[X86] Update trunc_packus_v32i32_v32i8 test in min-legal-vector-width.ll to use a...

The attribute is needed to avoid zmm registers. Using memory
avoids argument splitting for large vectors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@374486 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/min-legal-vector-width.ll b/test/CodeGen/X86/min-legal-vector-width.ll
index 832692480e0e1e13ebae9b11c9c07b1d5c70edb3..91ece95e0a0a5d5302ae8b10222d60b4acdf5eea 100644 (file)
--- a/test/CodeGen/X86/min-legal-vector-width.ll
+++ b/test/CodeGen/X86/min-legal-vector-width.ll
@@ -1098,21 +1098,28 @@ define <16 x i8> @trunc_packus_v16i32_v16i8(<16 x i32>* %p, <16 x i8>* %q) "min-
   ret <16 x i8> %f
 }
 
-define <32 x i8> @trunc_packus_v32i32_v32i8(<32 x i32> %a0) {
+define <32 x i8> @trunc_packus_v32i32_v32i8(<32 x i32>* %p) "min-legal-vector-width"="256" {
 ; CHECK-LABEL: trunc_packus_v32i32_v32i8:
 ; CHECK:       # %bb.0:
-; CHECK-NEXT:    vpxor %xmm2, %xmm2, %xmm2
-; CHECK-NEXT:    vpmaxsd %zmm2, %zmm0, %zmm0
-; CHECK-NEXT:    vpmovusdb %zmm0, %xmm0
-; CHECK-NEXT:    vpmaxsd %zmm2, %zmm1, %zmm1
-; CHECK-NEXT:    vpmovusdb %zmm1, %xmm1
+; CHECK-NEXT:    vpxor %xmm0, %xmm0, %xmm0
+; CHECK-NEXT:    vpmaxsd 96(%rdi), %ymm0, %ymm1
+; CHECK-NEXT:    vpmovusdb %ymm1, %xmm1
+; CHECK-NEXT:    vpmaxsd 64(%rdi), %ymm0, %ymm2
+; CHECK-NEXT:    vpmovusdb %ymm2, %xmm2
+; CHECK-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm2[0],xmm1[0]
+; CHECK-NEXT:    vpmaxsd 32(%rdi), %ymm0, %ymm2
+; CHECK-NEXT:    vpmovusdb %ymm2, %xmm2
+; CHECK-NEXT:    vpmaxsd (%rdi), %ymm0, %ymm0
+; CHECK-NEXT:    vpmovusdb %ymm0, %xmm0
+; CHECK-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm2[0]
 ; CHECK-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
 ; CHECK-NEXT:    retq
-  %1 = icmp slt <32 x i32> %a0, <i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255>
-  %2 = select <32 x i1> %1, <32 x i32> %a0, <32 x i32> <i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255>
-  %3 = icmp sgt <32 x i32> %2, zeroinitializer
-  %4 = select <32 x i1> %3, <32 x i32> %2, <32 x i32> zeroinitializer
-  %5 = trunc <32 x i32> %4 to <32 x i8>
-  ret <32 x i8> %5
+  %a = load <32 x i32>, <32 x i32>* %p
+  %b = icmp slt <32 x i32> %a, <i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255>
+  %c = select <32 x i1> %b, <32 x i32> %a, <32 x i32> <i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255>
+  %d = icmp sgt <32 x i32> %c, zeroinitializer
+  %e = select <32 x i1> %d, <32 x i32> %c, <32 x i32> zeroinitializer
+  %f = trunc <32 x i32> %e to <32 x i8>
+  ret <32 x i8> %f
 }