32 }> // CHECK: call i32 {{.*bitcast.*}}@"?foo@@YAHUA@@ZZ"{{.*}}(<{ %struct.A, i32, i32, i32 }>* inalloca %[[argmem]]) void varargs_zero(...); void varargs_one(int, ...); void varargs_two(int, int, ...); void varargs_three(int, int, int, ...); void call_var_args() { A x(3); varargs_zero(x); varargs_one(1, x); varargs_two(1, 2, x); varargs_three(1, 2, 3, x); } // CHECK-LABEL: define dso_local void @"?call_var_args@@YAXXZ"() // CHECK: call void {{.*bitcast.*varargs_zero.*}}(<{ %struct.A }>* inalloca %{{.*}}) // CHECK: call void {{.*bitcast.*varargs_one.*}}(<{ i32, %struct.A }>* inalloca %{{.*}}) // CHECK: call void {{.*bitcast.*varargs_two.*}}(<{ i32, i32, %struct.A }>* inalloca %{{.*}}) // CHECK: call void {{.*bitcast.*varargs_three.*}}(<{ i32, i32, i32, %struct.A }>* inalloca %{{.*}}) // CHECK-LABEL: declare dso_local void @"?varargs_zero@@YAXZZ"(...) // CHECK-LABEL: declare dso_local void @"?varargs_one@@YAXHZZ"(i32, ...) // CHECK-LABEL: declare dso_local void @"?varargs_two@@YAXHHZZ"(i32, i32, ...) // CHECK-LABEL: declare dso_local void @"?varargs_three@@YAXHHHZZ"(i32, i32, i32, ...)