xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/subreg-to-reg-3.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=x86-64 | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; CHECK: imull
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker; Don't eliminate or coalesce away the explicit zero-extension!
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerdefine i64 @foo(i64 %a) {
8*9880d681SAndroid Build Coastguard Worker  %b = mul i64 %a, 7823
9*9880d681SAndroid Build Coastguard Worker  %c = and i64 %b, 4294967295
10*9880d681SAndroid Build Coastguard Worker  %d = add i64 %c, 1
11*9880d681SAndroid Build Coastguard Worker  ret i64 %d
12*9880d681SAndroid Build Coastguard Worker}
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