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

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.

llvm-svn: 98831
This commit is contained in:
Bob Wilson 2010-03-18 16:52:15 +00:00
parent 0b39f10d10
commit ce51f782dd
2 changed files with 8 additions and 0 deletions
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4
llvm/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
llvm/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