pr33165-distribute-undef.ll
477 Bytes
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -newgvn -S %s | FileCheck %s
; Test for PR33165.
define i2 @f(i2, i1) {
; CHECK-LABEL: @f(
; CHECK-NEXT: [[A:%.*]] = xor i2 [[TMP0:%.*]], -1
; CHECK-NEXT: [[B:%.*]] = select i1 [[TMP1:%.*]], i2 [[A]], i2 undef
; CHECK-NEXT: [[C:%.*]] = and i2 [[A]], [[B]]
; CHECK-NEXT: ret i2 [[C]]
;
%a = xor i2 %0, -1
%b = select i1 %1, i2 %a, i2 undef
%c = and i2 %a, %b
ret i2 %c
}