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; RUN: opt -S -passes=correlated-propagation -debug-only=lazy-value-info <%s 2>&1 | FileCheck %s
; REQUIRES: asserts
;
; Shortcut in Correlated Value Propagation ensures not to take Lazy Value Info
; analysis for %a.i and %tmp because %a.i is defined by alloca and %tmp is
; defined by alloca + bitcast. We know the ret value of alloca is nonnull.
;
; CHECK-NOT: LVI Getting edge value %a.i = alloca i64, align 8 at 'for.body'
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@.str = private unnamed_addr constant [8 x i8] c"a = %l\0A\00", align 1
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0(i64, ptr nocapture)
declare void @hoo(ptr)
declare i32 @printf(ptr nocapture readonly, ...)
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0(i64, ptr nocapture)
define void @goo(i32 %N, ptr %b) {
entry:
%a.i = alloca i64, align 8
br label %for.cond
for.cond: ; preds = %for.body, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%cmp = icmp slt i32 %i.0, %N
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
call void @llvm.lifetime.start.p0(i64 8, ptr %a.i)
call void @hoo(ptr %a.i)
call void @hoo(ptr %b)
%tmp1 = load volatile i64, ptr %a.i, align 8
%call.i = call i32 (ptr, ...) @printf(ptr @.str, i64 %tmp1)
call void @llvm.lifetime.end.p0(i64 8, ptr %a.i)
%inc = add nsw i32 %i.0, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
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