From 1c2ed83960fd79727d0f34b11ee361c37c953923 Mon Sep 17 00:00:00 2001 From: Heiko Eißfeldt Date: Wed, 12 Jun 2019 17:20:25 +0200 Subject: bugfixes from pbst for laf-intel transformations --- llvm_mode/split-switches-pass.so.cc | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'llvm_mode/split-switches-pass.so.cc') diff --git a/llvm_mode/split-switches-pass.so.cc b/llvm_mode/split-switches-pass.so.cc index 8d4db292..bed39bc3 100644 --- a/llvm_mode/split-switches-pass.so.cc +++ b/llvm_mode/split-switches-pass.so.cc @@ -259,7 +259,9 @@ bool SplitSwitchesTransform::splitSwitches(Module &M) { #else Cases.push_back(CaseExpr(i->getCaseValue(), i->getCaseSuccessor())); #endif - std::vector bytesChecked(Cases[0].Val->getBitWidth() / 8, false); + /* bugfix thanks to pbst + * round up bytesChecked (in case getBitWidth() % 8 != 0) */ + std::vector bytesChecked((7 + Cases[0].Val->getBitWidth()) / 8, false); BasicBlock* SwitchBlock = switchConvert(Cases, bytesChecked, OrigBlock, NewDefault, Val, 0); /* Branch to our shiny new if-then stuff... */ -- cgit 1.4.1