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Add a couple of more functions that cannot access memory (the intrinsics) and

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don't write to memory


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12808 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-04-10 06:55:27 +00:00
parent ede6ac60a5
commit b903fc5c1b
1 changed files with 7 additions and 0 deletions
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7
lib/Analysis/BasicAliasAnalysis.cpp
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@ -606,6 +606,9 @@ namespace {
// Note that this list cannot contain libm functions (such as acos and sqrt) // Note that this list cannot contain libm functions (such as acos and sqrt)
// that set errno on a domain or other error. // that set errno on a domain or other error.
static const char *DoesntAccessMemoryTable[] = { static const char *DoesntAccessMemoryTable[] = {
// LLVM intrinsics:
"llvm.frameaddress", "llvm.returnaddress", "llvm.readport",
"abs", "labs", "llabs", "imaxabs", "fabs", "fabsf", "fabsl", "abs", "labs", "llabs", "imaxabs", "fabs", "fabsf", "fabsl",
"trunc", "truncf", "truncl", "ldexp", "trunc", "truncf", "truncl", "ldexp",
@ -685,6 +688,10 @@ static const char *OnlyReadsMemoryTable[] = {
// C99 // C99
"nan", "nanf", "nand", "nan", "nanf", "nand",
// File I/O
"feof", "ferror", "fileno",
"feof_unlocked", "ferror_unlocked", "fileno_unlocked"
}; };
static const unsigned ORMTableSize = static const unsigned ORMTableSize =