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Add a test case for the puts libcall optimization. 

llvm-svn: 21616
This commit is contained in:
Reid Spencer 2005-04-29 07:19:00 +00:00
parent 2645640325
commit fc4cf1d435
1 changed files with 16 additions and 0 deletions
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16
llvm/test/Regression/Transforms/SimplifyLibCalls/Puts.ll Normal file
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; Test that the StrCatOptimizer works correctly
; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*fputc'
%struct._IO_FILE = type { int, sbyte*, sbyte*, sbyte*, sbyte*, sbyte*, sbyte*, sbyte*, sbyte*, sbyte*, sbyte*, sbyte*, %struct._IO_marker*, %struct._IO_FILE*, int, int, int, ushort, sbyte, [1 x sbyte], sbyte*, long, sbyte*, sbyte*, int, [52 x sbyte] }
%struct._IO_marker = type { %struct._IO_marker*, %struct._IO_FILE*, int }
%stdout = external global %struct._IO_FILE* ; <%struct._IO_FILE**> [#uses=1]
implementation ; Functions:
declare int %fputc(int, %struct._IO_FILE*)
int %main() {
entry:
%tmp.1 = load %struct._IO_FILE** %stdout ; <%struct._IO_FILE*> [#uses=1]
%tmp.0 = call int %fputc( int 61, %struct._IO_FILE* %tmp.1 ) ; <int> [#uses=0]
ret int 0
}