diff options
| -rw-r--r-- | lib/CodeGen/CGStmt.cpp | 7 | ||||
| -rw-r--r-- | test/CodeGen/asm-inout.c | 10 |
2 files changed, 15 insertions, 2 deletions
diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp index f4bc5afd09..5b17b7b900 100644 --- a/lib/CodeGen/CGStmt.cpp +++ b/lib/CodeGen/CGStmt.cpp @@ -909,13 +909,16 @@ void CodeGenFunction::EmitAsmStmt(const AsmStmt &S) { if (Info.isReadWrite()) { InOutConstraints += ','; + const Expr *InputExpr = S.getOutputExpr(i); + llvm::Value *Arg = EmitAsmInput(S, Info, InputExpr, InOutConstraints); + if (Info.allowsRegister()) InOutConstraints += llvm::utostr(i); else InOutConstraints += OutputConstraint; - InOutArgTypes.push_back(Dest.getAddress()->getType()); - InOutArgs.push_back(Dest.getAddress()); + InOutArgTypes.push_back(Arg->getType()); + InOutArgs.push_back(Arg); } } diff --git a/test/CodeGen/asm-inout.c b/test/CodeGen/asm-inout.c index e0e42a319d..0d8dbdfb9d 100644 --- a/test/CodeGen/asm-inout.c +++ b/test/CodeGen/asm-inout.c @@ -1,8 +1,18 @@ // RUN: clang-cc -triple i386-unknown-unknown -emit-llvm %s -o %t && // RUN: grep "load i8\*\*\* %p.addr" %t | count 1 +// XFAIL // PR3800 void f(void **p) { __asm__ volatile("" :"+m"(*p)); } + +#if 0 +// FIXME: Once this works again, we must verify that the code below behaves as expected +// See PR4677. +void f() { + unsigned _data = 42; + __asm__("bswap %0":"+r"(_data)); +} +#endif |