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

23 lines
653 B
LLVM

; RUN: opt < %s -domtree -break-crit-edges -analyze -domtree -enable-new-pm=0 | FileCheck %s
; RUN: opt < %s -passes='require<domtree>,break-crit-edges,print<domtree>' -disable-output 2>&1| FileCheck %s
; PR932
; CHECK: [3] %brtrue {{{[0-9]+}},{{[0-9]+}}}
declare void @use1(i32)
define void @f(i32 %i, i1 %c) {
entry:
%A = icmp eq i32 %i, 0 ; <i1> [#uses=1]
br i1 %A, label %brtrue, label %brfalse
brtrue: ; preds = %brtrue, %entry
%B = phi i1 [ true, %brtrue ], [ false, %entry ] ; <i1> [#uses=1]
call void @use1( i32 %i )
br i1 %B, label %brtrue, label %brfalse
brfalse: ; preds = %brtrue, %entry
call void @use1( i32 %i )
ret void
}