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authorJakob Stoklund Olesen <stoklund@2pi.dk>2013-01-07 23:21:41 +0000
committerJakob Stoklund Olesen <stoklund@2pi.dk>2013-01-07 23:21:41 +0000
commitb2c79f2f630ed3e7da31ff8adb3014fb0ab47412 (patch)
tree44e909364e7790872c3f5e2247f7324a98e45f1f /include/llvm/CodeGen/MachineInstr.h
parent111e5fe7e089e0ffe73873848315ea5358120dfa (diff)
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Pack MachineInstr fields better.
This shrinks MachineInstr to 64 bytes (from 72). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171813 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen/MachineInstr.h')
-rw-r--r--include/llvm/CodeGen/MachineInstr.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h
index 76738e28c2..89521e8fdb 100644
--- a/include/llvm/CodeGen/MachineInstr.h
+++ b/include/llvm/CodeGen/MachineInstr.h
@@ -87,7 +87,7 @@ private:
// anything other than to convey comment
// information to AsmPrinter.
- uint16_t NumMemRefs; // information on memory references
+ uint8_t NumMemRefs; // Information on memory references.
mmo_iterator MemRefs;
DebugLoc debugLoc; // Source line information.
@@ -993,7 +993,8 @@ public:
/// list. This does not transfer ownership.
void setMemRefs(mmo_iterator NewMemRefs, mmo_iterator NewMemRefsEnd) {
MemRefs = NewMemRefs;
- NumMemRefs = NewMemRefsEnd - NewMemRefs;
+ NumMemRefs = uint8_t(NewMemRefsEnd - NewMemRefs);
+ assert(NumMemRefs == NewMemRefsEnd - NewMemRefs && "Too many memrefs");
}
private: