1 ;; Tests for invalid path cloning with -basic-block-sections involving indirect branches.
3 declare void @effect(i32 zeroext)
5 ;; Test failed application of path cloning for paths with indirect branches.
7 ; RUN: echo 'f bar' >> %t1
8 ; RUN: echo 'p 0 1 2' >> %t1
9 ; RUN: echo 'c 0 1.1 2.1 1' >> %t1
10 ; RUN: llc < %s -mtriple=x86_64-pc-linux -O0 -function-sections -basic-block-sections=%t1 2> %t1.err | FileCheck %s
11 ; RUN: FileCheck %s --check-prefix=WARN < %t1.err
12 ; RUN: echo 'v1' > %t2
13 ; RUN: echo 'f bar' >> %t2
14 ; RUN: echo 'p 1 2' >> %t2
15 ; RUN: echo 'c 0 1 2.1' >> %t2
16 ; RUN: llc < %s -mtriple=x86_64-pc-linux -O0 -function-sections -basic-block-sections=%t2 2> %t2.err | FileCheck %s
17 ; RUN: FileCheck %s --check-prefix=WARN < %t2.err
20 define void @bar(i1 %a, i1 %b) {
22 call void @effect(i32 0)
23 br i1 %a, label %b1, label %b2
25 call void @effect(i32 1)
26 %0 = select i1 %b, ; <ptr> [#uses=1]
27 ptr blockaddress(@bar, %b2),
28 ptr blockaddress(@bar, %b3)
29 indirectbr ptr %0, [label %b2, label %b3]
30 b2: ; preds = %b0, %b1
31 call void @effect(i32 2)
34 call void @effect(i32 3) ; preds = %b1
38 ; CHECK: .section .text.bar,"ax",@progbits
40 ; CHECK: # %bb.0: # %b0
41 ; CHECK: # %bb.1: # %b1
42 ; CHECK: .section .text.split.bar,"ax",@progbits
43 ; CHECK: bar.cold: # %b2
45 ; WARN: warning: block #1 has indirect branch and appears as the non-tail block of a path in function bar