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11d48d6932
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
26 lines
644 B
LLVM
26 lines
644 B
LLVM
; This test checks to make sure that 'br X, Dest, Dest' is folded into
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; 'br Dest'. This can only happen after the 'Z' block is eliminated. This is
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; due to the fact that the SimplifyCFG function does not use
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; the ConstantFoldTerminator function.
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; RUN: llvm-upgrade < %s | llvm-as | opt -simplifycfg | llvm-dis | \
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; RUN: not grep {br bool %c2}
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declare void %noop()
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int %test(bool %c1, bool %c2) {
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call void %noop()
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br bool %c1, label %A, label %Y
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A:
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call void %noop()
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br bool %c2, label %Z, label %X ; Can be converted to unconditional br
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Z:
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br label %X
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X:
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call void %noop()
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ret int 0
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Y:
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call void %noop()
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br label %X
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}
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