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Add a test case for StrChrOptimizer for -simplify-libcalls

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21668 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2005-05-03 06:22:41 +00:00
parent e7d52b6b5c
commit 34efdf8b38
2 changed files with 25 additions and 6 deletions
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12
test/Transforms/SimplifyLibCalls/MemSet.ll
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@ -1,17 +1,17 @@
; Test that the LLVMMemSetOptimizer works correctly
; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*llvm.memset'
declare sbyte* %llvm.memset(sbyte*,ubyte,uint,uint)
declare void %llvm.memset(sbyte*,ubyte,uint,uint)
implementation ; Functions:
int %main () {
%target = alloca [1024 x sbyte]
%target_p = getelementptr [1024 x sbyte]* %target, int 0, int 0
call sbyte* %llvm.memset(sbyte* %target_p, ubyte 1, uint 0, uint 1)
call sbyte* %llvm.memset(sbyte* %target_p, ubyte 1, uint 1, uint 1)
call sbyte* %llvm.memset(sbyte* %target_p, ubyte 1, uint 2, uint 2)
call sbyte* %llvm.memset(sbyte* %target_p, ubyte 1, uint 4, uint 4)
call sbyte* %llvm.memset(sbyte* %target_p, ubyte 1, uint 8, uint 8)
call void %llvm.memset(sbyte* %target_p, ubyte 1, uint 0, uint 1)
call void %llvm.memset(sbyte* %target_p, ubyte 1, uint 1, uint 1)
call void %llvm.memset(sbyte* %target_p, ubyte 1, uint 2, uint 2)
call void %llvm.memset(sbyte* %target_p, ubyte 1, uint 4, uint 4)
call void %llvm.memset(sbyte* %target_p, ubyte 1, uint 8, uint 8)
ret int 0
}

19
test/Transforms/SimplifyLibCalls/StrChr.ll Normal file
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@ -0,0 +1,19 @@
; Test that the StrChrOptimizer works correctly
; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*strchr'
declare sbyte* %strchr(sbyte*,int)
declare int %puts(sbyte*)
%hello = constant [14 x sbyte] c"hello world\n\00"
%null = constant [1 x sbyte] c"\00"
implementation ; Functions:
int %main () {
%hello_p = getelementptr [14 x sbyte]* %hello, int 0, int 0
%null_p = getelementptr [1 x sbyte]* %null, int 0, int 0
%world = call sbyte* %strchr(sbyte* %hello_p, int 119 )
%ignore = call sbyte* %strchr(sbyte* %null_p, int 119 )
%result = call int %puts(sbyte* %world)
ret int %result
}