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| author | Bob Wilson <bob.wilson@apple.com> | 2010-08-17 05:54:34 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2010-08-17 05:54:34 +0000 |
| commit | 7aaf5bf3db44c94bd630e07d63c3a4a1d92e44f4 (patch) | |
| tree | d47e06c81bb4c764050efcf537e1225383c95bc4 /test/CodeGen/ARM/vtrn.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/vtrn.ll')
| -rw-r--r-- | test/CodeGen/ARM/vtrn.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/vtrn.ll b/test/CodeGen/ARM/vtrn.ll index 10bb10ac24..b1c2f93b47 100644 --- a/test/CodeGen/ARM/vtrn.ll +++ b/test/CodeGen/ARM/vtrn.ll @@ -95,3 +95,30 @@ define <4 x float> @vtrnQf(<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 VTRN: + +define <8 x i8> @vtrni8_undef(<8 x i8>* %A, <8 x i8>* %B) nounwind { +;CHECK: vtrni8_undef: +;CHECK: vtrn.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 2, i32 10, i32 undef, i32 12, i32 6, i32 14> + %tmp4 = shufflevector <8 x i8> %tmp1, <8 x i8> %tmp2, <8 x i32> <i32 1, i32 9, i32 3, i32 11, i32 5, i32 undef, i32 undef, i32 15> + %tmp5 = add <8 x i8> %tmp3, %tmp4 + ret <8 x i8> %tmp5 +} + +define <8 x i16> @vtrnQi16_undef(<8 x i16>* %A, <8 x i16>* %B) nounwind { +;CHECK: vtrnQi16_undef: +;CHECK: vtrn.16 +;CHECK-NEXT: vadd.i16 + %tmp1 = load <8 x i16>* %A + %tmp2 = load <8 x i16>* %B + %tmp3 = shufflevector <8 x i16> %tmp1, <8 x i16> %tmp2, <8 x i32> <i32 0, i32 8, i32 undef, i32 undef, i32 4, i32 12, i32 6, i32 14> + %tmp4 = shufflevector <8 x i16> %tmp1, <8 x i16> %tmp2, <8 x i32> <i32 1, i32 undef, i32 3, i32 11, i32 5, i32 13, i32 undef, i32 undef> + %tmp5 = add <8 x i16> %tmp3, %tmp4 + ret <8 x i16> %tmp5 +} + |