1 ; RUN: llvm-as < %s | llc -march=arm
2 ; RUN: llvm-as < %s | llc -march=arm | grep subgt | count 1
3 ; RUN: llvm-as < %s | llc -march=arm | grep suble | count 1
4 ; FIXME: Check for # of unconditional branch after adding branch folding post ifcvt.
6 define i32 @t(i32 %a, i32 %b) {
8 %tmp1434 = icmp eq i32 %a, %b ; <i1> [#uses=1]
9 br i1 %tmp1434, label %bb17, label %bb.outer
11 bb.outer: ; preds = %cond_false, %entry
12 %b_addr.021.0.ph = phi i32 [ %b, %entry ], [ %tmp10, %cond_false ] ; <i32> [#uses=5]
13 %a_addr.026.0.ph = phi i32 [ %a, %entry ], [ %a_addr.026.0, %cond_false ] ; <i32> [#uses=1]
16 bb: ; preds = %cond_true, %bb.outer
17 %indvar = phi i32 [ 0, %bb.outer ], [ %indvar.next, %cond_true ] ; <i32> [#uses=2]
18 %tmp. = sub i32 0, %b_addr.021.0.ph ; <i32> [#uses=1]
19 %tmp.40 = mul i32 %indvar, %tmp. ; <i32> [#uses=1]
20 %a_addr.026.0 = add i32 %tmp.40, %a_addr.026.0.ph ; <i32> [#uses=6]
21 %tmp3 = icmp sgt i32 %a_addr.026.0, %b_addr.021.0.ph ; <i1> [#uses=1]
22 br i1 %tmp3, label %cond_true, label %cond_false
24 cond_true: ; preds = %bb
25 %tmp7 = sub i32 %a_addr.026.0, %b_addr.021.0.ph ; <i32> [#uses=2]
26 %tmp1437 = icmp eq i32 %tmp7, %b_addr.021.0.ph ; <i1> [#uses=1]
27 %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1]
28 br i1 %tmp1437, label %bb17, label %bb
30 cond_false: ; preds = %bb
31 %tmp10 = sub i32 %b_addr.021.0.ph, %a_addr.026.0 ; <i32> [#uses=2]
32 %tmp14 = icmp eq i32 %a_addr.026.0, %tmp10 ; <i1> [#uses=1]
33 br i1 %tmp14, label %bb17, label %bb.outer
35 bb17: ; preds = %cond_false, %cond_true, %entry
36 %a_addr.026.1 = phi i32 [ %a, %entry ], [ %tmp7, %cond_true ], [ %a_addr.026.0, %cond_false ] ; <i32> [#uses=1]