File: 2008-07-08-ShiftOneAndOne.ll

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llvm-toolchain-6.0 1%3A6.0.1-10
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s

define i1 @PR2330(i32 %a) {
; CHECK-LABEL: @PR2330(
; CHECK-NEXT:    [[TOBOOL:%.*]] = icmp ne i32 %a, 0
; CHECK-NEXT:    ret i1 [[TOBOOL]]
;
  %tmp15 = shl i32 1, %a
  %tmp237 = and i32 %tmp15, 1
  %toBool = icmp eq i32 %tmp237, 0
  ret i1 %toBool
}