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Diffstat (limited to 'lib/CodeGen/MachineVerifier.cpp')
-rw-r--r--lib/CodeGen/MachineVerifier.cpp19
1 files changed, 11 insertions, 8 deletions
diff --git a/lib/CodeGen/MachineVerifier.cpp b/lib/CodeGen/MachineVerifier.cpp
index b4d6588bf4..02e48dd2fe 100644
--- a/lib/CodeGen/MachineVerifier.cpp
+++ b/lib/CodeGen/MachineVerifier.cpp
@@ -466,18 +466,11 @@ void
MachineVerifier::visitMachineInstrBefore(const MachineInstr *MI)
{
const TargetInstrDesc &TI = MI->getDesc();
- if (MI->getNumExplicitOperands() < TI.getNumOperands()) {
+ if (MI->getNumOperands() < TI.getNumOperands()) {
report("Too few operands", MI);
*OS << TI.getNumOperands() << " operands expected, but "
<< MI->getNumExplicitOperands() << " given.\n";
}
- if (!TI.isVariadic()) {
- if (MI->getNumExplicitOperands() > TI.getNumOperands()) {
- report("Too many operands", MI);
- *OS << TI.getNumOperands() << " operands expected, but "
- << MI->getNumExplicitOperands() << " given.\n";
- }
- }
}
void
@@ -494,6 +487,16 @@ MachineVerifier::visitMachineOperand(const MachineOperand *MO, unsigned MONum)
report("Explicit definition marked as use", MO, MONum);
else if (MO->isImplicit())
report("Explicit definition marked as implicit", MO, MONum);
+ } else if (MONum < TI.getNumOperands()) {
+ if (MO->isReg()) {
+ if (MO->isDef())
+ report("Explicit operand marked as def", MO, MONum);
+ if (MO->isImplicit())
+ report("Explicit operand marked as implicit", MO, MONum);
+ }
+ } else {
+ if (MO->isReg() && !MO->isImplicit() && !TI.isVariadic())
+ report("Extra explicit operand on non-variadic instruction", MO, MONum);
}
switch (MO->getType()) {