llvm/test/Transforms/InstCombine/phi-int-users.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S < %s -passes=instcombine | FileCheck %s

; Verify that instcombine doesn't look at users of Constant in different
; functions for dominates() queries.

define void @f1(i1 %a) {
; CHECK-LABEL: define void @f1(
; CHECK-SAME: i1 [[A:%.*]]) {
; CHECK-NEXT:    br label %[[BB1:.*]]
; CHECK:       [[BB1]]:
; CHECK-NEXT:    br i1 [[A]], label %[[BB3:.*]], label %[[BB2:.*]]
; CHECK:       [[BB2]]:
; CHECK-NEXT:    br label %[[BB3]]
; CHECK:       [[BB3]]:
; CHECK-NEXT:    [[PHI:%.*]] = phi i64 [ 0, %[[BB2]] ], [ 1, %[[BB1]] ]
; CHECK-NEXT:    [[INTTOPTR:%.*]] = inttoptr i64 [[PHI]] to ptr
; CHECK-NEXT:    store i32 0, ptr [[INTTOPTR]], align 4
; CHECK-NEXT:    br label %[[BB1]]
;
  br label %bb1

bb1:
  br i1 %a, label %bb3, label %bb2

bb2:
  br label %bb3

bb3:
  %phi = phi i64 [ 0, %bb2 ], [ 1, %bb1 ]
  %inttoptr = inttoptr i64 %phi to ptr
  store i32 0, ptr %inttoptr, align 4
  br label %bb1
}

define void @f2() {
; CHECK-LABEL: define void @f2() {
; CHECK-NEXT:  [[BB:.*:]]
; CHECK-NEXT:    ret void
;
bb:
  %inttoptr = inttoptr i64 0 to ptr
  ret void
}