diff options
| author | Eli Friedman <eli.friedman@gmail.com> | 2008-11-30 08:32:11 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2008-11-30 08:32:11 +0000 |
| commit | d83ae7d698248958e157aeeaca9fb114bf1e2b60 (patch) | |
| tree | 938cb496ea57576a5a424b316c3d0bfac2380478 /test/Transforms | |
| parent | 91db5271d2f09e4b56e3658277417408ffa70cbe (diff) | |
| download | external_llvm-d83ae7d698248958e157aeeaca9fb114bf1e2b60.zip external_llvm-d83ae7d698248958e157aeeaca9fb114bf1e2b60.tar.gz external_llvm-d83ae7d698248958e157aeeaca9fb114bf1e2b60.tar.bz2 | |
Optimize memmove and memset into the LLVM builtins. Note that these
only show up in code from front-ends besides llvm-gcc, like clang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60287 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/SimplifyLibCalls/memmove.ll | 12 | ||||
| -rw-r--r-- | test/Transforms/SimplifyLibCalls/memset.ll | 12 |
2 files changed, 24 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyLibCalls/memmove.ll b/test/Transforms/SimplifyLibCalls/memmove.ll new file mode 100644 index 0000000..d960960 --- /dev/null +++ b/test/Transforms/SimplifyLibCalls/memmove.ll @@ -0,0 +1,12 @@ +; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | grep {llvm.memmove} +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32" +target triple = "i686-pc-linux-gnu" + +define i8* @test(i8* %a, i8* %b, i32 %x) { +entry: + %call = call i8* @memmove(i8* %a, i8* %b, i32 %x ) + ret i8* %call +} + +declare i8* @memmove(i8*,i8*,i32) + diff --git a/test/Transforms/SimplifyLibCalls/memset.ll b/test/Transforms/SimplifyLibCalls/memset.ll new file mode 100644 index 0000000..0c10915 --- /dev/null +++ b/test/Transforms/SimplifyLibCalls/memset.ll @@ -0,0 +1,12 @@ +; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | grep {llvm.memset} +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32" +target triple = "i686-pc-linux-gnu" + +define i8* @test(i8* %a, i32 %b, i32 %x) { +entry: + %call = call i8* @memset(i8* %a, i32 %b, i32 %x ) + ret i8* %call +} + +declare i8* @memset(i8*,i32,i32) + |