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authorPeter Collingbourne <peter@pcc.me.uk>2012-03-26 21:52:47 +0000
committerPeter Collingbourne <peter@pcc.me.uk>2012-03-26 21:52:47 +0000
commit828557b1347c429e71c571d934f51d768c212999 (patch)
tree3b6cb17dd5b399cd1e31fe19ceb8934e489c596a /lib/Solver/STPBuilder.h
parent0e6c50c168a757201bdac4f0d442d248bd85de9c (diff)
downloadklee-828557b1347c429e71c571d934f51d768c212999.tar.gz
STPBuilder: fix getShiftBits properly.
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@153475 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Solver/STPBuilder.h')
-rw-r--r--lib/Solver/STPBuilder.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/Solver/STPBuilder.h b/lib/Solver/STPBuilder.h
index 7cc026bc..2b34c911 100644
--- a/lib/Solver/STPBuilder.h
+++ b/lib/Solver/STPBuilder.h
@@ -73,7 +73,11 @@ class STPBuilder {
 
 private:
   unsigned getShiftBits(unsigned amount) {
-    return (amount > 32) ? 6 : 5;
+    unsigned bits = 1;
+    amount--;
+    while (amount >>= 1)
+      bits++;
+    return bits;
   }
 
   ExprHandle bvOne(unsigned width);