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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2012-03-27 22:42:42 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2012-03-27 22:42:42 +0000 |
| commit | f2fd23b0620b3785a85fbde8893ffd777ed8b2b2 (patch) | |
| tree | a0d9b267c825198c9e79b11be23e0e7a0b9f6550 /lib/Target/README.txt | |
| parent | c8591a451a41627f2db13ac849f2b00272b7a898 (diff) | |
| download | llvm-f2fd23b0620b3785a85fbde8893ffd777ed8b2b2.tar.gz llvm-f2fd23b0620b3785a85fbde8893ffd777ed8b2b2.tar.bz2 llvm-f2fd23b0620b3785a85fbde8893ffd777ed8b2b2.tar.xz | |
Add a note about a cute little fabs optimization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153543 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/README.txt')
| -rw-r--r-- | lib/Target/README.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/README.txt b/lib/Target/README.txt index 2d4925d307..8929ac4f2a 100644 --- a/lib/Target/README.txt +++ b/lib/Target/README.txt @@ -2370,3 +2370,8 @@ unsigned foo(unsigned x, unsigned y) { return x > y && x != 0; } should fold to x > y. //===---------------------------------------------------------------------===// + +int f(double x) { return __builtin_fabs(x) < 0.0; } +should fold to false. + +//===---------------------------------------------------------------------===// |