llvm-6502/test/Transforms/SimplifyLibCalls/MemMove.ll
Reid Spencer 7b7adcffa7 Add a test case for MemMove.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21568 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-26 19:05:51 +00:00

22 lines
870 B
LLVM

; Test that the StrCatOptimizer works correctly
; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*llvm.memmove'
declare sbyte* %llvm.memmove(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.memmove(sbyte* %target_p, sbyte* %h_p, int 2, int 2)
call sbyte* %llvm.memmove(sbyte* %target_p, sbyte* %hel_p, int 4, int 4)
call sbyte* %llvm.memmove(sbyte* %target_p, sbyte* %hello_u_p, int 8, int 8)
ret int 0
}