You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

22 lines
1.2 KiB

; Checks if widening instructions works for SVE
; RUN: opt -cost-model -analyze -mtriple=aarch64--linux-gnu -mattr=+sve < %s 2>%t | FileCheck %s
; RUN: FileCheck --check-prefix=WARN --allow-empty %s <%t
; If this check fails please read test/CodeGen/AArch64/README for instructions on how to resolve it.
; WARN-NOT: warning
define <vscale x 4 x i32> @widening(<vscale x 16 x i8> %in, <vscale x 4 x i16> %in2) {
; CHECK-LABEL: 'widening':
; CHECK: Cost Model: Found an estimated cost of {{[0-9]+}} for instruction: %in.bc = bitcast <vscale x 16 x i8> %in to <vscale x 4 x i32>
; CHECK-NEXT: Cost Model: Found an estimated cost of {{[0-9]+}} for instruction: %in2.ext = zext <vscale x 4 x i16> %in2 to <vscale x 4 x i32>
; CHECK-NEXT: Cost Model: Found an estimated cost of {{[0-9]+}} for instruction: %in.add = add <vscale x 4 x i32> %in.bc, %in2.ext
; CHECK-NEXT: Cost Model: Found an estimated cost of {{[0-9]+}} for instruction: ret <vscale x 4 x i32> %in.add
%in.bc = bitcast <vscale x 16 x i8> %in to <vscale x 4 x i32>
%in2.ext = zext <vscale x 4 x i16> %in2 to <vscale x 4 x i32>
%in.add = add <vscale x 4 x i32> %in.bc, %in2.ext
ret <vscale x 4 x i32> %in.add
}