llvm-6502/test/Transforms/SimplifyCFG/PhiNoEliminate.ll
Reid Spencer 9aafdcf20d For PR1319:
Upgrade to use new Tcl exec based test harness. This exposes 3 bugs that
were previously not being reported:
test/Transforms/GlobalDCE/2002-08-17-FunctionDGE.ll
test/Transforms/GlobalOpt/memset.ll
test/Transforms/IndVarsSimplify/exit_value_tests.llx


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36065 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-15 09:21:47 +00:00

31 lines
739 B
LLVM

; RUN: llvm-upgrade < %s | llvm-as | opt -simplifycfg | llvm-dis | \
; RUN: not grep select
;; The PHI node in this example should not be turned into a select, as we are
;; not able to ifcvt the entire block. As such, converting to a select just
;; introduces inefficiency without saving copies.
int %bar(bool %C) {
entry:
br bool %C, label %then, label %endif
then:
%tmp.3 = call int %qux()
br label %endif
endif:
%R = phi int [123, %entry], [12312, %then]
;; stuff to disable tail duplication
call int %qux()
call int %qux()
call int %qux()
call int %qux()
call int %qux()
call int %qux()
call int %qux()
ret int %R
}
declare int %qux()