[llvm] 58c1770 - [x86] add test for shift+op+concat; NFC

[Sanjay Patel via llvm-commits]

Author: Sanjay Patel
Date: 2020-05-04T17:31:45-04:00
New Revision: 58c1770b8fb1229e2e539bcd1217a26cbd829be3

URL: https://github.com/llvm/llvm-project/commit/58c1770b8fb1229e2e539bcd1217a26cbd829be3
DIFF: https://github.com/llvm/llvm-project/commit/58c1770b8fb1229e2e539bcd1217a26cbd829be3.diff

LOG: [x86] add test for shift+op+concat; NFC

D79360 could change this kind of sequence.

Added: 
    

Modified: 
    llvm/test/CodeGen/X86/avx-shift.ll

Removed: 
    


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diff  --git a/llvm/test/CodeGen/X86/avx-shift.ll b/llvm/test/CodeGen/X86/avx-shift.ll
index ee6ca2224ea4..443204ccf099 100644
--- a/llvm/test/CodeGen/X86/avx-shift.ll
+++ b/llvm/test/CodeGen/X86/avx-shift.ll
@@ -181,6 +181,27 @@ define <8 x i32> @vshift08(<8 x i32> %a)  {
   ret <8 x i32> %bitop
 }
 
+define <8 x i32> @vshift08_add(<8 x i32> %a, <8 x i32> %y)  {
+; CHECK-LABEL: vshift08_add:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vpslld $23, %xmm0, %xmm2
+; CHECK-NEXT:    vmovdqa {{.*#+}} xmm3 = [1065353216,1065353216,1065353216,1065353216]
+; CHECK-NEXT:    vpaddd %xmm3, %xmm2, %xmm2
+; CHECK-NEXT:    vcvttps2dq %xmm2, %xmm2
+; CHECK-NEXT:    vextractf128 $1, %ymm0, %xmm0
+; CHECK-NEXT:    vpslld $23, %xmm0, %xmm0
+; CHECK-NEXT:    vpaddd %xmm3, %xmm0, %xmm0
+; CHECK-NEXT:    vcvttps2dq %xmm0, %xmm0
+; CHECK-NEXT:    vextractf128 $1, %ymm1, %xmm3
+; CHECK-NEXT:    vpaddd %xmm3, %xmm0, %xmm0
+; CHECK-NEXT:    vpaddd %xmm1, %xmm2, %xmm1
+; CHECK-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
+; CHECK-NEXT:    retq
+  %bitop = shl <8 x i32> <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>, %a
+  %r = add <8 x i32> %bitop, %y
+  ret <8 x i32> %r
+}
+
 ; PR15141
 define <4 x i32> @vshift13(<4 x i32> %in) {
 ; CHECK-LABEL: vshift13: