| ; RUN: opt < %s -loop-reduce -S | grep add | count 2 |
| ; PR 2662 |
| @g_3 = common global i16 0 ; <i16*> [#uses=2] |
| @"\01LC" = internal constant [4 x i8] c"%d\0A\00" ; <[4 x i8]*> [#uses=1] |
| |
| define void @func_1() nounwind { |
| entry: |
| br label %bb |
| |
| bb: ; preds = %bb, %entry |
| %l_2.0.reg2mem.0 = phi i16 [ 0, %entry ], [ %t1, %bb ] ; <i16> [#uses=2] |
| %t0 = shl i16 %l_2.0.reg2mem.0, 1 ; <i16>:0 [#uses=1] |
| volatile store i16 %t0, i16* @g_3, align 2 |
| %t1 = add i16 %l_2.0.reg2mem.0, -3 ; <i16>:1 [#uses=2] |
| %t2 = icmp slt i16 %t1, 1 ; <i1>:2 [#uses=1] |
| br i1 %t2, label %bb, label %return |
| |
| return: ; preds = %bb |
| ret void |
| } |
| |
| define i32 @main() nounwind { |
| entry: |
| tail call void @func_1( ) nounwind |
| volatile load i16* @g_3, align 2 ; <i16>:0 [#uses=1] |
| zext i16 %0 to i32 ; <i32>:1 [#uses=1] |
| tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @"\01LC", i32 0, i32 0), i32 %1 ) nounwind ; <i32>:2 [#uses=0] |
| ret i32 0 |
| } |
| |
| declare i32 @printf(i8*, ...) nounwind |
