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llvm-6502/test/Transforms/SimplifyLibCalls/StrCat.ll
Reid Spencer 8fe86dde1c * Add a test case for StrLenOptimization
* Rename ExitInMain and StrCat tests so they don't have the date the
  regression was entered since they are feature tests, not regressions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21558 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-26 05:22:38 +00:00

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LLVM

; Test that the StrCatOptimizer works correctly
; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*strcat'
declare sbyte* %strcat(sbyte*,sbyte*)
declare int %puts(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:
int %main () {
%target = alloca [1024 x sbyte]
%arg1 = getelementptr [1024 x sbyte]* %target, int 0, int 0
store sbyte 0, sbyte* %arg1
%arg2 = getelementptr [6 x sbyte]* %hello, int 0, int 0
%rslt1 = call sbyte* %strcat(sbyte* %arg1, sbyte* %arg2)
%arg3 = getelementptr [1 x sbyte]* %null, int 0, int 0
%rslt2 = call sbyte* %strcat(sbyte* %rslt1, sbyte* %arg3)
%arg4 = getelementptr [7 x sbyte]* %null_hello, int 0, int 0
%rslt3 = call sbyte* %strcat(sbyte* %rslt2, sbyte* %arg4)
call int %puts(sbyte* %rslt3)
ret int 0
}