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llvm-6502/test/Transforms/Reassociate/2002-05-15-SubReassociate2.ll
2003-09-16 15:29:54 +00:00

13 lines
326 B
LLVM

; With sub reassociation, constant folding can eliminate the two 12 constants.
;
; RUN: llvm-as < %s | opt -reassociate -constprop -dce | llvm-dis | not grep 12
int "test"(int %A, int %B, int %C, int %D) {
%M = add int %A, 12
%N = add int %M, %B
%O = add int %N, %C
%P = sub int %D, %O
%Q = add int %P, 12
ret int %Q
}