1 ; RUN: llc < %s 2 3 @a_str = internal constant [8 x i8] c"a = %d\0A\00" ; <[8 x i8]*> [#uses=1] 4 @b_str = internal constant [8 x i8] c"b = %d\0A\00" ; <[8 x i8]*> [#uses=1] 5 @a_shl_str = internal constant [14 x i8] c"a << %d = %d\0A\00" ; <[14 x i8]*> [#uses=1] 6 @A = global i32 2 ; <i32*> [#uses=1] 7 @B = global i32 5 ; <i32*> [#uses=1] 8 9 declare i32 @printf(i8*, ...) 10 11 define i32 @main() { 12 entry: 13 %a = load i32* @A ; <i32> [#uses=2] 14 %b = load i32* @B ; <i32> [#uses=1] 15 %a_s = getelementptr [8 x i8]* @a_str, i64 0, i64 0 ; <i8*> [#uses=1] 16 %b_s = getelementptr [8 x i8]* @b_str, i64 0, i64 0 ; <i8*> [#uses=1] 17 %a_shl_s = getelementptr [14 x i8]* @a_shl_str, i64 0, i64 0 ; <i8*> [#uses=1] 18 call i32 (i8*, ...)* @printf( i8* %a_s, i32 %a ) ; <i32>:0 [#uses=0] 19 call i32 (i8*, ...)* @printf( i8* %b_s, i32 %b ) ; <i32>:1 [#uses=0] 20 br label %shl_test 21 22 shl_test: ; preds = %shl_test, %entry 23 %s = phi i8 [ 0, %entry ], [ %s_inc, %shl_test ] ; <i8> [#uses=4] 24 %shift.upgrd.1 = zext i8 %s to i32 ; <i32> [#uses=1] 25 %result = shl i32 %a, %shift.upgrd.1 ; <i32> [#uses=1] 26 call i32 (i8*, ...)* @printf( i8* %a_shl_s, i8 %s, i32 %result ) ; <i32>:2 [#uses=0] 27 %s_inc = add i8 %s, 1 ; <i8> [#uses=1] 28 %done = icmp eq i8 %s, 32 ; <i1> [#uses=1] 29 br i1 %done, label %fini, label %shl_test 30 31 fini: ; preds = %shl_test 32 ret i32 0 33 } 34 35
