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; Test that the StrCatOptimizer works correctly
; RUN: llvm-upgrade < %s | llvm-as | opt -constprop -simplify-libcalls -disable-output &&
; RUN: llvm-upgrade < %s | llvm-as | opt -constprop -simplify-libcalls | llvm-dis | not grep 'call.*llvm.memcpy'
declare sbyte* %llvm.memcpy(sbyte*,sbyte*,int,int)
%h = constant [2 x sbyte] c"h\00"
%hel = constant [4 x sbyte] c"hel\00"
%hello_u = constant [8 x sbyte] c"hello_u\00"
implementation ; Functions:
int %main () {
%h_p = getelementptr [2 x sbyte]* %h, int 0, int 0
%hel_p = getelementptr [4 x sbyte]* %hel, int 0, int 0
%hello_u_p = getelementptr [8 x sbyte]* %hello_u, int 0, int 0
%target = alloca [1024 x sbyte]
%target_p = getelementptr [1024 x sbyte]* %target, int 0, int 0
call sbyte* %llvm.memcpy(sbyte* %target_p, sbyte* %h_p, int 2, int 2)
call sbyte* %llvm.memcpy(sbyte* %target_p, sbyte* %hel_p, int 4, int 4)
call sbyte* %llvm.memcpy(sbyte* %target_p, sbyte* %hello_u_p, int 8, int 8)
ret int 0
}
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