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| author | Chandler Carruth <chandlerc@gmail.com> | 2011-12-12 04:36:02 +0000 |
|---|---|---|
| committer | Chandler Carruth <chandlerc@gmail.com> | 2011-12-12 04:36:02 +0000 |
| commit | 026cc37e48ab6309d1d6f8b2bf91cbfe9eda7608 (patch) | |
| tree | 4ceb8892368d10265f6c32ee8d630b1f7707344d /llvm/lib/VMCore/Verifier.cpp | |
| parent | a31b95cacf02800189f70a55040924a64470e8f6 (diff) | |
| download | bcm5719-llvm-026cc37e48ab6309d1d6f8b2bf91cbfe9eda7608.tar.gz bcm5719-llvm-026cc37e48ab6309d1d6f8b2bf91cbfe9eda7608.zip | |
Teach the verifier to reject all non-constant arguments to the second
argument of the cttz and ctlz intrinsics.
llvm-svn: 146360
Diffstat (limited to 'llvm/lib/VMCore/Verifier.cpp')
| -rw-r--r-- | llvm/lib/VMCore/Verifier.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/VMCore/Verifier.cpp b/llvm/lib/VMCore/Verifier.cpp index f74d762be94..003de442d61 100644 --- a/llvm/lib/VMCore/Verifier.cpp +++ b/llvm/lib/VMCore/Verifier.cpp @@ -1688,6 +1688,12 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) { switch (ID) { default: break; + case Intrinsic::ctlz: // llvm.ctlz + case Intrinsic::cttz: // llvm.cttz + Assert1(isa<ConstantInt>(CI.getArgOperand(1)), + "is_zero_undef argument of bit counting intrinsics must be a " + "constant int", &CI); + break; case Intrinsic::dbg_declare: { // llvm.dbg.declare Assert1(CI.getArgOperand(0) && isa<MDNode>(CI.getArgOperand(0)), "invalid llvm.dbg.declare intrinsic call 1", &CI); |
