xref: /aosp_15_r20/external/llvm/test/Transforms/InstCombine/udiv-simplify-bug-0.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | grep "ret i64 0" | count 2
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdefine i64 @foo(i32 %x) nounwind {
4*9880d681SAndroid Build Coastguard Worker  %y = lshr i32 %x, 1
5*9880d681SAndroid Build Coastguard Worker  %r = udiv i32 %y, -1
6*9880d681SAndroid Build Coastguard Worker  %z = sext i32 %r to i64
7*9880d681SAndroid Build Coastguard Worker  ret i64 %z
8*9880d681SAndroid Build Coastguard Worker}
9*9880d681SAndroid Build Coastguard Workerdefine i64 @bar(i32 %x) nounwind {
10*9880d681SAndroid Build Coastguard Worker  %y = lshr i32 %x, 31
11*9880d681SAndroid Build Coastguard Worker  %r = udiv i32 %y, 3
12*9880d681SAndroid Build Coastguard Worker  %z = sext i32 %r to i64
13*9880d681SAndroid Build Coastguard Worker  ret i64 %z
14*9880d681SAndroid Build Coastguard Worker}
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