xref: /llvm-project/llvm/test/Transforms/PGOProfile/memop_profile_funclet.ll (revision 9ff36df5a4a7d52c51e950522870bb64912688d2)
1b35b7da4SAndy Kaylor; RUN: opt < %s -passes=pgo-instr-gen -S | FileCheck %s --check-prefix=GEN
21ebee7adSHiroshi Yamauchi; RUN: opt < %s -passes=pgo-instr-gen,instrprof -S | FileCheck %s --check-prefixes=LOWER
3b35b7da4SAndy Kaylor
4b35b7da4SAndy Kaylor; This test is to verify that PGO runtime library calls get created with the
5b35b7da4SAndy Kaylor; appropriate operand bundle funclet information when a memory intrinsic
6b35b7da4SAndy Kaylor; being value profiled is called within an exception handler.
7b35b7da4SAndy Kaylor
8b35b7da4SAndy Kaylor; Test case based on this source:
9b35b7da4SAndy Kaylor;  #include <memory.h>
10b35b7da4SAndy Kaylor;
11b35b7da4SAndy Kaylor;  extern void may_throw(int);
12b35b7da4SAndy Kaylor;
13b35b7da4SAndy Kaylor;  #define MSG "0123456789012345\0"
14b35b7da4SAndy Kaylor;  unsigned len = 16;
15b35b7da4SAndy Kaylor;  char msg[200];
16b35b7da4SAndy Kaylor;
17b35b7da4SAndy Kaylor;  void run(int count) {
18b35b7da4SAndy Kaylor;    try {
19b35b7da4SAndy Kaylor;      may_throw(count);
20b35b7da4SAndy Kaylor;    }
21b35b7da4SAndy Kaylor;    catch (...) {
22b35b7da4SAndy Kaylor;      memcpy(msg, MSG, len);
23b35b7da4SAndy Kaylor;      throw;
24b35b7da4SAndy Kaylor;    }
25b35b7da4SAndy Kaylor;  }
26b35b7da4SAndy Kaylor
27b35b7da4SAndy Kaylor%eh.ThrowInfo = type { i32, i32, i32, i32 }
28b35b7da4SAndy Kaylor
29b35b7da4SAndy Kaylor$"??_C@_0BC@CABPINND@Exception?5caught?$AA?$AA@" = comdat any
30b35b7da4SAndy Kaylor
31b35b7da4SAndy Kaylor@"?len@@3IA" = dso_local global i32 16, align 4
32b35b7da4SAndy Kaylor@"?msg@@3PADA" = dso_local global [200 x i8] zeroinitializer, align 16
33b35b7da4SAndy Kaylor@"??_C@_0BC@CABPINND@Exception?5caught?$AA?$AA@" = linkonce_odr dso_local unnamed_addr constant [18 x i8] c"0123456789012345\00\00", comdat, align 1
34b35b7da4SAndy Kaylor
35*9ff36df5SFangrui Songdefine dso_local void @"?run@@YAXH@Z"(i32 %count) personality ptr @__CxxFrameHandler3 {
36b35b7da4SAndy Kaylorentry:
37b35b7da4SAndy Kaylor  invoke void @"?may_throw@@YAXH@Z"(i32 %count)
38b35b7da4SAndy Kaylor          to label %try.cont unwind label %catch.dispatch
39b35b7da4SAndy Kaylor
40b35b7da4SAndy Kaylorcatch.dispatch:                                   ; preds = %entry
41b35b7da4SAndy Kaylor  %tmp = catchswitch within none [label %catch] unwind to caller
42b35b7da4SAndy Kaylor
43b35b7da4SAndy Kaylorcatch:                                            ; preds = %catch.dispatch
44*9ff36df5SFangrui Song  %tmp1 = catchpad within %tmp [ptr null, i32 64, ptr null]
45*9ff36df5SFangrui Song  %tmp2 = load i32, ptr @"?len@@3IA", align 4
46b35b7da4SAndy Kaylor  %conv = zext i32 %tmp2 to i64
47*9ff36df5SFangrui Song  call void @llvm.memcpy.p0.p0.i64(
48*9ff36df5SFangrui Song    ptr @"?msg@@3PADA",
49*9ff36df5SFangrui Song    ptr @"??_C@_0BC@CABPINND@Exception?5caught?$AA?$AA@",
50b35b7da4SAndy Kaylor    i64 %conv, i1 false)
51*9ff36df5SFangrui Song  call void @_CxxThrowException(ptr null, ptr null) #3 [ "funclet"(token %tmp1) ]
52b35b7da4SAndy Kaylor  unreachable
53b35b7da4SAndy Kaylor
54b35b7da4SAndy Kaylortry.cont:                                         ; preds = %entry
55b35b7da4SAndy Kaylor  ret void
56b35b7da4SAndy Kaylor}
57b35b7da4SAndy Kaylor
58b35b7da4SAndy Kaylor; GEN: catch:
59b35b7da4SAndy Kaylor; GEN: call void @llvm.instrprof.value.profile(
60b35b7da4SAndy Kaylor; GEN-SAME: [ "funclet"(token %tmp1) ]
61b35b7da4SAndy Kaylor
62b35b7da4SAndy Kaylor; LOWER: catch:
631ebee7adSHiroshi Yamauchi; LOWER: call void @__llvm_profile_instrument_memop(
64b35b7da4SAndy Kaylor; LOWER-SAME: [ "funclet"(token %tmp1) ]
65b35b7da4SAndy Kaylor
66b35b7da4SAndy Kaylordeclare dso_local void @"?may_throw@@YAXH@Z"(i32)
67b35b7da4SAndy Kaylordeclare dso_local i32 @__CxxFrameHandler3(...)
68b35b7da4SAndy Kaylor
69*9ff36df5SFangrui Songdeclare void @llvm.memcpy.p0.p0.i64(ptr, ptr, i64, i1)
70*9ff36df5SFangrui Songdeclare dso_local void @_CxxThrowException(ptr, ptr)
71