aboutsummaryrefslogtreecommitdiffstats
path: root/lib
diff options
context:
space:
mode:
authorDale Johannesen <dalej@apple.com>2008-05-23 01:01:31 +0000
committerDale Johannesen <dalej@apple.com>2008-05-23 01:01:31 +0000
commit9bca583f9d674eb27f492d46074f5621dd166f5a (patch)
treee3bf60d257da32968e967f4ab00acf60057ebb99 /lib
parentb1938263c7d0fcf8362717625a1a5c460cbf9528 (diff)
downloadexternal_llvm-9bca583f9d674eb27f492d46074f5621dd166f5a.zip
external_llvm-9bca583f9d674eb27f492d46074f5621dd166f5a.tar.gz
external_llvm-9bca583f9d674eb27f492d46074f5621dd166f5a.tar.bz2
Allow for switch with no cases. Was causing fault
in gcc.dg/pr27531-1.c. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51464 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r--lib/Transforms/Scalar/SCCP.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/SCCP.cpp b/lib/Transforms/Scalar/SCCP.cpp
index 9c17b77..79cda33 100644
--- a/lib/Transforms/Scalar/SCCP.cpp
+++ b/lib/Transforms/Scalar/SCCP.cpp
@@ -1379,6 +1379,8 @@ bool SCCPSolver::ResolvedUndefsIn(Function &F) {
if (!getValueState(BI->getCondition()).isUndefined())
continue;
} else if (SwitchInst *SI = dyn_cast<SwitchInst>(TI)) {
+ if (SI->getNumSuccessors()<2) // no cases
+ continue;
if (!getValueState(SI->getCondition()).isUndefined())
continue;
} else {