From 5a23264452fbf8ad3c65e0869fa902f7a0e918a1 Mon Sep 17 00:00:00 2001 From: Anders Carlsson Date: Sun, 2 Aug 2009 03:40:19 +0000 Subject: [PATCH] Don't evaluate inout constraints twice. Fixes PR3800. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77854 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/CGStmt.cpp | 4 ++-- test/CodeGen/asm-inout.c | 8 ++++++++ 2 files changed, 10 insertions(+), 2 deletions(-) create mode 100644 test/CodeGen/asm-inout.c diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp index 5b17b7b900..2361c4a334 100644 --- a/lib/CodeGen/CGStmt.cpp +++ b/lib/CodeGen/CGStmt.cpp @@ -917,8 +917,8 @@ void CodeGenFunction::EmitAsmStmt(const AsmStmt &S) { else InOutConstraints += OutputConstraint; - InOutArgTypes.push_back(Arg->getType()); - InOutArgs.push_back(Arg); + InOutArgTypes.push_back(Dest.getAddress()->getType()); + InOutArgs.push_back(Dest.getAddress()); } } diff --git a/test/CodeGen/asm-inout.c b/test/CodeGen/asm-inout.c new file mode 100644 index 0000000000..e0e42a319d --- /dev/null +++ b/test/CodeGen/asm-inout.c @@ -0,0 +1,8 @@ +// RUN: clang-cc -triple i386-unknown-unknown -emit-llvm %s -o %t && +// RUN: grep "load i8\*\*\* %p.addr" %t | count 1 + +// PR3800 +void f(void **p) +{ + __asm__ volatile("" :"+m"(*p)); +} -- 2.40.0