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

12 lines
600 B
LLVM

; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=aarch64--linux-gnu -mattr=+sve < %s | FileCheck %s
; 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.
; 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
}