1 files changed, 86 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/arm-interleaved-accesses-extract-user.ll b/test/CodeGen/ARM/arm-interleaved-accesses-extract-user.ll
new file mode 100644
index 0000000000000..620cb6356411b
--- /dev/null
+++ b/test/CodeGen/ARM/arm-interleaved-accesses-extract-user.ll
@@ -0,0 +1,86 @@
+; RUN: opt < %s -mtriple=arm-eabi -mattr=+neon -interleaved-access -S | FileCheck %s
+
+; CHECK-LABEL: @extract_user_basic(
+; CHECK: %vldN = call { <4 x i32>, <4 x i32> } @llvm.arm.neon.vld2.v4i32.p0i8
+; CHECK: %[[R:.+]] = extractvalue { <4 x i32>, <4 x i32> } %vldN, 0
+; CHECK: extractelement <4 x i32> %[[R]], i64 1
+define void @extract_user_basic(<8 x i32>* %A, i1 %C) {
+entry:
+  %L = load <8 x i32>, <8 x i32>* %A, align 8
+  %S = shufflevector <8 x i32> %L, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  br i1 %C, label %if.then, label %if.merge
+
+if.then:
+  %E = extractelement <8 x i32> %L, i32 2
+  br label %if.merge
+
+if.merge:
+  ret void
+}
+
+; CHECK-LABEL: @extract_user_multi(
+; CHECK: %vldN = call { <4 x i32>, <4 x i32> } @llvm.arm.neon.vld2.v4i32.p0i8
+; CHECK: %[[R:.+]] = extractvalue { <4 x i32>, <4 x i32> } %vldN, 0
+; CHECK: extractelement <4 x i32> %[[R]], i64 0
+; CHECK: extractelement <4 x i32> %[[R]], i64 1
+define void @extract_user_multi(<8 x i32>* %A, i1 %C) {
+entry:
+  %L = load <8 x i32>, <8 x i32>* %A, align 8
+  %S = shufflevector <8 x i32> %L, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  br i1 %C, label %if.then, label %if.merge
+
+if.then:
+  %E1 = extractelement <8 x i32> %L, i32 0
+  br label %if.merge
+
+if.merge:
+  %E2 = extractelement <8 x i32> %L, i32 2
+  ret void
+}
+
+; CHECK-LABEL: @extract_user_multi_no_dom(
+; CHECK-NOT: %vldN = call { <4 x i32>, <4 x i32> } @llvm.arm.neon.vld2.v4i32.p0i8
+define void @extract_user_multi_no_dom(<8 x i32>* %A, i1 %C) {
+entry:
+  %L = load <8 x i32>, <8 x i32>* %A, align 8
+  %E1 = extractelement <8 x i32> %L, i32 0
+  br i1 %C, label %if.then, label %if.merge
+
+if.then:
+  %S = shufflevector <8 x i32> %L, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %E2 = extractelement <8 x i32> %L, i32 2
+  br label %if.merge
+
+if.merge:
+  ret void
+}
+
+; CHECK-LABEL: @extract_user_wrong_const_index(
+; CHECK-NOT: %vldN = call { <4 x i32>, <4 x i32> } @llvm.arm.neon.vld2.v4i32.p0i8
+define void @extract_user_wrong_const_index(<8 x i32>* %A) {
+entry:
+  %L = load <8 x i32>, <8 x i32>* %A, align 8
+  %S = shufflevector <8 x i32> %L, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %E = extractelement <8 x i32> %L, i32 1
+  ret void
+}
+
+; CHECK-LABEL: @extract_user_undef_index(
+; CHECK-NOT: %vldN = call { <4 x i32>, <4 x i32> } @llvm.arm.neon.vld2.v4i32.p0i8
+define void @extract_user_undef_index(<8 x i32>* %A) {
+entry:
+  %L = load <8 x i32>, <8 x i32>* %A, align 8
+  %S = shufflevector <8 x i32> %L, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %E = extractelement <8 x i32> %L, i32 undef
+  ret void
+}
+
+; CHECK-LABEL: @extract_user_var_index(
+; CHECK-NOT: %vldN = call { <4 x i32>, <4 x i32> } @llvm.arm.neon.vld2.v4i32.p0i8
+define void @extract_user_var_index(<8 x i32>* %A, i32 %I) {
+entry:
+  %L = load <8 x i32>, <8 x i32>* %A, align 8
+  %S = shufflevector <8 x i32> %L, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %E = extractelement <8 x i32> %L, i32 %I
+  ret void
+}