xref: /llvm-project/llvm/test/Transforms/Inline/cfg_preserve_test.ll (revision e5369823bc0655806469724335d0ca5a4c17d8c7) 
1; This test ensures that inlining an "empty" function does not destroy the CFG
2;
3; RUN: opt < %s -passes=inline -S | FileCheck %s
4
5define i32 @func(i32 %i) {
6  ret i32 %i
7}
8
9
10define i32 @main() {
11; CHECK-LABEL: define i32 @main()
12entry:
13  %X = call i32 @func(i32 7)
14; CHECK-NOT: call
15; CHECK-NOT: br
16
17  ret i32 %X
18; CHECK: ret i32 7
19}
20
21