xref: /llvm-project/llvm/test/Transforms/BlockExtractor/extract-blocks.ll (revision 3528e63d89305907b3d6e0f59f7b03b94a12dacc)
1; RUN: echo 'foo bb9' > %t
2; RUN: echo 'foo bb20' >> %t
3; RUN: opt -S -passes=extract-blocks -extract-blocks-file=%t %s | FileCheck %s --check-prefix=CHECK-NO-ERASE
4; RUN: opt -S -passes=extract-blocks -extract-blocks-file=%t -extract-blocks-erase-funcs %s | FileCheck %s --check-prefix=CHECK-ERASE
5
6; CHECK-NO-ERASE: @foo(
7; CHECK-NO-ERASE: @foo.bb9(
8; CHECK-NO-ERASE: @foo.bb20(
9; CHECK-ERASE: declare i32 @foo(
10; CHECK-ERASE: @foo.bb9(
11; CHECK-ERASE: @foo.bb20(
12define i32 @foo(i32 %arg, i32 %arg1) {
13bb:
14  %tmp5 = icmp sgt i32 %arg, 0
15  %tmp8 = icmp sgt i32 %arg1, 0
16  %or.cond = and i1 %tmp5, %tmp8
17  br i1 %or.cond, label %bb9, label %bb14
18
19bb9:                                              ; preds = %bb
20  %tmp12 = shl i32 %arg1, 2
21  %tmp13 = add nsw i32 %tmp12, %arg
22  br label %bb30
23
24bb14:                                             ; preds = %bb
25  %0 = and i32 %arg1, %arg
26  %1 = icmp slt i32 %0, 0
27  br i1 %1, label %bb20, label %bb26
28
29bb20:                                             ; preds = %bb14
30  %tmp22 = mul nsw i32 %arg, 3
31  %tmp24 = sdiv i32 %arg1, 6
32  %tmp25 = add nsw i32 %tmp24, %tmp22
33  br label %bb30
34
35bb26:                                             ; preds = %bb14
36  %tmp29 = sub nsw i32 %arg, %arg1
37  br label %bb30
38
39bb30:                                             ; preds = %bb26, %bb20, %bb9
40  %tmp.0 = phi i32 [ %tmp13, %bb9 ], [ %tmp25, %bb20 ], [ %tmp29, %bb26 ]
41  ret i32 %tmp.0
42}
43
44