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| author | Bill Wendling <isanbard@gmail.com> | 2007-10-23 23:32:40 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2007-10-23 23:32:40 +0000 |
| commit | 8b1c68cee4ddf42b4b57d4224f945ad9e9d4a779 (patch) | |
| tree | cb695aafae8b23561b325d218bf03f1453f75c68 /test/CodeGen/PowerPC | |
| parent | 79217064c618afecd4979aec6d2e8fe784565931 (diff) | |
| download | external_llvm-8b1c68cee4ddf42b4b57d4224f945ad9e9d4a779.zip external_llvm-8b1c68cee4ddf42b4b57d4224f945ad9e9d4a779.tar.gz external_llvm-8b1c68cee4ddf42b4b57d4224f945ad9e9d4a779.tar.bz2 | |
If there's an unaligned memcpy to/from the stack, don't lower it. Just call the
memcpy library function instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43270 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/PowerPC')
| -rw-r--r-- | test/CodeGen/PowerPC/2007-10-23-UnalignedMemcpy.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/2007-10-23-UnalignedMemcpy.ll b/test/CodeGen/PowerPC/2007-10-23-UnalignedMemcpy.ll new file mode 100644 index 0000000..c0cf201 --- /dev/null +++ b/test/CodeGen/PowerPC/2007-10-23-UnalignedMemcpy.ll @@ -0,0 +1,13 @@ +; RUN: llvm-as < %s | llc -mtriple=powerpc64-apple-darwin9 -o - | grep memcpy + +@C.0.1173 = external constant [33 x i8] ; <[33 x i8]*> [#uses=1] + +define void @Bork() { +entry: + %Qux = alloca [33 x i8] ; <[33 x i8]*> [#uses=1] + %Qux1 = bitcast [33 x i8]* %Qux to i8* ; <i8*> [#uses=1] + call void @llvm.memcpy.i64( i8* %Qux1, i8* getelementptr ([33 x i8]* @C.0.1173, i32 0, i32 0), i64 33, i32 8 ) + ret void +} + +declare void @llvm.memcpy.i64(i8*, i8*, i64, i32) |