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allow it to have multiple CFG edges to that block. This is needed to allow MachineBasicBlock::isOnlyReachableByFallthrough to work correctly. This fixes PR4126. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71018 91177308-0d34-0410-b5e6-96231b3b80d8
24 lines
591 B
LLVM
24 lines
591 B
LLVM
; RUN: llvm-as < %s | llc -march=x86-64 | grep BB1_1:
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; PR4126
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; Don't omit this label's definition.
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define void @bux(i32 %p_53) nounwind optsize {
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entry:
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%0 = icmp eq i32 %p_53, 0 ; <i1> [#uses=1]
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%1 = icmp sgt i32 %p_53, 0 ; <i1> [#uses=1]
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%or.cond = and i1 %0, %1 ; <i1> [#uses=1]
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br i1 %or.cond, label %bb.i, label %bb3
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bb.i: ; preds = %entry
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%2 = add i32 %p_53, 1 ; <i32> [#uses=1]
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%3 = icmp slt i32 %2, 0 ; <i1> [#uses=0]
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br label %bb3
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bb3: ; preds = %bb.i, %entry
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%4 = tail call i32 (...)* @baz(i32 0) nounwind ; <i32> [#uses=0]
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ret void
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}
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declare i32 @baz(...)
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