aboutsummaryrefslogtreecommitdiff
path: root/lib/CodeGen
diff options
context:
space:
mode:
authorBill Wendling <isanbard@gmail.com>2011-12-19 23:53:28 +0000
committerBill Wendling <isanbard@gmail.com>2011-12-19 23:53:28 +0000
commit6446c3e3600032c5f17ca2324a4581b9301afa59 (patch)
tree9107e593e1c2c3cc946f15e67dcd57dc3eba77a0 /lib/CodeGen
parentd71f44266a598ab174f17435289526bbb57000e2 (diff)
Mark the calls to the _setjmp function as returns twice. <rdar://problem/10492556>
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146926 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
-rw-r--r--lib/CodeGen/CGObjCMac.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/CGObjCMac.cpp b/lib/CodeGen/CGObjCMac.cpp
index c3cca394a8..121395676f 100644
--- a/lib/CodeGen/CGObjCMac.cpp
+++ b/lib/CodeGen/CGObjCMac.cpp
@@ -3045,6 +3045,7 @@ void CGObjCMac::EmitTryOrSynchronizedStmt(CodeGen::CodeGenFunction &CGF,
llvm::CallInst *SetJmpResult =
CGF.Builder.CreateCall(ObjCTypes.getSetJmpFn(), SetJmpBuffer, "setjmp_result");
SetJmpResult->setDoesNotThrow();
+ SetJmpResult->setCanReturnTwice();
// If setjmp returned 0, enter the protected block; otherwise,
// branch to the handler.
@@ -3110,6 +3111,7 @@ void CGObjCMac::EmitTryOrSynchronizedStmt(CodeGen::CodeGenFunction &CGF,
CGF.Builder.CreateCall(ObjCTypes.getSetJmpFn(), SetJmpBuffer,
"setjmp.result");
SetJmpResult->setDoesNotThrow();
+ SetJmpResult->setCanReturnTwice();
llvm::Value *Threw =
CGF.Builder.CreateIsNotNull(SetJmpResult, "did_catch_exception");