xref: /llvm-project/llvm/test/Transforms/FunctionSpecialization/compiler-crash-promote-alloca.ll (revision e15d72adac66790a78a51a3087b56b2bde6b778a)
1; RUN: opt -S --passes="ipsccp<func-spec>" -force-specialization < %s | FileCheck %s
2
3; Tests that `bar` has been specialized and that the compiler did not crash
4; while attempting to promote the alloca in `entry`.
5; CHECK: bar.specialized.1
6
7@block = internal constant [8 x i8] zeroinitializer, align 1
8
9define dso_local void @entry() {
10  %1 = alloca i32, align 4
11  call void @foo(ptr nonnull %1)
12  ret void
13}
14
15define internal void @foo(ptr nocapture readnone %0) {
16  %2 = alloca i32, align 4
17  call void @bar(ptr nonnull %2, ptr nonnull @block)
18  call void @bar(ptr nonnull %2, ptr nonnull getelementptr inbounds ([8 x i8], ptr @block, i64 0, i64 4))
19  ret void
20}
21
22define internal void @bar(ptr nocapture readonly %0, ptr nocapture readonly %1) {
23  %3 = load i32, ptr %0, align 4
24  %4 = load i32, ptr %1, align 4
25  ret void
26}
27
28