Prevent llvm.lifetime intrinsics from being emitted at -O0.

rdar://10921594 llvm-svn: 151430
2012-02-25 02:56:13 +00:00 · 2012-02-25 02:56:13 +00:00 · e2c4506979
parent 07d37bc1ed
commit e2c4506979
1 changed files with 5 additions and 1 deletions
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@ -184,7 +184,11 @@ void EmitAssemblyHelper::CreatePasses() {
  }
  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;
  }