blob: e8fb8f1087cce987a6c68a02d52a272ddcb0814c [file] [log] [blame]
; RUN: opt < %s -passes=gvn -S | FileCheck %s
@last = external global [65 x ptr]
define i32 @NextRootMove(i32 %wtm, i32 %x, i32 %y, i32 %z) {
entry:
%A = alloca ptr
%tmp17618 = load ptr, ptr getelementptr ([65 x ptr], ptr @last, i32 0, i32 1), align 4
store ptr %tmp17618, ptr %A
; CHECK: entry:
; CHECK-NEXT: alloca ptr
; CHECK-NEXT: %tmp17618 = load
; CHECK-NOT: load
; CHECK-NOT: phi
br label %cond_true116
cond_true116:
%cmp = icmp eq i32 %x, %y
br i1 %cmp, label %cond_true128, label %cond_true145
cond_true128:
%tmp17625 = load ptr, ptr getelementptr ([65 x ptr], ptr @last, i32 0, i32 1), align 4
store ptr %tmp17625, ptr %A
%cmp1 = icmp eq i32 %x, %z
br i1 %cmp1 , label %bb98.backedge, label %return.loopexit
bb98.backedge:
br label %cond_true116
cond_true145:
%tmp17631 = load ptr, ptr getelementptr ([65 x ptr], ptr @last, i32 0, i32 1), align 4
store ptr %tmp17631, ptr %A
br i1 false, label %bb98.backedge, label %return.loopexit
return.loopexit:
br label %return
return:
ret i32 0
}