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Check if function names start with "llvm." before trying to lookup them up as

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intrinsics.  The intrinsic lookup code assumes that this check has been done
and assumes the names are at least 6 characters long.  Valgrind complained
about this.  pr6638.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98831 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson 2010-03-18 16:52:15 +00:00
parent 1ac2429d1f
commit 35ee7d6e04
2 changed files with 8 additions and 0 deletions
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4
lib/Target/Blackfin/BlackfinIntrinsicInfo.cpp
View File

@ -53,6 +53,10 @@ std::string BlackfinIntrinsicInfo::getName(unsigned IntrID, const Type **Tys,
unsigned
BlackfinIntrinsicInfo::lookupName(const char *Name, unsigned Len) const {
if (Len < 5 || Name[4] != '.' || Name[0] != 'l' || Name[1] != 'l'
|| Name[2] != 'v' || Name[3] != 'm')
return 0; // All intrinsics start with 'llvm.'
#define GET_FUNCTION_RECOGNIZER
#include "BlackfinGenIntrinsics.inc"
#undef GET_FUNCTION_RECOGNIZER

4
lib/Target/MBlaze/MBlazeIntrinsicInfo.cpp
View File

@ -57,6 +57,10 @@ std::string MBlazeIntrinsicInfo::getName(unsigned IntrID, const Type **Tys,
unsigned MBlazeIntrinsicInfo::
lookupName(const char *Name, unsigned Len) const {
if (Len < 5 || Name[4] != '.' || Name[0] != 'l' || Name[1] != 'l'
|| Name[2] != 'v' || Name[3] != 'm')
return 0; // All intrinsics start with 'llvm.'
#define GET_FUNCTION_RECOGNIZER
#include "MBlazeGenIntrinsics.inc"
#undef GET_FUNCTION_RECOGNIZER