xref: /aosp_15_r20/external/llvm/test/Transforms/InstCombine/addnegneg.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | grep " sub " | count 1
2*9880d681SAndroid Build Coastguard Worker; PR2047
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Workerdefine i32 @l(i32 %a, i32 %b, i32 %c, i32 %d) {
5*9880d681SAndroid Build Coastguard Workerentry:
6*9880d681SAndroid Build Coastguard Worker	%b.neg = sub i32 0, %b		; <i32> [#uses=1]
7*9880d681SAndroid Build Coastguard Worker	%c.neg = sub i32 0, %c		; <i32> [#uses=1]
8*9880d681SAndroid Build Coastguard Worker	%sub4 = add i32 %c.neg, %b.neg		; <i32> [#uses=1]
9*9880d681SAndroid Build Coastguard Worker	%sub6 = add i32 %sub4, %d		; <i32> [#uses=1]
10*9880d681SAndroid Build Coastguard Worker	ret i32 %sub6
11*9880d681SAndroid Build Coastguard Worker}
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