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c662bc71df
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21567 91177308-0d34-0410-b5e6-96231b3b80d8
22 lines
771 B
LLVM
22 lines
771 B
LLVM
; Test that the StrCatOptimizer works correctly
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; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*strlen'
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declare uint %strlen(sbyte*)
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%hello = constant [6 x sbyte] c"hello\00"
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%null = constant [1 x sbyte] c"\00"
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%null_hello = constant [7 x sbyte] c"\00hello\00"
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implementation ; Functions:
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int %main () {
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%hello_p = getelementptr [6 x sbyte]* %hello, int 0, int 0
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%hello_l = call uint %strlen(sbyte* %hello_p)
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%null_p = getelementptr [1 x sbyte]* %null, int 0, int 0
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%null_l = call uint %strlen(sbyte* %null_p)
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%null_hello_p = getelementptr [7 x sbyte]* %null_hello, int 0, int 0
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%null_hello_l = call uint %strlen(sbyte* %null_hello_p)
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%sum1 = add int %hello_l, %null_l
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%sum2 = add int %sum1, %null_hello_l
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ret int %sum2
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}
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