[ms] Implement codegen for __leave.
Reviewed at http://reviews.llvm.org/D7575
llvm-svn: 228977
diff --git a/clang/lib/CodeGen/CGException.cpp b/clang/lib/CodeGen/CGException.cpp
index 4ec87e0..a76b3d8 100644
--- a/clang/lib/CodeGen/CGException.cpp
+++ b/clang/lib/CodeGen/CGException.cpp
@@ -1707,9 +1707,18 @@
SEHFinallyInfo FI;
EnterSEHTryStmt(S, FI);
{
+ JumpDest TryExit = getJumpDestInCurrentScope("__try.__leave");
+ SEHTryEpilogueStack.push_back(&TryExit);
+
// Disable inlining inside SEH __try scopes.
SaveAndRestore<bool> Saver(IsSEHTryScope, true);
EmitStmt(S.getTryBlock());
+
+ if (!TryExit.getBlock()->use_empty())
+ EmitBlock(TryExit.getBlock(), /*IsFinished=*/true);
+ else
+ delete TryExit.getBlock();
+ SEHTryEpilogueStack.pop_back();
}
ExitSEHTryStmt(S, FI);
}
@@ -1988,5 +1997,13 @@
}
void CodeGenFunction::EmitSEHLeaveStmt(const SEHLeaveStmt &S) {
- CGM.ErrorUnsupported(&S, "SEH __leave");
+ // If this code is reachable then emit a stop point (if generating
+ // debug info). We have to do this ourselves because we are on the
+ // "simple" statement path.
+ if (HaveInsertPoint())
+ EmitStopPoint(&S);
+
+ assert(!SEHTryEpilogueStack.empty() &&
+ "sema should have rejected this __leave");
+ EmitBranchThroughCleanup(*SEHTryEpilogueStack.back());
}