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llvm-mirror/test/Regression/Transforms/SimplifyLibCalls/StrChr.ll
2005-05-03 17:09:38 +00:00

22 lines
714 B
LLVM

; Test that the StrChrOptimizer works correctly
; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*%strchr'
declare sbyte* %strchr(sbyte*,int)
declare int %puts(sbyte*)
%hello = constant [14 x sbyte] c"hello world\n\00"
%null = constant [1 x sbyte] c"\00"
implementation ; Functions:
int %main () {
%hello_p = getelementptr [14 x sbyte]* %hello, int 0, int 0
%null_p = getelementptr [1 x sbyte]* %null, int 0, int 0
%world = call sbyte* %strchr(sbyte* %hello_p, int 119 )
%ignore = call sbyte* %strchr(sbyte* %null_p, int 119 )
%len = call int %puts(sbyte* %world)
%index = add int %len, 112
%result = call sbyte* %strchr(sbyte* %hello_p, int %index)
ret int %index
}