llvm-project/llvm/test/Transforms/LoopRotate/PhiSelfReference-1.ll

40 lines
889 B
LLVM

; RUN: opt < %s -loop-rotate -verify-dom-info -verify-loop-info -disable-output
; ModuleID = 'PhiSelfReference-1.bc'
define void @snrm2(i32 %incx) {
entry:
br i1 false, label %START, label %return
START: ; preds = %entry
br i1 false, label %bb85, label %cond_false93
bb52: ; preds = %bb85
br i1 false, label %bb307, label %cond_next71
cond_next71: ; preds = %bb52
ret void
bb85: ; preds = %START
br i1 false, label %bb52, label %bb88
bb88: ; preds = %bb85
ret void
cond_false93: ; preds = %START
ret void
bb243: ; preds = %bb307
br label %bb307
bb307: ; preds = %bb243, %bb52
%sx_addr.2.pn = phi float* [ %sx_addr.5, %bb243 ], [ null, %bb52 ] ; <float*> [#uses=1]
%sx_addr.5 = getelementptr float* %sx_addr.2.pn, i32 %incx ; <float*> [#uses=1]
br i1 false, label %bb243, label %bb310
bb310: ; preds = %bb307
ret void
return: ; preds = %entry
ret void
}