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      1 ; RUN: opt < %s -loop-reduce -S | grep phi | count 2
      2 ; PR 2779
      3 
      4 ; Provide legal integer types.
      5 target datalayout = "n8:16:32:64"
      6 
      7 @g_19 = common global i32 0		; <i32*> [#uses=3]
      8 @"\01LC" = internal constant [4 x i8] c"%d\0A\00"		; <[4 x i8]*> [#uses=1]
      9 
     10 define i32 @func_8(i8 zeroext %p_9) nounwind {
     11 entry:
     12 	ret i32 1
     13 }
     14 
     15 define i32 @func_3(i8 signext %p_5) nounwind {
     16 entry:
     17 	ret i32 1
     18 }
     19 
     20 define void @func_1() nounwind {
     21 entry:
     22 	br label %bb
     23 
     24 bb:		; preds = %bb, %entry
     25 	%indvar = phi i16 [ 0, %entry ], [ %indvar.next, %bb ]		; <i16> [#uses=2]
     26 	%tmp = sub i16 0, %indvar		; <i16> [#uses=1]
     27 	%tmp27 = trunc i16 %tmp to i8		; <i8> [#uses=1]
     28 	load i32, i32* @g_19, align 4		; <i32>:0 [#uses=2]
     29 	add i32 %0, 1		; <i32>:1 [#uses=1]
     30 	store i32 %1, i32* @g_19, align 4
     31 	trunc i32 %0 to i8		; <i8>:2 [#uses=1]
     32 	tail call i32 @func_8( i8 zeroext %2 ) nounwind		; <i32>:3 [#uses=0]
     33 	shl i8 %tmp27, 2		; <i8>:4 [#uses=1]
     34 	add i8 %4, -112		; <i8>:5 [#uses=1]
     35 	tail call i32 @func_3( i8 signext %5 ) nounwind		; <i32>:6 [#uses=0]
     36 	%indvar.next = add i16 %indvar, 1		; <i16> [#uses=2]
     37 	%exitcond = icmp eq i16 %indvar.next, -28		; <i1> [#uses=1]
     38 	br i1 %exitcond, label %return, label %bb
     39 
     40 return:		; preds = %bb
     41 	ret void
     42 }
     43 
     44 define i32 @main() nounwind {
     45 entry:
     46 	tail call void @func_1( ) nounwind
     47 	load i32, i32* @g_19, align 4		; <i32>:0 [#uses=1]
     48 	tail call i32 (i8*, ...) @printf( i8* getelementptr ([4 x i8], [4 x i8]* @"\01LC", i32 0, i32 0), i32 %0 ) nounwind		; <i32>:1 [#uses=0]
     49 	ret i32 0
     50 }
     51 
     52 declare i32 @printf(i8*, ...) nounwind
     53