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