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; This entire chain of computation should be optimized away, but
; wasn't because the two multiplies were not detected as being identical.
;
; RUN: llvm-upgrade < %s | llvm-as | opt -gcse -instcombine -dce | \
; RUN: llvm-dis | not grep sub
implementation ; Functions:
uint "vnum_test4"(uint* %data) {
%idx1 = getelementptr uint* %data, uint 1
%idx2 = getelementptr uint* %data, uint 3
%reg1101 = load uint* %idx1
%reg1111 = load uint* %idx2
%reg109 = mul uint %reg1101, %reg1111
%reg108 = mul uint %reg1111, %reg1101
%reg121 = sub uint %reg108, %reg109
ret uint %reg121
}
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