projects
/
oota-llvm.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(from parent 1:
39e357f
)
Fix crash in machine verifier when trying to print the def of a register which has...
author
Pete Cooper
<peter_cooper@apple.com>
Thu, 19 Jul 2012 23:40:38 +0000
(23:40 +0000)
committer
Pete Cooper
<peter_cooper@apple.com>
Thu, 19 Jul 2012 23:40:38 +0000
(23:40 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160531
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/CodeGen/MachineVerifier.cpp
patch
|
blob
|
history
diff --git
a/lib/CodeGen/MachineVerifier.cpp
b/lib/CodeGen/MachineVerifier.cpp
index fca051effafb1f8dffc6e16b6a97eace2e402c33..d8dece66d88f00071133066caf91e02e60c5fa35 100644
(file)
--- a/
lib/CodeGen/MachineVerifier.cpp
+++ b/
lib/CodeGen/MachineVerifier.cpp
@@
-837,6
+837,8
@@
void MachineVerifier::checkLiveness(const MachineOperand *MO, unsigned MONum) {
// Reserved registers may be used even when 'dead'.
if (!isReserved(Reg))
report("Using an undefined physical register", MO, MONum);
+ } else if (MRI->def_empty(Reg)) {
+ report("Reading virtual register without a def", MO, MONum);
} else {
BBInfo &MInfo = MBBInfoMap[MI->getParent()];
// We don't know which virtual registers are live in, so only complain