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| author | Chris Lattner <sabre@nondot.org> | 2011-01-06 22:25:00 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2011-01-06 22:25:00 +0000 |
| commit | 01cdc2016d59acbf596d367da064a5f9da7fc8d8 (patch) | |
| tree | 73f9b8025114930ee13061775780cc618789fb0e /lib | |
| parent | f1cadf28991b2643128bfe38990ff235f2cb1491 (diff) | |
| download | llvm-01cdc2016d59acbf596d367da064a5f9da7fc8d8.tar.gz llvm-01cdc2016d59acbf596d367da064a5f9da7fc8d8.tar.bz2 llvm-01cdc2016d59acbf596d367da064a5f9da7fc8d8.tar.xz | |
With Benjamin's recent amazing patches, we should be able to do even better things :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122978 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/README.txt | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/Target/README.txt b/lib/Target/README.txt index bedc893fbb..d13ea736a1 100644 --- a/lib/Target/README.txt +++ b/lib/Target/README.txt @@ -2073,3 +2073,16 @@ The icmp should fold to false. This CSE opportunity is only available after GVN and InstCombine have run. //===---------------------------------------------------------------------===// + +memcpyopt should turn this: + +define i8* @test10(i32 %x) { + %alloc = call noalias i8* @malloc(i32 %x) nounwind + call void @llvm.memset.p0i8.i32(i8* %alloc, i8 0, i32 %x, i32 1, i1 false) + ret i8* %alloc +} + +into a call to calloc. We should make sure that we analyze calloc as +aggressively as malloc though. + +//===---------------------------------------------------------------------===// |