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1; RUN: opt -passes=metarenamer -S < %s | FileCheck %s2 3define void @opcodes(ptr %p, ptr %arr) {4; CHECK-LABEL: bb:5; CHECK: %load = load i32, ptr %arg, align 46; CHECK: br label %bb27; CHECK-LABEL: bb2: ; preds = %bb5, %bb8; CHECK: %phi = phi i32 [ %load, %bb ], [ %sub, %bb5 ]9; CHECK: %icmp = icmp eq i32 %phi, 010; CHECK: br i1 %icmp, label %bb8, label %bb311; CHECK-LABEL: bb3: ; preds = %bb212; CHECK: %sub = sub i32 %phi, 113; CHECK: %icmp4 = icmp ult i32 %sub, %load14; CHECK: br i1 %icmp4, label %bb5, label %bb915; CHECK-LABEL: bb5: ; preds = %bb316; CHECK: %getelementptr = getelementptr i32, ptr %arg, i32 %phi17; CHECK: %load6 = load i32, ptr %getelementptr, align 418; CHECK: %icmp7 = icmp eq i32 %load6, 019; CHECK: br i1 %icmp7, label %bb2, label %bb820preheader:21 %len = load i32, ptr %p22 br label %loop23 24loop:25 %iv = phi i32 [%len, %preheader], [%iv.next, %backedge]26 %zero_cond = icmp eq i32 %iv, 027 br i1 %zero_cond, label %exit, label %range_check_block28 29range_check_block:30 %iv.next = sub i32 %iv, 131 %range_check = icmp ult i32 %iv.next, %len32 br i1 %range_check, label %backedge, label %fail33 34backedge:35 %el.ptr = getelementptr i32, ptr %p, i32 %iv36 %el = load i32, ptr %el.ptr37 %loop.cond = icmp eq i32 %el, 038 br i1 %loop.cond, label %loop, label %exit39 40exit:41 ret void42 43fail:44 unreachable45}46