projects
/
oota-llvm.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
AsmWriter: MDBasicType: Recognize DW_ATE in 'encoding'
[oota-llvm.git]
/
lib
/
IR
/
Use.cpp
diff --git
a/lib/IR/Use.cpp
b/lib/IR/Use.cpp
index b6720e5676496789b8eed104663387965daf4d3f..cae845d99fe58fe3a943b4d38566f3339c7af805 100644
(file)
--- a/
lib/IR/Use.cpp
+++ b/
lib/IR/Use.cpp
@@
-8,33
+8,33
@@
//===----------------------------------------------------------------------===//
#include "llvm/IR/Use.h"
//===----------------------------------------------------------------------===//
#include "llvm/IR/Use.h"
+#include "llvm/IR/User.h"
#include "llvm/IR/Value.h"
#include <new>
namespace llvm {
void Use::swap(Use &RHS) {
#include "llvm/IR/Value.h"
#include <new>
namespace llvm {
void Use::swap(Use &RHS) {
- Value *V1(Val);
- Value *V2(RHS.Val);
- if (V1 != V2) {
- if (V1) {
- removeFromList();
- }
+ if (Val == RHS.Val)
+ return;
- if (V2) {
- RHS.removeFromList();
- Val = V2;
- V2->addUse(*this);
- } else {
- Val = 0;
- }
+ if (Val)
+ removeFromList();
- if (V1) {
- RHS.Val = V1;
- V1->addUse(RHS);
- } else {
- RHS.Val = 0;
- }
+ Value *OldVal = Val;
+ if (RHS.Val) {
+ RHS.removeFromList();
+ Val = RHS.Val;
+ Val->addUse(*this);
+ } else {
+ Val = nullptr;
+ }
+
+ if (OldVal) {
+ RHS.Val = OldVal;
+ RHS.Val->addUse(RHS);
+ } else {
+ RHS.Val = nullptr;
}
}
}
}
@@
-45,10
+45,14
@@
User *Use::getUser() const {
: reinterpret_cast<User *>(const_cast<Use *>(End));
}
: reinterpret_cast<User *>(const_cast<Use *>(End));
}
-// Sets up the waymarking algoritm's tags for a series of Uses. See the
+unsigned Use::getOperandNo() const {
+ return this - getUser()->op_begin();
+}
+
+// Sets up the waymarking algorithm's tags for a series of Uses. See the
// algorithm details here:
//
// algorithm details here:
//
-// http://www.llvm.org/docs/ProgrammersManual.html#
UserLayout
+// http://www.llvm.org/docs/ProgrammersManual.html#
the-waymarking-algorithm
//
Use *Use::initTags(Use *const Start, Use *Stop) {
ptrdiff_t Done = 0;
//
Use *Use::initTags(Use *const Start, Use *Stop) {
ptrdiff_t Done = 0;