diff options
Diffstat (limited to 'lib/Transforms/Scalar/CodeGenPrepare.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/CodeGenPrepare.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/CodeGenPrepare.cpp b/lib/Transforms/Scalar/CodeGenPrepare.cpp index 59121078cb..e97b90f8ff 100644 --- a/lib/Transforms/Scalar/CodeGenPrepare.cpp +++ b/lib/Transforms/Scalar/CodeGenPrepare.cpp @@ -662,6 +662,7 @@ bool CodeGenPrepare::OptimizeCallInst(CallInst *CI) { /// DupRetToEnableTailCallOpts - Look for opportunities to duplicate return /// instructions to the predecessor to enable tail call optimizations. The /// case it is currently looking for is: +/// @code /// bb0: /// %tmp0 = tail call i32 @f0() /// br label %return @@ -674,9 +675,11 @@ bool CodeGenPrepare::OptimizeCallInst(CallInst *CI) { /// return: /// %retval = phi i32 [ %tmp0, %bb0 ], [ %tmp1, %bb1 ], [ %tmp2, %bb2 ] /// ret i32 %retval +/// @endcode /// /// => /// +/// @code /// bb0: /// %tmp0 = tail call i32 @f0() /// ret i32 %tmp0 @@ -686,7 +689,7 @@ bool CodeGenPrepare::OptimizeCallInst(CallInst *CI) { /// bb2: /// %tmp2 = tail call i32 @f2() /// ret i32 %tmp2 -/// +/// @endcode bool CodeGenPrepare::DupRetToEnableTailCallOpts(ReturnInst *RI) { if (!TLI) return false; |