File: vararg-non-pod-ms-compat.cpp

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (28 lines) | stat: -rw-r--r-- 952 bytes parent folder | download | duplicates (8) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
// RUN: %clang_cc1 -Wno-error=non-pod-varargs -triple i686-pc-win32 -fms-compatibility -emit-llvm -o - %s | FileCheck %s -check-prefix=X86 -check-prefix=CHECK
// RUN: %clang_cc1 -Wno-error=non-pod-varargs -triple x86_64-pc-win32 -fms-compatibility -emit-llvm -o - %s | FileCheck %s -check-prefix=X64 -check-prefix=CHECK

struct X {
  X();
  ~X();
  int data;
};

void vararg(...);

void test(X x) {
  // CHECK-LABEL: define dso_local void @"?test@@YAXUX@@@Z"

  // X86: %[[argmem:[^ ]*]] = alloca inalloca <{ %struct.X }>
  // X86: call void (ptr, ...) @"?vararg@@YAXZZ"(ptr inalloca(<{ %struct.X }>) %[[argmem]])

  // X64: alloca %struct.X

  // X64: %[[agg:[^ ]*]] = alloca %struct.X
  // X64: %[[valptr:[^ ]*]] = getelementptr inbounds %struct.X, ptr %[[agg]], i32 0, i32 0
  // X64: %[[val:[^ ]*]] = load i32, ptr %[[valptr]]
  // X64: call void (...) @"?vararg@@YAXZZ"(i32 %[[val]])

  // CHECK-NOT: llvm.trap
  vararg(x);
  // CHECK: ret void
}