llvm-for-llvmta/test/Transforms/InstCombine/2007-02-23-PhiFoldInfLoop.ll

32 lines
833 B
LLVM

; RUN: opt < %s -instcombine -S | grep ret
; PR1217
target datalayout = "e-p:32:32"
target triple = "i686-pc-linux-gnu"
%struct.termbox = type { %struct.termbox*, i32, i32, i32, i32, i32 }
define void @ggenorien() {
entry:
%tmp68 = icmp eq %struct.termbox* null, null ; <i1> [#uses=1]
br i1 %tmp68, label %cond_next448, label %bb80
bb80: ; preds = %entry
ret void
cond_next448: ; preds = %entry
br i1 false, label %bb756, label %bb595
bb595: ; preds = %cond_next448
br label %bb609
bb609: ; preds = %bb756, %bb595
%termnum.6240.0 = phi i32 [ 2, %bb595 ], [ %termnum.6, %bb756 ] ; <i32> [#uses=1]
%tmp755 = add i32 %termnum.6240.0, 1 ; <i32> [#uses=1]
br label %bb756
bb756: ; preds = %bb609, %cond_next448
%termnum.6 = phi i32 [ %tmp755, %bb609 ], [ 2, %cond_next448 ] ; <i32> [#uses=1]
br label %bb609
}