llvm/test/Transforms/SROA/scalable-vector-struct.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes='sroa<preserve-cfg>' -S | FileCheck %s --check-prefixes=CHECK
; RUN: opt < %s -passes='sroa<modify-cfg>' -S | FileCheck %s --check-prefixes=CHECK

; This test checks that SROA runs mem2reg on structure that contains
; homogeneous scalable vectors.

%struct.test = type { <vscale x 1 x i32>, <vscale x 1 x i32> }

define %struct.test @alloca(<vscale x 1 x i32> %x, <vscale x 1 x i32> %y) {
; CHECK-LABEL: @alloca(
; CHECK-NEXT:    [[AGG0:%.*]] = insertvalue [[STRUCT_TEST:%.*]] undef, <vscale x 1 x i32> [[X:%.*]], 0
; CHECK-NEXT:    [[AGG1:%.*]] = insertvalue [[STRUCT_TEST]] [[AGG0]], <vscale x 1 x i32> [[Y:%.*]], 1
; CHECK-NEXT:    ret [[STRUCT_TEST]] [[AGG1]]
;
  %addr = alloca %struct.test, align 4
  %agg0 = insertvalue %struct.test undef, <vscale x 1 x i32> %x, 0
  %agg1 = insertvalue %struct.test %agg0, <vscale x 1 x i32> %y, 1
  store %struct.test %agg1, ptr %addr, align 4
  %val = load %struct.test, ptr %addr, align 4
  ret %struct.test %val
}


define { <vscale x 2 x i32>, <vscale x 2 x i32> } @return_tuple(<vscale x 2 x i32> %v_tuple.coerce0, <vscale x 2 x i32> %v_tuple.coerce1) {
; CHECK-LABEL: @return_tuple(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32> } poison, <vscale x 2 x i32> [[V_TUPLE_COERCE0:%.*]], 0
; CHECK-NEXT:    [[TMP1:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP0]], <vscale x 2 x i32> [[V_TUPLE_COERCE1:%.*]], 1
; CHECK-NEXT:    [[COERCE_EXTRACT0:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP1]], 0
; CHECK-NEXT:    [[COERCE_EXTRACT1:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP1]], 1
; CHECK-NEXT:    [[CALL:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32> } @foo(<vscale x 2 x i32> [[COERCE_EXTRACT0]], <vscale x 2 x i32> [[COERCE_EXTRACT1]])
; CHECK-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32> } [[CALL]]
;
entry:
  %v_tuple = alloca { <vscale x 2 x i32>, <vscale x 2 x i32> }, align 4
  %v_tuple.addr = alloca { <vscale x 2 x i32>, <vscale x 2 x i32> }, align 4
  %coerce = alloca { <vscale x 2 x i32>, <vscale x 2 x i32> }, align 4
  %0 = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32> } poison, <vscale x 2 x i32> %v_tuple.coerce0, 0
  %1 = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32> } %0, <vscale x 2 x i32> %v_tuple.coerce1, 1
  store { <vscale x 2 x i32>, <vscale x 2 x i32> } %1, ptr %v_tuple, align 4
  %v_tuple1 = load { <vscale x 2 x i32>, <vscale x 2 x i32> }, ptr %v_tuple, align 4
  store { <vscale x 2 x i32>, <vscale x 2 x i32> } %v_tuple1, ptr %v_tuple.addr, align 4
  %2 = load { <vscale x 2 x i32>, <vscale x 2 x i32> }, ptr %v_tuple.addr, align 4
  store { <vscale x 2 x i32>, <vscale x 2 x i32> } %2, ptr %coerce, align 4
  %coerce.tuple = load { <vscale x 2 x i32>, <vscale x 2 x i32> }, ptr %coerce, align 4
  %coerce.extract0 = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32> } %coerce.tuple, 0
  %coerce.extract1 = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32> } %coerce.tuple, 1
  %call = call { <vscale x 2 x i32>, <vscale x 2 x i32> } @foo(<vscale x 2 x i32> %coerce.extract0, <vscale x 2 x i32> %coerce.extract1)
  ret { <vscale x 2 x i32>, <vscale x 2 x i32> } %call
}

declare { <vscale x 2 x i32>, <vscale x 2 x i32> } @foo(<vscale x 2 x i32>, <vscale x 2 x i32>)