1 ; Test that the SPrintFOptimizer works correctly
2 ; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | \
3 ; RUN: not grep {call.*sprintf}
5 @hello = constant [6 x i8] c"hello\00" ; <[6 x i8]*> [#uses=1]
6 @null = constant [1 x i8] zeroinitializer ; <[1 x i8]*> [#uses=1]
7 @null_hello = constant [7 x i8] c"\00hello\00" ; <[7 x i8]*> [#uses=1]
8 @fmt1 = constant [3 x i8] c"%s\00" ; <[3 x i8]*> [#uses=1]
9 @fmt2 = constant [3 x i8] c"%c\00" ; <[3 x i8]*> [#uses=1]
11 declare i32 @sprintf(i8*, i8*, ...)
13 declare i32 @puts(i8*)
15 define i32 @foo(i8* %p) {
16 %target = alloca [1024 x i8] ; <[1024 x i8]*> [#uses=1]
17 %target_p = getelementptr [1024 x i8]* %target, i32 0, i32 0 ; <i8*> [#uses=7]
18 %hello_p = getelementptr [6 x i8]* @hello, i32 0, i32 0 ; <i8*> [#uses=2]
19 %null_p = getelementptr [1 x i8]* @null, i32 0, i32 0 ; <i8*> [#uses=1]
20 %nh_p = getelementptr [7 x i8]* @null_hello, i32 0, i32 0 ; <i8*> [#uses=1]
21 %fmt1_p = getelementptr [3 x i8]* @fmt1, i32 0, i32 0 ; <i8*> [#uses=2]
22 %fmt2_p = getelementptr [3 x i8]* @fmt2, i32 0, i32 0 ; <i8*> [#uses=1]
23 store i8 0, i8* %target_p
24 %r1 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %hello_p ) ; <i32> [#uses=1]
25 %r2 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %null_p ) ; <i32> [#uses=1]
26 %r3 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %nh_p ) ; <i32> [#uses=1]
27 %r4 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %fmt1_p, i8* %hello_p ) ; <i32> [#uses=1]
28 %r4.1 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %fmt1_p, i8* %p ) ; <i32> [#uses=1]
29 %r5 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %fmt2_p, i32 82 ) ; <i32> [#uses=1]
30 %r6 = add i32 %r1, %r2 ; <i32> [#uses=1]
31 %r7 = add i32 %r3, %r6 ; <i32> [#uses=1]
32 %r8 = add i32 %r5, %r7 ; <i32> [#uses=1]
33 %r9 = add i32 %r8, %r4 ; <i32> [#uses=1]
34 %r10 = add i32 %r9, %r4.1 ; <i32> [#uses=1]