Displaying 2 results from an estimated 2 matches for "createfastisel".
2017 Oct 23
2
EnableFastISel
Hi,
In SelectionDAGISel::SelectAllBasicBlocks
if (TM.Options.EnableFastISel)
FastIS = TLI->createFastISel(*FuncInfo, LibInfo);
followed by
if (!FastIS) {
LowerArguments(Fn);
} else {
The above implies that implementing FastIS is optional.
In contrast to that, testing whether FastIS is actually been used is
done by testing if TM.Options.EnableFastISel is set.
For example in SelectionDAGI...
2015 Jan 20
3
[LLVMdev] strlen in fast-isel
It seems that fast-isel for intel does not handle strlen. It's a general
problem in fast-isel .
~/llvmw/build/Deb~/llvmw/build/Debug+Asserts/bin/clang -O0 -mllvm
-fast-isel-verbose -mllvm -fast-isel strlen1.c
strlen1.c:12:3: warning: implicitly declaring library function 'printf' with
type 'int (const char *, ...)'
printf("%i\n", len);
^