commit e2c4506979ed66549656a521e017881e506fb2c3
author Chad Rosier <mcrosier@apple.com> Sat Feb 25 02:56:13 2012 +0000
committer Chad Rosier <mcrosier@apple.com> Sat Feb 25 02:56:13 2012 +0000
tree 544ae86a3fb57e4083033add587957cb1ef007b7
parent 07d37bc1edafcf53ffc334ec0a35236e636471dc

Prevent llvm.lifetime intrinsics from being emitted at -O0.
rdar://10921594

llvm-svn: 151430

clang/lib/CodeGen/BackendUtil.cpp

diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index e244734..d175bd5 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -184,7 +184,11 @@
   }
   case CodeGenOptions::OnlyAlwaysInlining:
     // Respect always_inline.
-    PMBuilder.Inliner = createAlwaysInlinerPass();
+    if (OptLevel == 0)
+      // Do not insert lifetime intrinsics at -O0.
+      PMBuilder.Inliner = createAlwaysInlinerPass(false);
+    else
+      PMBuilder.Inliner = createAlwaysInlinerPass();
     break;
   }