Rebased PNaCl localmods in LLVM to 223109

test/NaCl/X86/pnacl-hides-sandbox-x86-64.c

+/*
+  Object file built using:
+  pnacl-clang -S -O0 -emit-llvm -o pnacl-hides-sandbox-x86-64.ll \
+      pnacl-hides-sandbox-x86-64.c
+*/
+
+#include <stdlib.h>
+#include <stdio.h>
+
+void TestDirectCall(void) {
+  extern void DirectCallTarget(void);
+  DirectCallTarget();
+}
+
+void TestIndirectCall(void) {
+  extern void (*IndirectCallTarget)(void);
+  IndirectCallTarget();
+}
+
+void TestMaskedFramePointer(int Arg) {
+  extern void Consume(void *);
+  // Calling alloca() is one way to force the rbp frame pointer.
+  void *Tmp = alloca(Arg);
+  Consume(Tmp);
+}
+
+void TestMaskedFramePointerVarargs(int Arg, ...) {
+  extern void Consume(void *);
+  void *Tmp = alloca(Arg);
+  Consume(Tmp);
+}
+
+void TestIndirectJump(int Arg) {
+  switch (Arg) {
+  case 2:
+    puts("Prime 1");
+    break;
+  case 3:
+    puts("Prime 2");
+    break;
+  case 5:
+    puts("Prime 3");
+    break;
+  case 7:
+    puts("Prime 4");
+    break;
+  case 11:
+    puts("Prime 5");
+    break;
+  }
+}
+
+void TestReturn(void) {
+}