1 ; RUN: opt -reassociate -disable-output %s
5 define fastcc i32 @test1() nounwind {
7 %cond = select i1 undef, i32 1, i32 -1 ; <i32> [#uses=2]
10 for.cond: ; preds = %for.body, %entry
11 %sub889 = sub i32 undef, undef ; <i32> [#uses=1]
12 %sub891 = sub i32 %sub889, %cond ; <i32> [#uses=0]
13 %add896 = sub i32 0, %cond ; <i32> [#uses=0]
18 define i32 @test2() nounwind ssp {
20 %0 = load i32* undef, align 4
21 %1 = mul nsw i32 undef, %0
22 %2 = mul nsw i32 undef, %0
23 %3 = add nsw i32 undef, %1
24 %4 = add nsw i32 %3, %2
25 %5 = add nsw i32 %4, 4
27 %7 = add nsw i32 %5, %6
31 %8 = add nsw i32 undef, %1
36 define i32 @test3(i32 %Arg, i32 %x1, i32 %x2, i32 %x3) {
37 %A = mul i32 %x1, %Arg
38 %B = mul i32 %Arg, %x2 ;; Part of add operation being factored, also used by C