process_store.ll
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; RUN: opt < %s -memcpyopt -disable-output
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@b = common dso_local local_unnamed_addr global i32 0, align 4
@a = common dso_local local_unnamed_addr global i32 0, align 4
declare dso_local i32 @f1()
; Do not crash due to store first in BB.
define dso_local void @f2() {
for.end:
%0 = load i32, i32* @b, align 4
ret void
for.body:
store i32 %1, i32* @a, align 4
%call = call i32 @f1()
%cmp = icmp sge i32 %call, 0
%1 = load i32, i32* @b, align 4
br label %for.body
}
; Do not crash due to call not before store in BB.
define dso_local void @f3() {
for.end:
%0 = load i32, i32* @b, align 4
ret void
for.body:
%t = add i32 %t2, 1
store i32 %1, i32* @a, align 4
%call = call i32 @f1()
%cmp = icmp sge i32 %call, 0
%1 = load i32, i32* @b, align 4
%t2 = xor i32 %t, 5
br label %for.body
}