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https://github.com/c64scene-ar/llvm-6502.git
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5ae21fb23a
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49971 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
785 B
LLVM
31 lines
785 B
LLVM
; RUN: llvm-as < %s | opt -globalopt | llvm-dis | \
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; RUN: grep {call void @Actual}
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; Check that a comparison does not prevent an indirect call from being made
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; direct. The global will still remain, but indirect call elim is still good.
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@G = internal global void ()* null ; <void ()**> [#uses=2]
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define internal void @Actual() {
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ret void
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}
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define void @init() {
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store void ()* @Actual, void ()** @G
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ret void
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}
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define void @doit() {
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%FP = load void ()** @G ; <void ()*> [#uses=2]
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%CC = icmp eq void ()* %FP, null ; <i1> [#uses=1]
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br i1 %CC, label %isNull, label %DoCall
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DoCall: ; preds = %0
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call void %FP( )
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ret void
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isNull: ; preds = %0
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ret void
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}
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