llvm-for-llvmta/test/Analysis/CostModel/AArch64/cost-scalable-vector-gep.ll

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2022-04-25 10:02:23 +02:00
; 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
; This regression test is verifying that a GEP instruction performed on a
; scalable vector does not produce a 'assumption that TypeSize is not scalable'
; warning when performing cost analysis.
; If this check fails please read test/CodeGen/AArch64/README for instructions on how to resolve it.
; WARN-NOT: warning:
; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %retval = getelementptr
define <vscale x 16 x i8>* @gep_scalable_vector(<vscale x 16 x i8>* %ptr) {
%retval = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %ptr, i32 2
ret <vscale x 16 x i8>* %retval
}