llvm/test/Transforms/GVN/ptrtoaddr.ll


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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; RUN: opt -S -passes=gvn < %s | FileCheck %s

define i64 @ptrtoaddr_same(ptr %p) {
; CHECK-LABEL: define i64 @ptrtoaddr_same(
; CHECK-SAME: ptr [[P:%.*]]) {
; CHECK-NEXT:    [[J:%.*]] = ptrtoaddr ptr [[P]] to i64
; CHECK-NEXT:    ret i64 0
;
  %i = ptrtoaddr ptr %p to i64
  %j = ptrtoaddr ptr %p to i64
  %sub = sub i64 %i, %j
  ret i64 %sub
}

; Note that unlike for ptrtoint, it's not possible for ptrtoaddr to differ
; in result type for the same input.
define i64 @ptrtoaddr_different(ptr %p, ptr %p2) {
; CHECK-LABEL: define i64 @ptrtoaddr_different(
; CHECK-SAME: ptr [[P:%.*]], ptr [[P2:%.*]]) {
; CHECK-NEXT:    [[I:%.*]] = ptrtoaddr ptr [[P]] to i64
; CHECK-NEXT:    [[J:%.*]] = ptrtoaddr ptr [[P2]] to i64
; CHECK-NEXT:    [[SUB:%.*]] = sub i64 [[I]], [[J]]
; CHECK-NEXT:    ret i64 [[SUB]]
;
  %i = ptrtoaddr ptr %p to i64
  %j = ptrtoaddr ptr %p2 to i64
  %sub = sub i64 %i, %j
  ret i64 %sub
}