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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-01-16 20:38:31 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-01-16 20:38:31 +0000 |
| commit | 63c66724235ace1860e60a11ce2756d577387b29 (patch) | |
| tree | 5815936034df663cbdc2385f7a928ef10201bca9 /lib/CodeGen/RegisterScavenging.cpp | |
| parent | 7739cad69d2590f556afc9fc3048f967b5a3f4f6 (diff) | |
| download | llvm-63c66724235ace1860e60a11ce2756d577387b29.tar.gz llvm-63c66724235ace1860e60a11ce2756d577387b29.tar.bz2 llvm-63c66724235ace1860e60a11ce2756d577387b29.tar.xz | |
Give better scavenger errors by invoking the verifier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148251 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/RegisterScavenging.cpp')
| -rw-r--r-- | lib/CodeGen/RegisterScavenging.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/CodeGen/RegisterScavenging.cpp b/lib/CodeGen/RegisterScavenging.cpp index 07cf027691..16c5898e16 100644 --- a/lib/CodeGen/RegisterScavenging.cpp +++ b/lib/CodeGen/RegisterScavenging.cpp @@ -205,7 +205,12 @@ void RegScavenger::forward() { SubUsed = true; break; } - assert(SubUsed && "Using an undefined register!"); +#ifndef NDEBUG + if (!SubUsed) { + MBB->getParent()->verify(NULL, "In Register Scavenger"); + llvm_unreachable("Using an undefined register!"); + } +#endif (void)SubUsed; } assert((!EarlyClobberRegs.test(Reg) || MI->isRegTiedToDefOperand(i)) && |