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llvm-project/clang/test/CodeGen/inline-asm-mixed-style.c

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Correctly parse GCC-style asm line following MS-style asm line. Quit parsing MS-style inline assembly if the following statement has GCC style. Enables compilation of code like void f() { __asm mov ebx, ecx __asm__("movl %ecx, %edx"); } Differential Revision: http://reviews.llvm.org/D18652 llvm-svn: 266976
2016-04-21 18:59:18 +08:00
// RUN: %clang_cc1 -triple i386-unknown-unknown -fasm-blocks -fsyntax-only -verify %s -DCHECK_ASM_GOTO
// RUN: %clang_cc1 -triple i386-unknown-unknown -fasm-blocks -O0 -emit-llvm -S %s -o - | FileCheck %s
[x86] Force mixes asm syntax test to check for x86 llvm-svn: 266993
2016-04-21 22:40:06 +08:00
// REQUIRES: x86-registered-target
Correctly parse GCC-style asm line following MS-style asm line. Quit parsing MS-style inline assembly if the following statement has GCC style. Enables compilation of code like void f() { __asm mov ebx, ecx __asm__("movl %ecx, %edx"); } Differential Revision: http://reviews.llvm.org/D18652 llvm-svn: 266976
2016-04-21 18:59:18 +08:00
void f() {
__asm mov eax, ebx
__asm mov ebx, ecx
__asm__("movl %ecx, %edx");
// CHECK: movl %ebx, %eax
// CHECK: movl %ecx, %ebx
// CHECK: movl %ecx, %edx
__asm mov eax, ebx
__asm volatile ("movl %ecx, %edx");
// CHECK: movl %ebx, %eax
// CHECK: movl %ecx, %edx
__asm mov eax, ebx
__asm const ("movl %ecx, %edx"); // expected-warning {{ignored const qualifier on asm}}
// CHECK: movl %ebx, %eax
// CHECK: movl %ecx, %edx
#ifdef CHECK_ASM_GOTO
__asm volatile goto ("movl %ecx, %edx"); // expected-error {{'asm goto' constructs are not supported yet}}
__asm mov eax, ebx
__asm goto ("movl %ecx, %edx"); // expected-error {{'asm goto' constructs are not supported yet}}
#endif
}