1; RUN: opt < %s -loop-reduce -S | grep phi | count 1 2; RUN: opt < %s -loop-reduce -S | grep mul | count 1 3; ModuleID = '<stdin>' 4; Make sure examining a fuller expression outside the loop doesn't cause us to create a second 5; IV of stride %3. 6target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" 7target triple = "i386-apple-darwin9.5" 8 %struct.anon = type { %struct.obj*, %struct.obj* } 9 %struct.obj = type { i16, i16, { %struct.anon } } 10@heap_size = external global i32 ; <i32*> [#uses=1] 11@"\01LC85" = external constant [39 x i8] ; <[39 x i8]*> [#uses=1] 12 13declare i32 @sprintf(i8*, i8*, ...) nounwind 14 15define %struct.obj* @gc_status(%struct.obj* %args) nounwind { 16entry: 17 br label %bb1.i 18 19bb.i2: ; preds = %bb2.i3 20 %indvar.next24 = add i32 %m.0.i, 1 ; <i32> [#uses=1] 21 br label %bb1.i 22 23bb1.i: ; preds = %bb.i2, %entry 24 %m.0.i = phi i32 [ 0, %entry ], [ %indvar.next24, %bb.i2 ] ; <i32> [#uses=4] 25 %0 = icmp slt i32 %m.0.i, 0 ; <i1> [#uses=1] 26 br i1 %0, label %bb2.i3, label %nactive_heaps.exit 27 28bb2.i3: ; preds = %bb1.i 29 %1 = load %struct.obj*, %struct.obj** null, align 4 ; <%struct.obj*> [#uses=1] 30 %2 = icmp eq %struct.obj* %1, null ; <i1> [#uses=1] 31 br i1 %2, label %nactive_heaps.exit, label %bb.i2 32 33nactive_heaps.exit: ; preds = %bb2.i3, %bb1.i 34 %3 = load i32, i32* @heap_size, align 4 ; <i32> [#uses=1] 35 %4 = mul i32 %3, %m.0.i ; <i32> [#uses=1] 36 %5 = sub i32 %4, 0 ; <i32> [#uses=1] 37 %6 = tail call i32 (i8*, i8*, ...) @sprintf(i8* null, i8* getelementptr ([39 x i8], [39 x i8]* @"\01LC85", i32 0, i32 0), i32 %m.0.i, i32 0, i32 %5, i32 0) nounwind ; <i32> [#uses=0] 38 ret %struct.obj* null 39} 40