1; RUN: opt -S -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' 9; CHECK-NOT: LVI Getting edge value %tmp = bitcast i64* %a.i to i8* from 'for.cond' to 'for.body' 10target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 11target triple = "x86_64-unknown-linux-gnu" 12 13@.str = private unnamed_addr constant [8 x i8] c"a = %l\0A\00", align 1 14 15; Function Attrs: argmemonly nounwind 16declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) 17 18declare void @hoo(i64*) 19 20declare i32 @printf(i8* nocapture readonly, ...) 21 22; Function Attrs: argmemonly nounwind 23declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) 24 25define void @goo(i32 %N, i64* %b) { 26entry: 27 %a.i = alloca i64, align 8 28 %tmp = bitcast i64* %a.i to i8* 29 %c = getelementptr inbounds i64, i64* %b, i64 0 30 br label %for.cond 31 32for.cond: ; preds = %for.body, %entry 33 %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ] 34 %cmp = icmp slt i32 %i.0, %N 35 br i1 %cmp, label %for.body, label %for.end 36 37for.body: ; preds = %for.cond 38 call void @llvm.lifetime.start.p0i8(i64 8, i8* %tmp) 39 call void @hoo(i64* %a.i) 40 call void @hoo(i64* %c) 41 %tmp1 = load volatile i64, i64* %a.i, align 8 42 %call.i = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i64 %tmp1) 43 call void @llvm.lifetime.end.p0i8(i64 8, i8* %tmp) 44 %inc = add nsw i32 %i.0, 1 45 br label %for.cond 46 47for.end: ; preds = %for.cond 48 ret void 49} 50