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