File: constant-fold-iteration.ll

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; RUN: opt < %s -passes='instcombine<no-verify-fixpoint>' -S -debug 2>&1 | FileCheck %s
; REQUIRES: asserts
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"

; This test disables fixpoint verification, because that would cause a second
; iteration for verification.

define i32 @a() nounwind readnone {
entry:
  %cmp = icmp eq i32 0, ptrtoint (ptr @a to i32)
  %ext = zext i1 %cmp to i32
  ret i32 %ext
}
; CHECK: INSTCOMBINE ITERATION #1
; CHECK-NOT: INSTCOMBINE ITERATION #2