1e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao; RUN: opt < %s -loop-reduce -S | grep phi | count 1 2e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao; RUN: opt < %s -loop-reduce -S | grep mul | count 1 3e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao; ModuleID = '<stdin>' 4e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao; Make sure examining a fuller expression outside the loop doesn't cause us to create a second 5e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao; IV of stride %3. 6e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liaotarget 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" 7e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liaotarget triple = "i386-apple-darwin9.5" 8e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao %struct.anon = type { %struct.obj*, %struct.obj* } 9e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao %struct.obj = type { i16, i16, { %struct.anon } } 10e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao@heap_size = external global i32 ; <i32*> [#uses=1] 11e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao@"\01LC85" = external constant [39 x i8] ; <[39 x i8]*> [#uses=1] 12e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao 13e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liaodeclare i32 @sprintf(i8*, i8*, ...) nounwind 14e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao 15e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liaodefine %struct.obj* @gc_status(%struct.obj* %args) nounwind { 16e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liaoentry: 17e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao br label %bb1.i 18e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao 19e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liaobb.i2: ; preds = %bb2.i3 20e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao %indvar.next24 = add i32 %m.0.i, 1 ; <i32> [#uses=1] 21e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao br label %bb1.i 22e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao 23e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liaobb1.i: ; preds = %bb.i2, %entry 24e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao %m.0.i = phi i32 [ 0, %entry ], [ %indvar.next24, %bb.i2 ] ; <i32> [#uses=4] 25e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao %0 = icmp slt i32 %m.0.i, 0 ; <i1> [#uses=1] 26e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao br i1 %0, label %bb2.i3, label %nactive_heaps.exit 27e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao 28e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liaobb2.i3: ; preds = %bb1.i 29e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao %1 = load %struct.obj** null, align 4 ; <%struct.obj*> [#uses=1] 30e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao %2 = icmp eq %struct.obj* %1, null ; <i1> [#uses=1] 31e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao br i1 %2, label %nactive_heaps.exit, label %bb.i2 32e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao 33e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liaonactive_heaps.exit: ; preds = %bb2.i3, %bb1.i 34e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao %3 = load i32* @heap_size, align 4 ; <i32> [#uses=1] 35e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao %4 = mul i32 %3, %m.0.i ; <i32> [#uses=1] 36e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao %5 = sub i32 %4, 0 ; <i32> [#uses=1] 37e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao %6 = tail call i32 (i8*, i8*, ...)* @sprintf(i8* null, i8* getelementptr ([39 x i8]* @"\01LC85", i32 0, i32 0), i32 %m.0.i, i32 0, i32 %5, i32 0) nounwind ; <i32> [#uses=0] 38e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao ret %struct.obj* null 39e264f62ca09a8f65c87a46d562a4d0f9ec5d457Shih-wei Liao} 40