llvm-project/llvm/test/Analysis/Dominators/2006-10-02-BreakCritEdges.ll

21 lines
496 B
LLVM
Raw Normal View History

; RUN: opt < %s -domtree -break-crit-edges -analyze \
; RUN: -domtree | grep {3.*%brtrue }
2006-10-03 15:00:13 +08:00
; PR932
2008-02-14 14:56:27 +08:00
declare void @use1(i32)
2006-10-03 15:00:13 +08:00
2008-02-14 14:56:27 +08:00
define void @f(i32 %i, i1 %c) {
2006-10-03 15:00:13 +08:00
entry:
2008-02-14 14:56:27 +08:00
%A = icmp eq i32 %i, 0 ; <i1> [#uses=1]
br i1 %A, label %brtrue, label %brfalse
2006-10-03 15:00:13 +08:00
brtrue: ; preds = %brtrue, %entry
2008-02-14 14:56:27 +08:00
%B = phi i1 [ true, %brtrue ], [ false, %entry ] ; <i1> [#uses=1]
call void @use1( i32 %i )
br i1 %B, label %brtrue, label %brfalse
2006-10-03 15:00:13 +08:00
brfalse: ; preds = %brtrue, %entry
2008-02-14 14:56:27 +08:00
call void @use1( i32 %i )
2006-10-03 15:00:13 +08:00
ret void
}