| Reid Spencer | 82be985 | 2005-05-03 17:08:45 +0000 | [diff] [blame] | 1 | ; Test that the SPrintFOptimizer works correctly |
| Dan Gohman | 3e054fe | 2009-09-08 22:34:10 +0000 | [diff] [blame] | 2 | ; RUN: opt %s -simplify-libcalls -S | \ |
| Reid Spencer | 43b4003 | 2007-04-16 15:31:49 +0000 | [diff] [blame] | 3 | ; RUN: not grep {call.*sprintf} |
| Reid Spencer | 82be985 | 2005-05-03 17:08:45 +0000 | [diff] [blame] | 4 | |
| Dan Gohman | 600d52c | 2009-08-19 23:18:49 +0000 | [diff] [blame] | 5 | ; This transformation requires the pointer size, as it assumes that size_t is |
| 6 | ; the size of a pointer. |
| 7 | target datalayout = "-p:64:64:64" |
| 8 | |
| Tanya Lattner | ceca194 | 2008-03-10 07:21:50 +0000 | [diff] [blame] | 9 | @hello = constant [6 x i8] c"hello\00" ; <[6 x i8]*> [#uses=1] |
| 10 | @null = constant [1 x i8] zeroinitializer ; <[1 x i8]*> [#uses=1] |
| 11 | @null_hello = constant [7 x i8] c"\00hello\00" ; <[7 x i8]*> [#uses=1] |
| 12 | @fmt1 = constant [3 x i8] c"%s\00" ; <[3 x i8]*> [#uses=1] |
| 13 | @fmt2 = constant [3 x i8] c"%c\00" ; <[3 x i8]*> [#uses=1] |
| Reid Spencer | 82be985 | 2005-05-03 17:08:45 +0000 | [diff] [blame] | 14 | |
| Tanya Lattner | ceca194 | 2008-03-10 07:21:50 +0000 | [diff] [blame] | 15 | declare i32 @sprintf(i8*, i8*, ...) |
| Reid Spencer | 82be985 | 2005-05-03 17:08:45 +0000 | [diff] [blame] | 16 | |
| Tanya Lattner | ceca194 | 2008-03-10 07:21:50 +0000 | [diff] [blame] | 17 | declare i32 @puts(i8*) |
| 18 | |
| 19 | define i32 @foo(i8* %p) { |
| 20 | %target = alloca [1024 x i8] ; <[1024 x i8]*> [#uses=1] |
| 21 | %target_p = getelementptr [1024 x i8]* %target, i32 0, i32 0 ; <i8*> [#uses=7] |
| 22 | %hello_p = getelementptr [6 x i8]* @hello, i32 0, i32 0 ; <i8*> [#uses=2] |
| 23 | %null_p = getelementptr [1 x i8]* @null, i32 0, i32 0 ; <i8*> [#uses=1] |
| 24 | %nh_p = getelementptr [7 x i8]* @null_hello, i32 0, i32 0 ; <i8*> [#uses=1] |
| 25 | %fmt1_p = getelementptr [3 x i8]* @fmt1, i32 0, i32 0 ; <i8*> [#uses=2] |
| 26 | %fmt2_p = getelementptr [3 x i8]* @fmt2, i32 0, i32 0 ; <i8*> [#uses=1] |
| 27 | store i8 0, i8* %target_p |
| 28 | %r1 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %hello_p ) ; <i32> [#uses=1] |
| 29 | %r2 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %null_p ) ; <i32> [#uses=1] |
| 30 | %r3 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %nh_p ) ; <i32> [#uses=1] |
| 31 | %r4 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %fmt1_p, i8* %hello_p ) ; <i32> [#uses=1] |
| 32 | %r4.1 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %fmt1_p, i8* %p ) ; <i32> [#uses=1] |
| 33 | %r5 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %fmt2_p, i32 82 ) ; <i32> [#uses=1] |
| 34 | %r6 = add i32 %r1, %r2 ; <i32> [#uses=1] |
| 35 | %r7 = add i32 %r3, %r6 ; <i32> [#uses=1] |
| 36 | %r8 = add i32 %r5, %r7 ; <i32> [#uses=1] |
| 37 | %r9 = add i32 %r8, %r4 ; <i32> [#uses=1] |
| 38 | %r10 = add i32 %r9, %r4.1 ; <i32> [#uses=1] |
| 39 | ret i32 %r10 |
| Reid Spencer | 82be985 | 2005-05-03 17:08:45 +0000 | [diff] [blame] | 40 | } |