xref: /aosp_15_r20/external/llvm/test/Transforms/InstCombine/apint-shift-simplify.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 i41 @test0(i41 %A, i41 %B, i41 %C) {
4*9880d681SAndroid Build Coastguard Worker	%X = shl i41 %A, %C
5*9880d681SAndroid Build Coastguard Worker	%Y = shl i41 %B, %C
6*9880d681SAndroid Build Coastguard Worker	%Z = and i41 %X, %Y
7*9880d681SAndroid Build Coastguard Worker	ret i41 %Z
8*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test0(
9*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: and i41 %A, %B
10*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: shl i41
11*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret
12*9880d681SAndroid Build Coastguard Worker}
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Workerdefine i57 @test1(i57 %A, i57 %B, i57 %C) {
15*9880d681SAndroid Build Coastguard Worker	%X = lshr i57 %A, %C
16*9880d681SAndroid Build Coastguard Worker	%Y = lshr i57 %B, %C
17*9880d681SAndroid Build Coastguard Worker	%Z = or i57 %X, %Y
18*9880d681SAndroid Build Coastguard Worker	ret i57 %Z
19*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test1(
20*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: or i57 %A, %B
21*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: lshr i57
22*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret
23*9880d681SAndroid Build Coastguard Worker}
24*9880d681SAndroid Build Coastguard Worker
25*9880d681SAndroid Build Coastguard Workerdefine i49 @test2(i49 %A, i49 %B, i49 %C) {
26*9880d681SAndroid Build Coastguard Worker	%X = ashr i49 %A, %C
27*9880d681SAndroid Build Coastguard Worker	%Y = ashr i49 %B, %C
28*9880d681SAndroid Build Coastguard Worker	%Z = xor i49 %X, %Y
29*9880d681SAndroid Build Coastguard Worker	ret i49 %Z
30*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test2(
31*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: xor i49 %A, %B
32*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ashr i49
33*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret
34*9880d681SAndroid Build Coastguard Worker}
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