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llvm-mirror/test/Transforms/SimplifyCFG/2003-08-17-BranchFold.ll
Reid Spencer 11d48d6932 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

llvm-svn: 36065
2007-04-15 09:21:47 +00:00

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460 B
LLVM

; This test checks to make sure that 'br X, Dest, Dest' is folded into
; 'br Dest'
; RUN: llvm-upgrade < %s | llvm-as | opt -simplifycfg | llvm-dis | \
; RUN: not grep {br bool %c2}
declare void %noop()
int %test(bool %c1, bool %c2) {
call void %noop()
br bool %c1, label %A, label %Y
A:
call void %noop()
br bool %c2, label %X, label %X ; Can be converted to unconditional br
X:
call void %noop()
ret int 0
Y:
call void %noop()
br label %X
}