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authorMatthijs Kooijman <matthijs@stdin.nl>2008-06-05 08:57:20 +0000
committerMatthijs Kooijman <matthijs@stdin.nl>2008-06-05 08:57:20 +0000
commit47c6fd73172b07211ffaaad7189847ccd2416a73 (patch)
treeb4ac9d823367bc2de5461c37d9b884e156489a4d /lib/Transforms/IPO
parent257da0a7fc2df19444e57e7c84a278c6c1b9b551 (diff)
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Let StructRetPromotion check if all if its users are really calls or invokesn,
not other instructions. This fixes a crash with the added testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51992 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/IPO')
-rw-r--r--lib/Transforms/IPO/StructRetPromotion.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Transforms/IPO/StructRetPromotion.cpp b/lib/Transforms/IPO/StructRetPromotion.cpp
index 97a532b8b1..94bf4c6d5f 100644
--- a/lib/Transforms/IPO/StructRetPromotion.cpp
+++ b/lib/Transforms/IPO/StructRetPromotion.cpp
@@ -165,6 +165,10 @@ bool SRETPromotion::isSafeToUpdateAllCallers(Function *F) {
CallSite CS = CallSite::get(*FnUseI);
Instruction *Call = CS.getInstruction();
+ // The function is used by something else than a call or invoke instruction,
+ // we can't change it!
+ if (!Call)
+ return false;
CallSite::arg_iterator AI = CS.arg_begin();
Value *FirstArg = *AI;