Assume an inline asm might be a call, so we get

stack alignment right when it is.  This is not
ideal but conservatively correct.  Adjust a test
to compensate for changed stack offset value.
gcc.apple/asm-block-57.c

llvm-svn: 76120

llvm/lib/CodeGen/PrologEpilogInserter.cpp

@@ -148,6 +148,10 @@ void PEI::calculateCallsInformation(MachineFunction &Fn) {
         if (Size > MaxCallFrameSize) MaxCallFrameSize = Size;
         HasCalls = true;
         FrameSDOps.push_back(I);
+      } else if (I->getOpcode() == TargetInstrInfo::INLINEASM) {
+        // An InlineAsm might be a call; assume it is to get the stack frame
+        // aligned correctly for calls.
+        HasCalls = true;
       }
 
   MachineFrameInfo *FFI = Fn.getFrameInfo();

llvm/test/CodeGen/X86/inline-asm-tied.ll

@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin9 -O0 | grep {movl	%edx, 4(%esp)} | count 2
+; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin9 -O0 | grep {movl	%edx, 12(%esp)} | count 2
 ; rdar://6992609
 
 target triple = "i386-apple-darwin9.0"