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| author | Richard Osborne <richard@xmos.com> | 2009-07-16 12:50:48 +0000 |
|---|---|---|
| committer | Richard Osborne <richard@xmos.com> | 2009-07-16 12:50:48 +0000 |
| commit | db9e697725e81edb4c5cb80f8dc7b412431be0d0 (patch) | |
| tree | 80f5ef0a5272129d63b9bf48a0254c0f685aa612 /test/CodeGen/XCore/unaligned_store_combine.ll | |
| parent | 787e90f8627251fd2c63e2e5e17132e22d5d606a (diff) | |
| download | llvm-db9e697725e81edb4c5cb80f8dc7b412431be0d0.tar.gz llvm-db9e697725e81edb4c5cb80f8dc7b412431be0d0.tar.bz2 llvm-db9e697725e81edb4c5cb80f8dc7b412431be0d0.tar.xz | |
Combine an unaligned store of unaligned load into a memmove.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75908 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/XCore/unaligned_store_combine.ll')
| -rw-r--r-- | test/CodeGen/XCore/unaligned_store_combine.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/CodeGen/XCore/unaligned_store_combine.ll b/test/CodeGen/XCore/unaligned_store_combine.ll new file mode 100644 index 0000000000..b61cf86988 --- /dev/null +++ b/test/CodeGen/XCore/unaligned_store_combine.ll @@ -0,0 +1,12 @@ +; RUN: llvm-as < %s | llc -march=xcore > %t1.s +; RUN: grep "bl memmove" %t1.s | count 1 +; RUN: grep "ldc r., 8" %t1.s | count 1 + +; Unaligned load / store pair. Should be combined into a memmove +; of size 8 +define void @f(i64* %dst, i64* %src) nounwind { +entry: + %0 = load i64* %src, align 1 + store i64 %0, i64* %dst, align 1 + ret void +} |