test/Analysis/CostModel/AMDGPU/gep.ll

; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx1010 < %s | FileCheck -check-prefixes=ALL %s
; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx90a < %s | FileCheck -check-prefixes=ALL %s
; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx900 < %s | FileCheck -check-prefixes=ALL %s
; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa < %s | FileCheck -check-prefixes=ALL %s

; RUN: opt -passes="print<cost-model>" -cost-kind=code-size 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx1010 < %s | FileCheck -check-prefixes=ALL-SIZE %s
; RUN: opt -passes="print<cost-model>" -cost-kind=code-size 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx90a < %s | FileCheck -check-prefixes=ALL-SIZE %s
; RUN: opt -passes="print<cost-model>" -cost-kind=code-size 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx900 < %s | FileCheck -check-prefixes=ALL-SIZE %s
; RUN: opt -passes="print<cost-model>" -cost-kind=code-size 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa < %s | FileCheck -check-prefixes=ALL-SIZE %s
; END.

define void @test_geps() {
; ALL-LABEL: 'test_geps'
; ALL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %giant_gep0 = getelementptr inbounds i8, ptr undef, i64 9223372036854775807
; ALL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %giant_gep1 = getelementptr inbounds i8, ptr undef, i128 295147905179352825855
; ALL-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: ret void
;
; ALL-SIZE-LABEL: 'test_geps'
; ALL-SIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %giant_gep0 = getelementptr inbounds i8, ptr undef, i64 9223372036854775807
; ALL-SIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %giant_gep1 = getelementptr inbounds i8, ptr undef, i128 295147905179352825855
; ALL-SIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret void
;



  ; Check that we handle outlandishly large GEPs properly.  This is unlikely to
  ; be a valid pointer, but LLVM still generates GEPs like this sometimes in
  ; dead code.
  ; This GEP has index INT64_MAX, which is cost 1.
  %giant_gep0 = getelementptr inbounds i8, ptr undef, i64 9223372036854775807

  ; This GEP index wraps around to -1, which is cost 0.
  %giant_gep1 = getelementptr inbounds i8, ptr undef, i128 295147905179352825855

  ret void
}