You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
35 lines
1.7 KiB
35 lines
1.7 KiB
; RUN: llc < %s
|
|
|
|
@a_str = internal constant [8 x i8] c"a = %d\0A\00" ; <[8 x i8]*> [#uses=1]
|
|
@b_str = internal constant [8 x i8] c"b = %d\0A\00" ; <[8 x i8]*> [#uses=1]
|
|
@a_shl_str = internal constant [14 x i8] c"a << %d = %d\0A\00" ; <[14 x i8]*> [#uses=1]
|
|
@A = global i32 2 ; <i32*> [#uses=1]
|
|
@B = global i32 5 ; <i32*> [#uses=1]
|
|
|
|
declare i32 @printf(i8*, ...)
|
|
|
|
define i32 @main() {
|
|
entry:
|
|
%a = load i32, i32* @A ; <i32> [#uses=2]
|
|
%b = load i32, i32* @B ; <i32> [#uses=1]
|
|
%a_s = getelementptr [8 x i8], [8 x i8]* @a_str, i64 0, i64 0 ; <i8*> [#uses=1]
|
|
%b_s = getelementptr [8 x i8], [8 x i8]* @b_str, i64 0, i64 0 ; <i8*> [#uses=1]
|
|
%a_shl_s = getelementptr [14 x i8], [14 x i8]* @a_shl_str, i64 0, i64 0 ; <i8*> [#uses=1]
|
|
call i32 (i8*, ...) @printf( i8* %a_s, i32 %a ) ; <i32>:0 [#uses=0]
|
|
call i32 (i8*, ...) @printf( i8* %b_s, i32 %b ) ; <i32>:1 [#uses=0]
|
|
br label %shl_test
|
|
|
|
shl_test: ; preds = %shl_test, %entry
|
|
%s = phi i8 [ 0, %entry ], [ %s_inc, %shl_test ] ; <i8> [#uses=4]
|
|
%shift.upgrd.1 = zext i8 %s to i32 ; <i32> [#uses=1]
|
|
%result = shl i32 %a, %shift.upgrd.1 ; <i32> [#uses=1]
|
|
call i32 (i8*, ...) @printf( i8* %a_shl_s, i8 %s, i32 %result ) ; <i32>:2 [#uses=0]
|
|
%s_inc = add i8 %s, 1 ; <i8> [#uses=1]
|
|
%done = icmp eq i8 %s, 32 ; <i1> [#uses=1]
|
|
br i1 %done, label %fini, label %shl_test
|
|
|
|
fini: ; preds = %shl_test
|
|
ret i32 0
|
|
}
|
|
|