memop_profile_funclet.ll
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; RUN: opt < %s -pgo-instr-gen -S | FileCheck %s --check-prefix=GEN
; RUN: opt < %s -pgo-instr-gen -instrprof -S | FileCheck %s --check-prefix=LOWER
; RUN: opt < %s -passes=pgo-instr-gen -S | FileCheck %s --check-prefix=GEN
; RUN: opt < %s -passes=pgo-instr-gen,instrprof -S | FileCheck %s --check-prefix=LOWER
; This test is to verify that PGO runtime library calls get created with the
; appropriate operand bundle funclet information when a memory intrinsic
; being value profiled is called within an exception handler.
; Test case based on this source:
; #include <memory.h>
;
; extern void may_throw(int);
;
; #define MSG "0123456789012345\0"
; unsigned len = 16;
; char msg[200];
;
; void run(int count) {
; try {
; may_throw(count);
; }
; catch (...) {
; memcpy(msg, MSG, len);
; throw;
; }
; }
%eh.ThrowInfo = type { i32, i32, i32, i32 }
$"??_C@_0BC@CABPINND@Exception?5caught?$AA?$AA@" = comdat any
@"?len@@3IA" = dso_local global i32 16, align 4
@"?msg@@3PADA" = dso_local global [200 x i8] zeroinitializer, align 16
@"??_C@_0BC@CABPINND@Exception?5caught?$AA?$AA@" = linkonce_odr dso_local unnamed_addr constant [18 x i8] c"0123456789012345\00\00", comdat, align 1
define dso_local void @"?run@@YAXH@Z"(i32 %count) personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
entry:
invoke void @"?may_throw@@YAXH@Z"(i32 %count)
to label %try.cont unwind label %catch.dispatch
catch.dispatch: ; preds = %entry
%tmp = catchswitch within none [label %catch] unwind to caller
catch: ; preds = %catch.dispatch
%tmp1 = catchpad within %tmp [i8* null, i32 64, i8* null]
%tmp2 = load i32, i32* @"?len@@3IA", align 4
%conv = zext i32 %tmp2 to i64
call void @llvm.memcpy.p0i8.p0i8.i64(
i8* getelementptr inbounds ([200 x i8], [200 x i8]* @"?msg@@3PADA", i64 0, i64 0),
i8* getelementptr inbounds ([18 x i8], [18 x i8]* @"??_C@_0BC@CABPINND@Exception?5caught?$AA?$AA@", i64 0, i64 0),
i64 %conv, i1 false)
call void @_CxxThrowException(i8* null, %eh.ThrowInfo* null) #3 [ "funclet"(token %tmp1) ]
unreachable
try.cont: ; preds = %entry
ret void
}
; GEN: catch:
; GEN: call void @llvm.instrprof.value.profile(
; GEN-SAME: [ "funclet"(token %tmp1) ]
; LOWER: catch:
; LOWER: call void @__llvm_profile_instrument_range(
; LOWER-SAME: [ "funclet"(token %tmp1) ]
declare dso_local void @"?may_throw@@YAXH@Z"(i32)
declare dso_local i32 @__CxxFrameHandler3(...)
declare void @llvm.memcpy.p0i8.p0i8.i64(i8*, i8*, i64, i1)
declare dso_local void @_CxxThrowException(i8*, %eh.ThrowInfo*)