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authorJakob Stoklund Olesen <stoklund@2pi.dk>2012-08-23 19:34:46 +0000
committerJakob Stoklund Olesen <stoklund@2pi.dk>2012-08-23 19:34:46 +0000
commitc1f10fd5b9a780d1c42dca7143d7a8acd9bd9377 (patch)
tree46fdaf33b0229d8d1e181de9f10f58281a4facfe /utils
parentf104bf65b9d748618d23caa37b2407fe9c2b174c (diff)
Tristate mayLoad, mayStore, and hasSideEffects.
Keep track of the set/unset state of these bits along with their true/false values, but treat '?' as '0' for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162461 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils')
-rw-r--r--utils/TableGen/CodeGenInstruction.cpp9
-rw-r--r--utils/TableGen/CodeGenInstruction.h6
2 files changed, 11 insertions, 4 deletions
diff --git a/utils/TableGen/CodeGenInstruction.cpp b/utils/TableGen/CodeGenInstruction.cpp
index cbfa047e0c..e3a05d09dc 100644
--- a/utils/TableGen/CodeGenInstruction.cpp
+++ b/utils/TableGen/CodeGenInstruction.cpp
@@ -301,8 +301,6 @@ CodeGenInstruction::CodeGenInstruction(Record *R) : TheDef(R), Operands(R) {
isBarrier = R->getValueAsBit("isBarrier");
isCall = R->getValueAsBit("isCall");
canFoldAsLoad = R->getValueAsBit("canFoldAsLoad");
- mayLoad = R->getValueAsBit("mayLoad");
- mayStore = R->getValueAsBit("mayStore");
isPredicable = Operands.isPredicable || R->getValueAsBit("isPredicable");
isConvertibleToThreeAddress = R->getValueAsBit("isConvertibleToThreeAddress");
isCommutable = R->getValueAsBit("isCommutable");
@@ -313,8 +311,13 @@ CodeGenInstruction::CodeGenInstruction(Record *R) : TheDef(R), Operands(R) {
hasPostISelHook = R->getValueAsBit("hasPostISelHook");
hasCtrlDep = R->getValueAsBit("hasCtrlDep");
isNotDuplicable = R->getValueAsBit("isNotDuplicable");
- hasSideEffects = R->getValueAsBit("hasSideEffects");
+
+ mayLoad = R->getValueAsBitOrUnset("mayLoad", mayLoad_Unset);
+ mayStore = R->getValueAsBitOrUnset("mayStore", mayStore_Unset);
+ hasSideEffects = R->getValueAsBitOrUnset("hasSideEffects",
+ hasSideEffects_Unset);
neverHasSideEffects = R->getValueAsBit("neverHasSideEffects");
+
isAsCheapAsAMove = R->getValueAsBit("isAsCheapAsAMove");
hasExtraSrcRegAllocReq = R->getValueAsBit("hasExtraSrcRegAllocReq");
hasExtraDefRegAllocReq = R->getValueAsBit("hasExtraDefRegAllocReq");
diff --git a/utils/TableGen/CodeGenInstruction.h b/utils/TableGen/CodeGenInstruction.h
index 7484237731..7637a5b5c8 100644
--- a/utils/TableGen/CodeGenInstruction.h
+++ b/utils/TableGen/CodeGenInstruction.h
@@ -226,7 +226,10 @@ namespace llvm {
bool isBarrier;
bool isCall;
bool canFoldAsLoad;
- bool mayLoad, mayStore;
+ bool mayLoad;
+ bool mayLoad_Unset;
+ bool mayStore;
+ bool mayStore_Unset;
bool isPredicable;
bool isConvertibleToThreeAddress;
bool isCommutable;
@@ -238,6 +241,7 @@ namespace llvm {
bool hasCtrlDep;
bool isNotDuplicable;
bool hasSideEffects;
+ bool hasSideEffects_Unset;
bool neverHasSideEffects;
bool isAsCheapAsAMove;
bool hasExtraSrcRegAllocReq;