From 4d74f68bdcfeab629970a41b69b96ac709b08a2b Mon Sep 17 00:00:00 2001
From: ed <ed@FreeBSD.org>
Date: Tue, 23 Jun 2009 14:50:01 +0000
Subject: Import LLVM r73954.

---
 lib/Analysis/ValueTracking.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'lib/Analysis/ValueTracking.cpp')

diff --git a/lib/Analysis/ValueTracking.cpp b/lib/Analysis/ValueTracking.cpp
index 17ffa2d..7509e91 100644
--- a/lib/Analysis/ValueTracking.cpp
+++ b/lib/Analysis/ValueTracking.cpp
@@ -624,8 +624,12 @@ bool llvm::MaskedValueIsZero(Value *V, const APInt &Mask,
 /// 'Op' must have a scalar integer type.
 ///
 unsigned llvm::ComputeNumSignBits(Value *V, TargetData *TD, unsigned Depth) {
+  assert((TD || V->getType()->isIntOrIntVector()) &&
+         "ComputeNumSignBits requires a TargetData object to operate "
+         "on non-integer values!");
   const Type *Ty = V->getType();
-  unsigned TyBits = Ty->getScalarSizeInBits();
+  unsigned TyBits = TD ? TD->getTypeSizeInBits(V->getType()->getScalarType()) :
+                         Ty->getScalarSizeInBits();
   unsigned Tmp, Tmp2;
   unsigned FirstAnswer = 1;
 
-- 
cgit v1.1