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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36811 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-05-05 22:44:08 +00:00
parent 86c7745fb4
commit f110a2bdb6
1 changed files with 25 additions and 0 deletions
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25
lib/Target/README.txt
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@ -424,3 +424,28 @@ return:
[ %tmp.9, %then.1 ]
ret int %result.0
}
//===---------------------------------------------------------------------===//
Argument promotion should promote arguments for recursive functions, like
this:
; RUN: llvm-upgrade < %s | llvm-as | opt -argpromotion | llvm-dis | grep x.val
implementation ; Functions:
internal int %foo(int* %x) {
entry:
%tmp = load int* %x
%tmp.foo = call int %foo(int *%x)
ret int %tmp.foo
}
int %bar(int* %x) {
entry:
%tmp3 = call int %foo( int* %x) ; <int>[#uses=1]
ret int %tmp3
}