xref: /llvm-project/llvm/test/Transforms/Inline/inline-assume.ll (revision 555f384c2953a59df063adde359a04ccc5815d41) 
1; RUN: opt -passes=inline -S -o - < %s | FileCheck %s
2; RUN: opt -passes='cgscc(inline)' -S < %s | FileCheck %s
3; RUN: opt -passes='module-inline' -S < %s | FileCheck %s
4
5%0 = type opaque
6%struct.Foo = type { i32, ptr }
7
8; Test that we don't crash when inlining @bar (rdar://22521387).
9define void @foo(i1 %c, ptr align 4 %a) {
10entry:
11  call fastcc void @bar(i1 %c, ptr nonnull align 4 undef)
12
13; CHECK: call void @llvm.assume(i1 undef)
14; CHECK: unreachable
15
16  ret void
17}
18
19define fastcc void @bar(i1 %c, ptr align 4 %a) {
20; CHECK-LABEL: @bar
21entry:
22  %b = getelementptr inbounds %struct.Foo, ptr %a, i32 0, i32 1
23  br i1 %c, label %if.end, label %if.then.i.i
24
25if.then.i.i:
26  call void @llvm.assume(i1 undef)
27  unreachable
28
29if.end:
30  ret void
31}
32
33declare void @llvm.assume(i1)
34