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; RUN: llc < %s
@a_str = internal constant [8 x i8] c"a = %d\0A\00" ; <ptr> [#uses=1]
@b_str = internal constant [8 x i8] c"b = %d\0A\00" ; <ptr> [#uses=1]
@a_shl_str = internal constant [14 x i8] c"a << %d = %d\0A\00" ; <ptr> [#uses=1]
@A = global i32 2 ; <ptr> [#uses=1]
@B = global i32 5 ; <ptr> [#uses=1]
declare i32 @printf(ptr, ...)
define i32 @main() {
entry:
%a = load i32, ptr @A ; <i32> [#uses=2]
%b = load i32, ptr @B ; <i32> [#uses=1]
%a_s = getelementptr [8 x i8], ptr @a_str, i64 0, i64 0 ; <ptr> [#uses=1]
%b_s = getelementptr [8 x i8], ptr @b_str, i64 0, i64 0 ; <ptr> [#uses=1]
%a_shl_s = getelementptr [14 x i8], ptr @a_shl_str, i64 0, i64 0 ; <ptr> [#uses=1]
call i32 (ptr, ...) @printf( ptr %a_s, i32 %a ) ; <i32>:0 [#uses=0]
call i32 (ptr, ...) @printf( ptr %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 (ptr, ...) @printf( ptr %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
}
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