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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-01-10 12:23:39 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-01-10 12:23:39 +0000 |
| commit | a330a407c4fd309d7da2abfb7dad28e488bdd014 (patch) | |
| tree | c7361fff7f5eac2daa27da237985657f96e2c111 | |
| parent | 62930e57eb9e753951a79df790aa18caaac27690 (diff) | |
| download | bcm5719-llvm-a330a407c4fd309d7da2abfb7dad28e488bdd014.tar.gz bcm5719-llvm-a330a407c4fd309d7da2abfb7dad28e488bdd014.zip | |
[X86][SSE] Add v2f64 u2 shuffle test
Adds missing coverage for SHUFPD undef argument lowering, and also shows a missed opportunity to remove a unnecessary move compared to 02 shuffle mask.
llvm-svn: 322175
| -rw-r--r-- | llvm/test/CodeGen/X86/vector-shuffle-128-v2.ll | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/llvm/test/CodeGen/X86/vector-shuffle-128-v2.ll b/llvm/test/CodeGen/X86/vector-shuffle-128-v2.ll index 4e8f8aeec28..9d20188d5fb 100644 --- a/llvm/test/CodeGen/X86/vector-shuffle-128-v2.ll +++ b/llvm/test/CodeGen/X86/vector-shuffle-128-v2.ll @@ -298,7 +298,35 @@ define <2 x double> @shuffle_v2f64_21(<2 x double> %a, <2 x double> %b) { %shuffle = shufflevector <2 x double> %a, <2 x double> %b, <2 x i32> <i32 2, i32 1> ret <2 x double> %shuffle } - +define <2 x double> @shuffle_v2f64_u2(<2 x double> %a, <2 x double> %b) { +; SSE2-LABEL: shuffle_v2f64_u2: +; SSE2: # %bb.0: +; SSE2-NEXT: movlhps {{.*#+}} xmm1 = xmm1[0,0] +; SSE2-NEXT: movaps %xmm1, %xmm0 +; SSE2-NEXT: retq +; +; SSE3-LABEL: shuffle_v2f64_u2: +; SSE3: # %bb.0: +; SSE3-NEXT: movddup {{.*#+}} xmm0 = xmm1[0,0] +; SSE3-NEXT: retq +; +; SSSE3-LABEL: shuffle_v2f64_u2: +; SSSE3: # %bb.0: +; SSSE3-NEXT: movddup {{.*#+}} xmm0 = xmm1[0,0] +; SSSE3-NEXT: retq +; +; SSE41-LABEL: shuffle_v2f64_u2: +; SSE41: # %bb.0: +; SSE41-NEXT: movddup {{.*#+}} xmm0 = xmm1[0,0] +; SSE41-NEXT: retq +; +; AVX-LABEL: shuffle_v2f64_u2: +; AVX: # %bb.0: +; AVX-NEXT: vmovddup {{.*#+}} xmm0 = xmm1[0,0] +; AVX-NEXT: retq + %shuffle = shufflevector <2 x double> %a, <2 x double> %b, <2 x i32> <i32 undef, i32 2> + ret <2 x double> %shuffle +} define <2 x i64> @shuffle_v2i64_02(<2 x i64> %a, <2 x i64> %b) { ; SSE-LABEL: shuffle_v2i64_02: |
