xref: /aosp_15_r20/external/llvm/test/Transforms/InstCombine/apint-zext1.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; Tests to make sure elimination of casts is working correctly
2*9880d681SAndroid Build Coastguard Worker; This test is for Integer BitWidth <= 64 && BitWidth % 2 != 0.
3*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | FileCheck %s
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine i47 @test_sext_zext(i11 %A) {
6*9880d681SAndroid Build Coastguard Worker    %c1 = zext i11 %A to i39
7*9880d681SAndroid Build Coastguard Worker    %c2 = sext i39 %c1 to i47
8*9880d681SAndroid Build Coastguard Worker    ret i47 %c2
9*9880d681SAndroid Build Coastguard Worker; CHECK: %c2 = zext i11 %A to i47
10*9880d681SAndroid Build Coastguard Worker; CHECK: ret i47 %c2
11*9880d681SAndroid Build Coastguard Worker}
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