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; Test that the StrCatOptimizer works correctly
; RUN: llvm-upgrade < %s | llvm-as | opt -simplify-libcalls | llvm-dis | not grep 'call.*strlen'
declare uint %strlen(sbyte*)
%hello = constant [6 x sbyte] c"hello\00"
%null = constant [1 x sbyte] c"\00"
%null_hello = constant [7 x sbyte] c"\00hello\00"
implementation ; Functions:
uint %test1() {
%hello_p = getelementptr [6 x sbyte]* %hello, int 0, int 0
%hello_l = call uint %strlen(sbyte* %hello_p)
ret uint %hello_l
}
uint %test2() {
%null_p = getelementptr [1 x sbyte]* %null, int 0, int 0
%null_l = call uint %strlen(sbyte* %null_p)
ret uint %null_l
}
uint %test3() {
%null_hello_p = getelementptr [7 x sbyte]* %null_hello, int 0, int 0
%null_hello_l = call uint %strlen(sbyte* %null_hello_p)
ret uint %null_hello_l
}
bool %test4() {
%hello_p = getelementptr [6 x sbyte]* %hello, int 0, int 0
%hello_l = call uint %strlen(sbyte* %hello_p)
%eq_hello = seteq uint %hello_l, 0
ret bool %eq_hello
}
bool %test5() {
%null_p = getelementptr [1 x sbyte]* %null, int 0, int 0
%null_l = call uint %strlen(sbyte* %null_p)
%eq_null = seteq uint %null_l, 0
ret bool %eq_null
}
bool %test6() {
%hello_p = getelementptr [6 x sbyte]* %hello, int 0, int 0
%hello_l = call uint %strlen(sbyte* %hello_p)
%ne_hello = setne uint %hello_l, 0
ret bool %ne_hello
}
bool %test7() {
%null_p = getelementptr [1 x sbyte]* %null, int 0, int 0
%null_l = call uint %strlen(sbyte* %null_p)
%ne_null = setne uint %null_l, 0
ret bool %ne_null
}
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