; RUN: opt < %s -loop-reduce -S | grep phi | count 2 ; PR 2779 @g_19 = common global i32 0 ; <i32*> [#uses=3] @"\01LC" = internal constant [4 x i8] c"%d\0A\00" ; <[4 x i8]*> [#uses=1] define i32 @func_8(i8 zeroext %p_9) nounwind { entry: ret i32 1 } define i32 @func_3(i8 signext %p_5) nounwind { entry: ret i32 1 } define void @func_1() nounwind { entry: br label %bb bb: ; preds = %bb, %entry %indvar = phi i16 [ 0, %entry ], [ %indvar.next, %bb ] ; <i16> [#uses=2] %tmp = sub i16 0, %indvar ; <i16> [#uses=1] %tmp27 = trunc i16 %tmp to i8 ; <i8> [#uses=1] load i32* @g_19, align 4 ; <i32>:0 [#uses=2] add i32 %0, 1 ; <i32>:1 [#uses=1] store i32 %1, i32* @g_19, align 4 trunc i32 %0 to i8 ; <i8>:2 [#uses=1] tail call i32 @func_8( i8 zeroext %2 ) nounwind ; <i32>:3 [#uses=0] shl i8 %tmp27, 2 ; <i8>:4 [#uses=1] add i8 %4, -112 ; <i8>:5 [#uses=1] tail call i32 @func_3( i8 signext %5 ) nounwind ; <i32>:6 [#uses=0] %indvar.next = add i16 %indvar, 1 ; <i16> [#uses=2] %exitcond = icmp eq i16 %indvar.next, -28 ; <i1> [#uses=1] br i1 %exitcond, label %return, label %bb return: ; preds = %bb ret void } define i32 @main() nounwind { entry: tail call void @func_1( ) nounwind load i32* @g_19, align 4 ; <i32>:0 [#uses=1] tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @"\01LC", i32 0, i32 0), i32 %0 ) nounwind ; <i32>:1 [#uses=0] ret i32 0 } declare i32 @printf(i8*, ...) nounwind