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llvm-mirror/test/Transforms/SimplifyLibCalls/SPrintF.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

41 lines
2.0 KiB
LLVM

; Test that the SPrintFOptimizer works correctly
; RUN: opt < %s -simplify-libcalls -S | \
; RUN: not grep {call.*sprintf}
; This transformation requires the pointer size, as it assumes that size_t is
; the size of a pointer.
target datalayout = "-p:64:64:64"
@hello = constant [6 x i8] c"hello\00" ; <[6 x i8]*> [#uses=1]
@null = constant [1 x i8] zeroinitializer ; <[1 x i8]*> [#uses=1]
@null_hello = constant [7 x i8] c"\00hello\00" ; <[7 x i8]*> [#uses=1]
@fmt1 = constant [3 x i8] c"%s\00" ; <[3 x i8]*> [#uses=1]
@fmt2 = constant [3 x i8] c"%c\00" ; <[3 x i8]*> [#uses=1]
declare i32 @sprintf(i8*, i8*, ...)
declare i32 @puts(i8*)
define i32 @foo(i8* %p) {
%target = alloca [1024 x i8] ; <[1024 x i8]*> [#uses=1]
%target_p = getelementptr [1024 x i8]* %target, i32 0, i32 0 ; <i8*> [#uses=7]
%hello_p = getelementptr [6 x i8]* @hello, i32 0, i32 0 ; <i8*> [#uses=2]
%null_p = getelementptr [1 x i8]* @null, i32 0, i32 0 ; <i8*> [#uses=1]
%nh_p = getelementptr [7 x i8]* @null_hello, i32 0, i32 0 ; <i8*> [#uses=1]
%fmt1_p = getelementptr [3 x i8]* @fmt1, i32 0, i32 0 ; <i8*> [#uses=2]
%fmt2_p = getelementptr [3 x i8]* @fmt2, i32 0, i32 0 ; <i8*> [#uses=1]
store i8 0, i8* %target_p
%r1 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %hello_p ) ; <i32> [#uses=1]
%r2 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %null_p ) ; <i32> [#uses=1]
%r3 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %nh_p ) ; <i32> [#uses=1]
%r4 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %fmt1_p, i8* %hello_p ) ; <i32> [#uses=1]
%r4.1 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %fmt1_p, i8* %p ) ; <i32> [#uses=1]
%r5 = call i32 (i8*, i8*, ...)* @sprintf( i8* %target_p, i8* %fmt2_p, i32 82 ) ; <i32> [#uses=1]
%r6 = add i32 %r1, %r2 ; <i32> [#uses=1]
%r7 = add i32 %r3, %r6 ; <i32> [#uses=1]
%r8 = add i32 %r5, %r7 ; <i32> [#uses=1]
%r9 = add i32 %r8, %r4 ; <i32> [#uses=1]
%r10 = add i32 %r9, %r4.1 ; <i32> [#uses=1]
ret i32 %r10
}