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llvm-mirror/test/Transforms/TailDup/2008-06-11-AvoidDupLoopHeader.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

28 lines
787 B
LLVM

; RUN: opt < %s -tailduplicate -taildup-threshold=3 -stats -disable-output | not grep tailduplicate
; XFAIL: *
define i32 @foo(i32 %l) nounwind {
entry:
%cond = icmp eq i32 %l, 1 ; <i1> [#uses=1]
br i1 %cond, label %bb, label %bb9
bb: ; preds = %entry
br label %bb9
bb5: ; preds = %bb9
%tmp7 = call i32 (...)* @bar( i32 %x.0 ) nounwind ; <i32> [#uses=1]
br label %bb9
bb9: ; preds = %bb5, %bb, %entry
%x.0 = phi i32 [ 0, %entry ], [ %tmp7, %bb5 ], [ 1525, %bb ] ; <i32> [#uses=2]
%l_addr.0 = phi i32 [ %l, %entry ], [ %tmp11, %bb5 ], [ %l, %bb ] ; <i32> [#uses=1]
%tmp11 = add i32 %l_addr.0, -1 ; <i32> [#uses=2]
%tmp13 = icmp eq i32 %tmp11, -1 ; <i1> [#uses=1]
br i1 %tmp13, label %bb15, label %bb5
bb15: ; preds = %bb9
ret i32 %x.0
}
declare i32 @bar(...)