llvm-6502/test/Transforms/InstCombine/2008-06-08-ICmpPHI.ll
Dan Gohman f2f6ce65b7 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

48 lines
1.4 KiB
LLVM

; RUN: opt < %s -instcombine -S | grep {phi i32} | count 2
define void @test() nounwind {
entry:
br label %bb
bb: ; preds = %bb16, %entry
%i.0 = phi i32 [ 0, %entry ], [ %indvar.next, %somebb ] ; <i32> [#uses=1]
%x.0 = phi i32 [ 37, %entry ], [ %tmp17, %somebb ] ; <i32> [#uses=1]
%tmp = tail call i32 (...)* @bork( ) nounwind ; <i32> [#uses=0]
%tmp1 = tail call i32 (...)* @bork( ) nounwind ; <i32> [#uses=0]
%tmp2 = tail call i32 (...)* @bork( ) nounwind ; <i32> [#uses=1]
%tmp3 = icmp eq i32 %tmp2, 0 ; <i1> [#uses=1]
br i1 %tmp3, label %bb7, label %bb5
bb5: ; preds = %bb
%tmp6 = tail call i32 (...)* @bork( ) nounwind ; <i32> [#uses=0]
br label %bb7
bb7: ; preds = %bb5, %bb
%tmp8 = tail call i32 (...)* @bork( ) nounwind ; <i32> [#uses=0]
%tmp9 = tail call i32 (...)* @bork( ) nounwind ; <i32> [#uses=0]
%tmp11 = icmp eq i32 %x.0, 37 ; <i1> [#uses=1]
br i1 %tmp11, label %bb14, label %bb16
bb14: ; preds = %bb7
%tmp15 = tail call i32 (...)* @bar( ) nounwind ; <i32> [#uses=0]
br label %bb16
bb16: ; preds = %bb14, %bb7
%tmp17 = tail call i32 (...)* @zap( ) nounwind ; <i32> [#uses=1]
%indvar.next = add i32 %i.0, 1 ; <i32> [#uses=2]
%exitcond = icmp eq i32 %indvar.next, 42 ; <i1> [#uses=1]
br i1 %exitcond, label %return, label %somebb
somebb:
br label %bb
return: ; preds = %bb16
ret void
}
declare i32 @bork(...)
declare i32 @bar(...)
declare i32 @zap(...)