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| -rw-r--r-- | lib/Target/README.txt | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/Target/README.txt b/lib/Target/README.txt index f77fbc2eea..220bd9e520 100644 --- a/lib/Target/README.txt +++ b/lib/Target/README.txt @@ -121,6 +121,17 @@ Reassociate should turn: X*X*X*X -> t=(X*X) (t*t) to eliminate a multiply. //===---------------------------------------------------------------------===// +Interesting? testcase for add/shift/mul reassoc: + +int bar(int x, int y) { + return x*x*x+y+x*x*x*x*x*y*y*y*y; +} +int foo(int z, int n) { + return bar(z, n) + bar(2*z, 2*n); +} + +//===---------------------------------------------------------------------===// + These two functions should generate the same code on big-endian systems: int g(int *j,int *l) { return memcmp(j,l,4); } |