-; Test that the PutsCatOptimizer works correctly
-; RUN: opt %s -simplify-libcalls | llvm-dis | \
-; RUN: not grep {call.*fputs}
+; Test that the PutsOptimizer works correctly
+; RUN: opt < %s -simplify-libcalls -S | FileCheck %s
-; This transformation requires the pointer size, as it assumes that size_t is
-; the size of a pointer.
target datalayout = "-p:64:64:64"
- %struct._IO_FILE = type { i32, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, %struct._IO_marker*, %struct._IO_FILE*, i32, i32, i32, i16, i8, [1 x i8], i8*, i64, i8*, i8*, i32, [52 x i8] }
- %struct._IO_marker = type { %struct._IO_marker*, %struct._IO_FILE*, i32 }
-@stdout = external global %struct._IO_FILE* ; <%struct._IO_FILE**> [#uses=1]
-@empty = constant [1 x i8] zeroinitializer ; <[1 x i8]*> [#uses=1]
-@len1 = constant [2 x i8] c"A\00" ; <[2 x i8]*> [#uses=1]
-@long = constant [7 x i8] c"hello\0A\00" ; <[7 x i8]*> [#uses=1]
+@.str = private constant [1 x i8] zeroinitializer
-declare i32 @fputs(i8*, %struct._IO_FILE*)
+declare i32 @puts(i8*)
-define i32 @main() {
+define void @foo() {
entry:
- %out = load %struct._IO_FILE** @stdout ; <%struct._IO_FILE*> [#uses=3]
- %s1 = getelementptr [1 x i8]* @empty, i32 0, i32 0 ; <i8*> [#uses=1]
- %s2 = getelementptr [2 x i8]* @len1, i32 0, i32 0 ; <i8*> [#uses=1]
- %s3 = getelementptr [7 x i8]* @long, i32 0, i32 0 ; <i8*> [#uses=1]
- %a = call i32 @fputs( i8* %s1, %struct._IO_FILE* %out ) ; <i32> [#uses=0]
- %b = call i32 @fputs( i8* %s2, %struct._IO_FILE* %out ) ; <i32> [#uses=0]
- %c = call i32 @fputs( i8* %s3, %struct._IO_FILE* %out ) ; <i32> [#uses=0]
- ret i32 0
+; CHECK: call i32 @putchar(i32 10)
+ %call = call i32 @puts(i8* getelementptr inbounds ([1 x i8]* @.str, i32 0, i32 0))
+ ret void
}
-