1 ; RUN: llc -march=mipsel < %s | FileCheck %s 2 3 @g0 = common global i32 0, align 4 4 @g1 = common global i32 0, align 4 5 6 ; Check that LSR doesn't choose a solution with a formula "reg + 4*reg". 7 ; 8 ; CHECK: $BB0_2: 9 ; CHECK-NOT: sll ${{[0-9]+}}, ${{[0-9]+}}, 2 10 11 define i32 @f0(i32 %n, i32 %m, [256 x i32]* nocapture %a, [256 x i32]* nocapture %b) nounwind readonly { 12 entry: 13 br label %for.cond1.preheader 14 15 for.cond1.preheader: 16 %s.022 = phi i32 [ 0, %entry ], [ %add7, %for.inc9 ] 17 %i.021 = phi i32 [ 0, %entry ], [ %add10, %for.inc9 ] 18 br label %for.body3 19 20 for.body3: 21 %s.120 = phi i32 [ %s.022, %for.cond1.preheader ], [ %add7, %for.body3 ] 22 %j.019 = phi i32 [ 0, %for.cond1.preheader ], [ %add8, %for.body3 ] 23 %arrayidx4 = getelementptr inbounds [256 x i32]* %a, i32 %i.021, i32 %j.019 24 %0 = load i32* %arrayidx4, align 4 25 %arrayidx6 = getelementptr inbounds [256 x i32]* %b, i32 %i.021, i32 %j.019 26 %1 = load i32* %arrayidx6, align 4 27 %add = add i32 %0, %s.120 28 %add7 = add i32 %add, %1 29 %add8 = add nsw i32 %j.019, %m 30 %cmp2 = icmp slt i32 %add8, 64 31 br i1 %cmp2, label %for.body3, label %for.inc9 32 33 for.inc9: 34 %add10 = add nsw i32 %i.021, %n 35 %cmp = icmp slt i32 %add10, 64 36 br i1 %cmp, label %for.cond1.preheader, label %for.end11 37 38 for.end11: 39 ret i32 %add7 40 } 41 42
