aboutsummaryrefslogtreecommitdiff
path: root/lib/Transforms/Utils/Local.cpp
diff options
context:
space:
mode:
authorMicah Villmow <villmow@gmail.com>2012-10-11 17:21:41 +0000
committerMicah Villmow <villmow@gmail.com>2012-10-11 17:21:41 +0000
commitf3840d2c16a4ec4c879a8ded402835746de380f8 (patch)
tree705fb3f3aea368f4880d2d672312e6b783528718 /lib/Transforms/Utils/Local.cpp
parentebba49395c189364c9ef77fb4c432856330ceca1 (diff)
Add in the first iteration of support for llvm/clang/lldb to allow variable per address space pointer sizes to be optimized correctly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165726 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/Local.cpp')
-rw-r--r--lib/Transforms/Utils/Local.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Transforms/Utils/Local.cpp b/lib/Transforms/Utils/Local.cpp
index a954d82c05..9729687a83 100644
--- a/lib/Transforms/Utils/Local.cpp
+++ b/lib/Transforms/Utils/Local.cpp
@@ -806,7 +806,8 @@ unsigned llvm::getOrEnforceKnownAlignment(Value *V, unsigned PrefAlign,
const DataLayout *TD) {
assert(V->getType()->isPointerTy() &&
"getOrEnforceKnownAlignment expects a pointer!");
- unsigned BitWidth = TD ? TD->getPointerSizeInBits() : 64;
+ unsigned AS = cast<PointerType>(V->getType())->getAddressSpace();
+ unsigned BitWidth = TD ? TD->getPointerSizeInBits(AS) : 64;
APInt KnownZero(BitWidth, 0), KnownOne(BitWidth, 0);
ComputeMaskedBits(V, KnownZero, KnownOne, TD);
unsigned TrailZ = KnownZero.countTrailingOnes();