load-ptr-cmp-fold.ll
527 Bytes
; RUN: opt < %s -cost-model -analyze -mtriple=systemz-unknown -mcpu=z13 | FileCheck %s
; Test that the cost heuristic for a folded load works also for a pointer operand.
define void @fun0(i64* %lhs, i64** %rhs_ptr) {
%rhs = load i64*, i64** %rhs_ptr
%c = icmp eq i64* %lhs, %rhs
ret void
; CHECK: Printing analysis 'Cost Model Analysis' for function 'fun0':
; CHECK: Cost Model: Found an estimated cost of 0 for instruction: %rhs = load
; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %c = icmp
}