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move PR6576 here.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98194 91177308-0d34-0410-b5e6-96231b3b80d8
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Chris Lattner 2010-03-10 21:42:42 +00:00
parent 97d7b1007a
commit 6663670359
1 changed files with 24 additions and 0 deletions
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24
lib/Target/README.txt
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@ -1819,3 +1819,27 @@ int test2(int mainType, int subType) {
} }
//===---------------------------------------------------------------------===// //===---------------------------------------------------------------------===//
The following test case (from PR6576):
define i32 @mul(i32 %a, i32 %b) nounwind readnone {
entry:
%cond1 = icmp eq i32 %b, 0 ; <i1> [#uses=1]
br i1 %cond1, label %exit, label %bb.nph
bb.nph: ; preds = %entry
%tmp = mul i32 %b, %a ; <i32> [#uses=1]
ret i32 %tmp
exit: ; preds = %entry
ret i32 0
}
could be reduced to:
define i32 @mul(i32 %a, i32 %b) nounwind readnone {
entry:
%tmp = mul i32 %b, %a
ret i32 %tmp
}
//===---------------------------------------------------------------------===//