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llvm-mirror/test/CodeGen/X86/omit-label.ll
Dan Gohman 5e839321f2 If a MachineBasicBlock has multiple ways of reaching another block,
allow it to have multiple CFG edges to that block. This is needed
to allow MachineBasicBlock::isOnlyReachableByFallthrough to work
correctly. This fixes PR4126.

llvm-svn: 71018
2009-05-05 21:10:19 +00:00

24 lines
591 B
LLVM

; RUN: llvm-as < %s | llc -march=x86-64 | grep BB1_1:
; PR4126
; Don't omit this label's definition.
define void @bux(i32 %p_53) nounwind optsize {
entry:
%0 = icmp eq i32 %p_53, 0 ; <i1> [#uses=1]
%1 = icmp sgt i32 %p_53, 0 ; <i1> [#uses=1]
%or.cond = and i1 %0, %1 ; <i1> [#uses=1]
br i1 %or.cond, label %bb.i, label %bb3
bb.i: ; preds = %entry
%2 = add i32 %p_53, 1 ; <i32> [#uses=1]
%3 = icmp slt i32 %2, 0 ; <i1> [#uses=0]
br label %bb3
bb3: ; preds = %bb.i, %entry
%4 = tail call i32 (...)* @baz(i32 0) nounwind ; <i32> [#uses=0]
ret void
}
declare i32 @baz(...)