diff options
| author | Chris Lattner <sabre@nondot.org> | 2011-04-17 00:54:30 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2011-04-17 00:54:30 +0000 |
| commit | b11f9198111796ada02b57f62cdea92134fde9f7 (patch) | |
| tree | ef962f36d01588087abb2b0701ce24cc18d1c62b /lib/CodeGen/CodeGenFunction.h | |
| parent | a5e5e0f41e1dcee4603244ccea3d3956c55c23ac (diff) | |
implement rdar://9289524 - case followed immediately by break results in empty IR block,
a -O0 code quality issue.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129652 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CodeGenFunction.h')
| -rw-r--r-- | lib/CodeGen/CodeGenFunction.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h index fa86f056ad..913b5dfa7d 100644 --- a/lib/CodeGen/CodeGenFunction.h +++ b/lib/CodeGen/CodeGenFunction.h @@ -769,6 +769,11 @@ public: /// block through the normal cleanup handling code (if any) and then /// on to \arg Dest. void EmitBranchThroughCleanup(JumpDest Dest); + + /// isObviouslyBranchWithoutCleanups - Return true if a branch to the + /// specified destination obviously has no cleanups to run. 'false' is always + /// a conservatively correct answer for this method. + bool isObviouslyBranchWithoutCleanups(JumpDest Dest) const; /// EmitBranchThroughEHCleanup - Emit a branch from the current /// insert block through the EH cleanup handling code (if any) and |