test/Transforms/InferAlignment/vscale.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
; RUN: opt -passes=infer-alignment -S < %s | FileCheck %s

; <4 x i32> -> 16 byte alignment
define void @alignment_sustain(ptr align 16 %ptr) {
; CHECK-LABEL: define void @alignment_sustain
; CHECK-SAME: (ptr align 16 [[PTR:%.*]]) {
; CHECK-NEXT:    [[GEP:%.*]] = getelementptr <vscale x 4 x i32>, ptr [[PTR]], i32 3
; CHECK-NEXT:    [[LOAD:%.*]] = load <4 x i32>, ptr [[GEP]], align 16
; CHECK-NEXT:    store <4 x i32> zeroinitializer, ptr [[GEP]], align 16
; CHECK-NEXT:    ret void
;
  %gep = getelementptr <vscale x 4 x i32>, ptr %ptr, i32 3

  %load = load <4 x i32>, ptr %gep, align 16
  store <4 x i32> zeroinitializer, ptr %gep, align 16

  ret void
}

; <8 x i32> -> 32 byte alignment
define void @alignment_increase(ptr align 32 %ptr) {
; CHECK-LABEL: define void @alignment_increase
; CHECK-SAME: (ptr align 32 [[PTR:%.*]]) {
; CHECK-NEXT:    [[GEP:%.*]] = getelementptr <vscale x 8 x i32>, ptr [[PTR]], i32 3
; CHECK-NEXT:    [[LOAD:%.*]] = load <8 x i32>, ptr [[GEP]], align 32
; CHECK-NEXT:    store <8 x i32> zeroinitializer, ptr [[GEP]], align 32
; CHECK-NEXT:    ret void
;
  %gep = getelementptr <vscale x 8 x i32>, ptr %ptr, i32 3

  %load = load <8 x i32>, ptr %gep, align 16
  store <8 x i32> zeroinitializer, ptr %gep, align 16

  ret void
}