1; RUN: opt -S -passes=correlated-propagation -debug-only=lazy-value-info <%s 2>&1 | FileCheck %s 2; REQUIRES: asserts 3; 4; Shortcut in Correlated Value Propagation ensures not to take Lazy Value Info 5; analysis for %a.i and %tmp because %a.i is defined by alloca and %tmp is 6; defined by alloca + bitcast. We know the ret value of alloca is nonnull. 7; 8; CHECK-NOT: LVI Getting edge value %a.i = alloca i64, align 8 at 'for.body' 9target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 10target triple = "x86_64-unknown-linux-gnu" 11 12@.str = private unnamed_addr constant [8 x i8] c"a = %l\0A\00", align 1 13 14; Function Attrs: argmemonly nounwind 15declare void @llvm.lifetime.start.p0(i64, ptr nocapture) 16 17declare void @hoo(ptr) 18 19declare i32 @printf(ptr nocapture readonly, ...) 20 21; Function Attrs: argmemonly nounwind 22declare void @llvm.lifetime.end.p0(i64, ptr nocapture) 23 24define void @goo(i32 %N, ptr %b) { 25entry: 26 %a.i = alloca i64, align 8 27 br label %for.cond 28 29for.cond: ; preds = %for.body, %entry 30 %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ] 31 %cmp = icmp slt i32 %i.0, %N 32 br i1 %cmp, label %for.body, label %for.end 33 34for.body: ; preds = %for.cond 35 call void @llvm.lifetime.start.p0(i64 8, ptr %a.i) 36 call void @hoo(ptr %a.i) 37 call void @hoo(ptr %b) 38 %tmp1 = load volatile i64, ptr %a.i, align 8 39 %call.i = call i32 (ptr, ...) @printf(ptr @.str, i64 %tmp1) 40 call void @llvm.lifetime.end.p0(i64 8, ptr %a.i) 41 %inc = add nsw i32 %i.0, 1 42 br label %for.cond 43 44for.end: ; preds = %for.cond 45 ret void 46} 47