1 ; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep trunc | count 1
3 ; Indvars should do the IV arithmetic in the canonical IV type (i64),
4 ; and only use one truncation.
6 define void @foo(i64* %A, i64* %B, i64 %n, i64 %a, i64 %s) nounwind {
8 %t0 = icmp sgt i64 %n, 0 ; <i1> [#uses=1]
9 br i1 %t0, label %bb.preheader, label %return
11 bb.preheader: ; preds = %entry
14 bb: ; preds = %bb, %bb.preheader
15 %i.01 = phi i64 [ %t6, %bb ], [ %a, %bb.preheader ] ; <i64> [#uses=3]
16 %t1 = and i64 %i.01, 255 ; <i64> [#uses=1]
17 %t2 = getelementptr i64* %A, i64 %t1 ; <i64*> [#uses=1]
18 store i64 %i.01, i64* %t2, align 8
19 %t6 = add i64 %i.01, %s ; <i64> [#uses=1]
22 return: ; preds = %entry