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author | Bob Wilson <bob.wilson@apple.com> | 2010-08-17 05:54:34 +0000 |
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committer | Bob Wilson <bob.wilson@apple.com> | 2010-08-17 05:54:34 +0000 |
commit | 7aaf5bf3db44c94bd630e07d63c3a4a1d92e44f4 (patch) | |
tree | d47e06c81bb4c764050efcf537e1225383c95bc4 /test/CodeGen/ARM/vzip.ll | |
parent | e1bcb440dc0ca3c41fda1c0c581abfc4f38ca170 (diff) | |
download | llvm-7aaf5bf3db44c94bd630e07d63c3a4a1d92e44f4.tar.gz llvm-7aaf5bf3db44c94bd630e07d63c3a4a1d92e44f4.tar.bz2 llvm-7aaf5bf3db44c94bd630e07d63c3a4a1d92e44f4.tar.xz |
Allow more cases of undef shuffle indices and add tests for them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111226 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/ARM/vzip.ll')
-rw-r--r-- | test/CodeGen/ARM/vzip.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/vzip.ll b/test/CodeGen/ARM/vzip.ll index a9ecdcab42..926970aeb2 100644 --- a/test/CodeGen/ARM/vzip.ll +++ b/test/CodeGen/ARM/vzip.ll @@ -73,3 +73,30 @@ define <4 x float> @vzipQf(<4 x float>* %A, <4 x float>* %B) nounwind { %tmp5 = fadd <4 x float> %tmp3, %tmp4 ret <4 x float> %tmp5 } + +; Undef shuffle indices should not prevent matching to VZIP: + +define <8 x i8> @vzipi8_undef(<8 x i8>* %A, <8 x i8>* %B) nounwind { +;CHECK: vzipi8_undef: +;CHECK: vzip.8 +;CHECK-NEXT: vadd.i8 + %tmp1 = load <8 x i8>* %A + %tmp2 = load <8 x i8>* %B + %tmp3 = shufflevector <8 x i8> %tmp1, <8 x i8> %tmp2, <8 x i32> <i32 0, i32 undef, i32 1, i32 9, i32 undef, i32 10, i32 3, i32 11> + %tmp4 = shufflevector <8 x i8> %tmp1, <8 x i8> %tmp2, <8 x i32> <i32 4, i32 12, i32 5, i32 13, i32 6, i32 undef, i32 undef, i32 15> + %tmp5 = add <8 x i8> %tmp3, %tmp4 + ret <8 x i8> %tmp5 +} + +define <16 x i8> @vzipQi8_undef(<16 x i8>* %A, <16 x i8>* %B) nounwind { +;CHECK: vzipQi8_undef: +;CHECK: vzip.8 +;CHECK-NEXT: vadd.i8 + %tmp1 = load <16 x i8>* %A + %tmp2 = load <16 x i8>* %B + %tmp3 = shufflevector <16 x i8> %tmp1, <16 x i8> %tmp2, <16 x i32> <i32 0, i32 16, i32 1, i32 undef, i32 undef, i32 undef, i32 3, i32 19, i32 4, i32 20, i32 5, i32 21, i32 6, i32 22, i32 7, i32 23> + %tmp4 = shufflevector <16 x i8> %tmp1, <16 x i8> %tmp2, <16 x i32> <i32 8, i32 24, i32 9, i32 undef, i32 10, i32 26, i32 11, i32 27, i32 12, i32 28, i32 13, i32 undef, i32 14, i32 30, i32 undef, i32 31> + %tmp5 = add <16 x i8> %tmp3, %tmp4 + ret <16 x i8> %tmp5 +} + |