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| author | Nadav Rotem <nadav.rotem@intel.com> | 2012-03-15 08:49:06 +0000 |
|---|---|---|
| committer | Nadav Rotem <nadav.rotem@intel.com> | 2012-03-15 08:49:06 +0000 |
| commit | 6fd1d32c635bfbf6f5fb53529857f1e43171adf1 (patch) | |
| tree | 972f29307b9bd9b39b6212c314bdd599e430489f /llvm/test/CodeGen/X86/2012-03-15-build_vector_wl.ll | |
| parent | 7dd54fb695564de4fcd914dc2432e5be3d44a591 (diff) | |
| download | bcm5719-llvm-6fd1d32c635bfbf6f5fb53529857f1e43171adf1.tar.gz bcm5719-llvm-6fd1d32c635bfbf6f5fb53529857f1e43171adf1.zip | |
When optimizing certain BUILD_VECTOR nodes into other BUILD_VECTOR nodes, add the new node into the work list because there is a potential for further optimizations.
llvm-svn: 152784
Diffstat (limited to 'llvm/test/CodeGen/X86/2012-03-15-build_vector_wl.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/2012-03-15-build_vector_wl.ll | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/2012-03-15-build_vector_wl.ll b/llvm/test/CodeGen/X86/2012-03-15-build_vector_wl.ll new file mode 100644 index 00000000000..fec17e9f4ac --- /dev/null +++ b/llvm/test/CodeGen/X86/2012-03-15-build_vector_wl.ll @@ -0,0 +1,10 @@ + +; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s +; CHECK: build_vector_again +define <4 x i8> @build_vector_again(<16 x i8> %in) nounwind readnone { +entry: + %out = shufflevector <16 x i8> %in, <16 x i8> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3> +; CHECK: shufb + ret <4 x i8> %out +; CHECK: ret +} |
