File: noop-ptrint-pair.ll

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llvm-toolchain-15 1%3A15.0.6-4
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; RUN: opt -mtriple=x86_64-unknown-unknown -S -o - -infer-address-spaces -assume-default-is-flat-addrspace %s | FileCheck %s

; Check that assert in X86TargetMachine::isNoopAddrSpaceCast is not triggered.

target datalayout = "e-p:64:64-p1:64:64-p2:32:32-p3:32:32-p4:64:64-p5:32:32-p6:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64-S32-A5-ni:7"

; CHECK-LABEL: @noop_ptrint_pair(
; CHECK: addrspacecast i32 addrspace(1)* %x to i32 addrspace(4)*
; CHECK-NEXT: ptrtoint i32 addrspace(4)* %{{.*}} to i64
; CHECK-NEXT: inttoptr i64 %{{.*}} to i32 addrspace(4)*
define void @noop_ptrint_pair(i32 addrspace(1)* %x) {
  %1 = addrspacecast i32 addrspace(1)* %x to i32 addrspace(4)*
  %2 = ptrtoint i32 addrspace(4)* %1 to i64
  %3 = inttoptr i64 %2 to i32 addrspace(4)*
  ret void
}