xref: /aosp_15_r20/external/llvm/test/Transforms/InstCombine/apint-shl-trunc.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdefine i1 @test0(i39 %X, i39 %A) {
4*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test0(
5*9880d681SAndroid Build Coastguard Worker; CHECK: %[[V1:.*]] = shl i39 1, %A
6*9880d681SAndroid Build Coastguard Worker; CHECK: %[[V2:.*]] = and i39 %[[V1]], %X
7*9880d681SAndroid Build Coastguard Worker; CHECK: %[[V3:.*]] = icmp ne i39 %[[V2]], 0
8*9880d681SAndroid Build Coastguard Worker; CHECK: ret i1 %[[V3]]
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Worker	%B = lshr i39 %X, %A
11*9880d681SAndroid Build Coastguard Worker	%D = trunc i39 %B to i1
12*9880d681SAndroid Build Coastguard Worker	ret i1 %D
13*9880d681SAndroid Build Coastguard Worker}
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workerdefine i1 @test1(i799 %X, i799 %A) {
16*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test1(
17*9880d681SAndroid Build Coastguard Worker; CHECK: %[[V1:.*]] = shl i799 1, %A
18*9880d681SAndroid Build Coastguard Worker; CHECK: %[[V2:.*]] = and i799 %[[V1]], %X
19*9880d681SAndroid Build Coastguard Worker; CHECK: %[[V3:.*]] = icmp ne i799 %[[V2]], 0
20*9880d681SAndroid Build Coastguard Worker; CHECK: ret i1 %[[V3]]
21*9880d681SAndroid Build Coastguard Worker
22*9880d681SAndroid Build Coastguard Worker	%B = lshr i799 %X, %A
23*9880d681SAndroid Build Coastguard Worker	%D = trunc i799 %B to i1
24*9880d681SAndroid Build Coastguard Worker	ret i1 %D
25*9880d681SAndroid Build Coastguard Worker}
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