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Duncan is nervous about undefinedness of % with negatives. I'm
author
Chris Lattner
<sabre@nondot.org>
Sun, 11 Jan 2009 20:41:36 +0000
(20:41 +0000)
committer
Chris Lattner
<sabre@nondot.org>
Sun, 11 Jan 2009 20:41:36 +0000
(20:41 +0000)
not thrilled about 64-bit % in general, so rewrite to use * instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62047
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/Transforms/Scalar/InstructionCombining.cpp
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diff --git
a/lib/Transforms/Scalar/InstructionCombining.cpp
b/lib/Transforms/Scalar/InstructionCombining.cpp
index
b6604a9
..
4921531
100644
(file)
--- a/
lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/
lib/Transforms/Scalar/InstructionCombining.cpp
@@
-7710,7
+7710,7
@@
static bool FindElementAtOffset(const Type *Ty, int64_t Offset,
int64_t FirstIdx = 0;
if (int64_t TySize = TD->getABITypeSize(Ty)) {
FirstIdx = Offset/TySize;
- Offset
%=
TySize;
+ Offset
-= FirstIdx*
TySize;
// Handle hosts where % returns negative instead of values [0..TySize).
if (Offset < 0) {