[X86][SSE4A] Fix for EXTRQI shuffle lowering.

[oota-llvm.git] / test / CodeGen / X86 / vector-shuffle-sse4a.ll

diff --git a/test/CodeGen/X86/vector-shuffle-sse4a.ll b/test/CodeGen/X86/vector-shuffle-sse4a.ll
index 58807b9c0fdcc4ac519dd494a1c004a884ae8e9b..2dd43e2852a709ba51ef9981382f038140a30ed0 100644 (file)
--- a/test/CodeGen/X86/vector-shuffle-sse4a.ll
+++ b/test/CodeGen/X86/vector-shuffle-sse4a.ll
@@ -296,5 +296,28 @@ define <8 x i16> @shuf_089uuuuu(<8 x i16> %a0, <8 x i16> %a1) {
   ret <8 x i16> %s
 }
 
+;
+; Special Cases
+;
+
+; Out of range.
+define <16 x i8> @shuffle_8_18_uuuuuuuuuuuuuu(<16 x i8> %a, <16 x i8> %b) {
+; BTVER1-LABEL: shuffle_8_18_uuuuuuuuuuuuuu:
+; BTVER1:       # BB#0:
+; BTVER1-NEXT:    psrld $16, %xmm1
+; BTVER1-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; BTVER1-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3],xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
+; BTVER1-NEXT:    retq
+;
+; BTVER2-LABEL: shuffle_8_18_uuuuuuuuuuuuuu:
+; BTVER2:       # BB#0:
+; BTVER2-NEXT:    vpsrld $16, %xmm1, %xmm1
+; BTVER2-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; BTVER2-NEXT:    vpunpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3],xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
+; BTVER2-NEXT:    retq
+  %1 = shufflevector <16 x i8> %a, <16 x i8> %b, <16 x i32> <i32 8, i32 18, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
+  ret <16 x i8> %1
+}
+
 declare <2 x i64> @llvm.x86.sse4a.extrqi(<2 x i64>, i8, i8) nounwind
 declare <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64>, <2 x i64>, i8, i8) nounwind