[X86][AVX2] Added missing palignr stack folding test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232033 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/stack-folding-int-avx2.ll b/test/CodeGen/X86/stack-folding-int-avx2.ll
index 39169e67089bac42d87214b9bbfcf7298ab1fa81..fa81bf104b49d16c1b659e06825d550a5e662020 100644 (file)
--- a/test/CodeGen/X86/stack-folding-int-avx2.ll
+++ b/test/CodeGen/X86/stack-folding-int-avx2.ll
@@ -195,8 +195,13 @@ define <16 x i16> @stack_fold_paddw(<16 x i16> %a0, <16 x i16> %a1) {
   ret <16 x i16> %2
 }
 
-; TODO stack_fold_palignr
-; define <32 x i8> @stack_fold_palignr(<32 x i8> %a0, <32 x i8> %a1)
+define <32 x i8> @stack_fold_palignr(<32 x i8> %a0, <32 x i8> %a1) {
+  ;CHECK-LABEL: stack_fold_palignr
+  ;CHECK:       vpalignr $1, {{-?[0-9]*}}(%rsp), {{%ymm[0-9][0-9]*}}, {{%ymm[0-9][0-9]*}} {{.*#+}} 32-byte Folded Reload
+  %1 = tail call <2 x i64> asm sideeffect "nop", "=x,~{xmm2},~{xmm3},~{xmm4},~{xmm5},~{xmm6},~{xmm7},~{xmm8},~{xmm9},~{xmm10},~{xmm11},~{xmm12},~{xmm13},~{xmm14},~{xmm15},~{flags}"()
+  %2 = shufflevector <32 x i8> %a1, <32 x i8> %a0, <32 x i32> <i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 32, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31, i32 48>
+  ret <32 x i8> %2
+}
 
 define <32 x i8> @stack_fold_pand(<32 x i8> %a0, <32 x i8> %a1) {
   ;CHECK-LABEL: stack_fold_pand