diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/README.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/lib/Target/README.txt b/llvm/lib/Target/README.txt index 23572cd6bc5..e9133721f48 100644 --- a/llvm/lib/Target/README.txt +++ b/llvm/lib/Target/README.txt @@ -784,3 +784,15 @@ int test(int x_offs) { } //===---------------------------------------------------------------------===// + +Reassociate should turn things like: + +int factorial(int X) { + return X*X*X*X*X*X*X*X; +} + +into llvm.powi calls, allowing the code generator to produce balanced +multiplication trees. + +//===---------------------------------------------------------------------===// + |
