xref: /llvm-project/llvm/test/Transforms/CodeExtractor/PartialInlineNoInline.ll (revision bbbbbfbdcb1ab1ba9857138dfa0f2355da8e4499)
1; RUN: opt < %s -passes=partial-inliner -S -stats -pass-remarks=partial-inlining 2>&1 | FileCheck %s
2
3@stat = external global i32, align 4
4
5define i32 @inline_fail(i32 %count, ...) {
6entry:
7  %vargs = alloca ptr, align 8
8  call void @llvm.va_start(ptr %vargs)
9  %stat1 = load i32, ptr @stat, align 4
10  %cmp = icmp slt i32 %stat1, 0
11  br i1 %cmp, label %bb2, label %bb1
12
13bb1:                                              ; preds = %entry
14  %vg1 = add nsw i32 %stat1, 1
15  store i32 %vg1, ptr @stat, align 4
16  %va1 = va_arg ptr %vargs, i32
17  call void @foo(i32 %count, i32 %va1) #2
18  br label %bb2
19
20bb2:                                              ; preds = %bb1, %entry
21  %res = phi i32 [ 1, %bb1 ], [ 0, %entry ]
22  call void @llvm.va_end(ptr %vargs)
23  ret i32 %res
24}
25
26define i32 @caller(i32 %arg) {
27bb:
28  %res = tail call i32 (i32, ...) @inline_fail(i32 %arg, i32 %arg)
29  ret i32 %res
30}
31
32declare void @foo(i32, i32)
33declare void @llvm.va_start(ptr)
34declare void @llvm.va_end(ptr)
35
36; Check that no remarks have been emitted, inline_fail has not been partial
37; inlined, no code has been extracted and the partial-inlining counter
38; has not been incremented.
39
40; CHECK-NOT: remark
41; CHECK: tail call i32 (i32, ...) @inline_fail(i32 %arg, i32 %arg)
42; CHECK-NOT: inline_fail.1_bb1
43; CHECK-NOT: partial-inlining
44