maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

fix PR10415, tidying up IR representation of module level inline asm 

to avoid extraneous \n's.

llvm-svn: 135862
This commit is contained in:
Chris Lattner 2011-07-23 20:04:25 +00:00
parent 2a843827a2
commit 84037d3d0a
2 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
clang/lib/CodeGen/CodeGenModule.cpp
View File

@ -2186,6 +2186,8 @@ void CodeGenModule::EmitTopLevelDecl(Decl *D) {
const std::string &S = getModule().getModuleInlineAsm();
if (S.empty())
getModule().setModuleInlineAsm(AsmString);
else if (*--S.end() == '\n')
getModule().setModuleInlineAsm(S + AsmString.str());
else
getModule().setModuleInlineAsm(S + '\n' + AsmString.str());
break;

9
clang/test/CodeGen/asm.c
View File

@ -1,4 +1,13 @@
// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck %s
// PR10415
__asm__ ("foo1");
__asm__ ("foo2");
__asm__ ("foo3");
// CHECK: module asm "foo1"
// CHECK-NEXT: module asm "foo2"
// CHECK-NEXT: module asm "foo3"
void t1(int len) {
__asm__ volatile("" : "=&r"(len), "+&r"(len));
}