xref: /aosp_15_r20/external/llvm/test/Transforms/InstCombine/2008-07-16-fsub.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | grep sub
2*9880d681SAndroid Build Coastguard Worker; PR2553
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Workerdefine double @test(double %X) nounwind {
5*9880d681SAndroid Build Coastguard Worker	; fsub of self can't be optimized away.
6*9880d681SAndroid Build Coastguard Worker	%Y = fsub double %X, %X
7*9880d681SAndroid Build Coastguard Worker	ret double %Y
8*9880d681SAndroid Build Coastguard Worker}
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