1 ; RUN: llc < %s -march=x86 >%t
3 ; TODO: Enhance full lsr mode to get this:
4 ; RUNX: grep {addl \\\$4,} %t | count 3
5 ; RUNX: not grep {,%} %t
7 ; For now, it should find this, which is still pretty good:
8 ; RUN: not grep {addl \\\$4,} %t
9 ; RUN: grep {,%} %t | count 6
11 define void @foo(float* nocapture %A, float* nocapture %B, float* nocapture %C, i32 %N) nounwind {
13 %0 = icmp sgt i32 %N, 0 ; <i1> [#uses=1]
14 br i1 %0, label %bb, label %return
16 bb: ; preds = %bb, %entry
17 %i.03 = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=5]
18 %1 = getelementptr float* %A, i32 %i.03 ; <float*> [#uses=1]
19 %2 = load float* %1, align 4 ; <float> [#uses=1]
20 %3 = getelementptr float* %B, i32 %i.03 ; <float*> [#uses=1]
21 %4 = load float* %3, align 4 ; <float> [#uses=1]
22 %5 = fadd float %2, %4 ; <float> [#uses=1]
23 %6 = getelementptr float* %C, i32 %i.03 ; <float*> [#uses=1]
24 store float %5, float* %6, align 4
25 %7 = add i32 %i.03, 10 ; <i32> [#uses=3]
26 %8 = getelementptr float* %A, i32 %7 ; <float*> [#uses=1]
27 %9 = load float* %8, align 4 ; <float> [#uses=1]
28 %10 = getelementptr float* %B, i32 %7 ; <float*> [#uses=1]
29 %11 = load float* %10, align 4 ; <float> [#uses=1]
30 %12 = fadd float %9, %11 ; <float> [#uses=1]
31 %13 = getelementptr float* %C, i32 %7 ; <float*> [#uses=1]
32 store float %12, float* %13, align 4
33 %indvar.next = add i32 %i.03, 1 ; <i32> [#uses=2]
34 %exitcond = icmp eq i32 %indvar.next, %N ; <i1> [#uses=1]
35 br i1 %exitcond, label %return, label %bb
37 return: ; preds = %bb, %entry