xref: /aosp_15_r20/external/llvm/test/Transforms/InstCombine/2008-07-10-CastSextBool.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | FileCheck %s
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Workerdefine i1 @PR2539_A(i1 %A) {
5*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @PR2539_A(
6*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT:    [[C:%.*]] = xor i1 %A, true
7*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT:    ret i1 [[C]]
8*9880d681SAndroid Build Coastguard Worker;
9*9880d681SAndroid Build Coastguard Worker  %B = zext i1 %A to i32
10*9880d681SAndroid Build Coastguard Worker  %C = icmp slt i32 %B, 1
11*9880d681SAndroid Build Coastguard Worker  ret i1 %C
12*9880d681SAndroid Build Coastguard Worker}
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workerdefine i1 @PR2539_B(i1 zeroext %b) {
16*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @PR2539_B(
17*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT:    ret i1 false
18*9880d681SAndroid Build Coastguard Worker;
19*9880d681SAndroid Build Coastguard Worker  %cmp = icmp slt i1 %b, true
20*9880d681SAndroid Build Coastguard Worker  ret i1 %cmp
21*9880d681SAndroid Build Coastguard Worker}
22*9880d681SAndroid Build Coastguard Worker
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