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llvm-for-llvmta/test/CodeGen/X86/wineh-coreclr.ll

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2022-04-25 10:02:23 +02:00
; RUN: llc -mtriple=x86_64-pc-windows-coreclr -verify-machineinstrs < %s | FileCheck %s
declare void @ProcessCLRException()
declare void @f(i32)
declare void @g(i8 addrspace(1)*)
declare i8 addrspace(1)* @llvm.eh.exceptionpointer.p1i8(token)
; Simplified IR for pseudo-C# like the following:
; void test1() {
; try {
; f(1);
; try {
; f(2);
; } catch (type1) {
; f(3);
; } catch (type2) {
; f(4);
; try {
; f(5);
; } fault {
; f(6);
; }
; }
; } finally {
; f(7);
; }
; f(8);
; }
;
; CHECK-LABEL: test1: # @test1
; CHECK-NEXT: [[test1_begin:.*func_begin.*]]:
define void @test1() personality i8* bitcast (void ()* @ProcessCLRException to i8*) {
entry:
; CHECK: # %entry
; CHECK: leaq [[FPOffset:[0-9]+]](%rsp), %rbp
; CHECK: .seh_endprologue
; CHECK: movq %rsp, [[PSPSymOffset:[0-9]+]](%rsp)
; CHECK: [[test1_before_f1:.+]]:
; CHECK-NEXT: movl $1, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test1_after_f1:.+]]:
invoke void @f(i32 1)
to label %inner_try unwind label %finally
inner_try:
; CHECK: # %inner_try
; CHECK: [[test1_before_f2:.+]]:
; CHECK-NEXT: movl $2, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test1_after_f2:.+]]:
invoke void @f(i32 2)
to label %finally.clone unwind label %exn.dispatch
exn.dispatch:
%catchswitch = catchswitch within none [label %catch1, label %catch2] unwind label %finally
catch1:
%catch.pad1 = catchpad within %catchswitch [i32 1]
; CHECK: .seh_proc [[test1_catch1:[^ ]+]]
; CHECK: .seh_stackalloc [[FuncletFrameSize:[0-9]+]]
; ^ all funclets use the same frame size
; CHECK: movq [[PSPSymOffset]](%rcx), %rcx
; ^ establisher frame pointer passed in rcx
; CHECK: movq %rcx, [[PSPSymOffset]](%rsp)
; CHECK: leaq [[FPOffset]](%rcx), %rbp
; CHECK: .seh_endprologue
; CHECK: movq %rdx, %rcx
; ^ exception pointer passed in rdx
; CHECK-NEXT: callq g
%exn1 = call i8 addrspace(1)* @llvm.eh.exceptionpointer.p1i8(token %catch.pad1)
call void @g(i8 addrspace(1)* %exn1) [ "funclet"(token %catch.pad1) ]
; CHECK: [[test1_before_f3:.+]]:
; CHECK-NEXT: movl $3, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test1_after_f3:.+]]:
invoke void @f(i32 3) [ "funclet"(token %catch.pad1) ]
to label %catch1.ret unwind label %finally
catch1.ret:
catchret from %catch.pad1 to label %finally.clone
catch2:
%catch.pad2 = catchpad within %catchswitch [i32 2]
; CHECK: .seh_proc [[test1_catch2:[^ ]+]]
; CHECK: .seh_stackalloc [[FuncletFrameSize:[0-9]+]]
; ^ all funclets use the same frame size
; CHECK: movq [[PSPSymOffset]](%rcx), %rcx
; ^ establisher frame pointer passed in rcx
; CHECK: movq %rcx, [[PSPSymOffset]](%rsp)
; CHECK: leaq [[FPOffset]](%rcx), %rbp
; CHECK: .seh_endprologue
; CHECK: movq %rdx, %rcx
; ^ exception pointer passed in rdx
; CHECK-NEXT: callq g
%exn2 = call i8 addrspace(1)* @llvm.eh.exceptionpointer.p1i8(token %catch.pad2)
call void @g(i8 addrspace(1)* %exn2) [ "funclet"(token %catch.pad2) ]
; CHECK: [[test1_before_f4:.+]]:
; CHECK-NEXT: movl $4, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test1_after_f4:.+]]:
invoke void @f(i32 4) [ "funclet"(token %catch.pad2) ]
to label %try_in_catch unwind label %finally
try_in_catch:
; CHECK: # %try_in_catch
; CHECK: [[test1_before_f5:.+]]:
; CHECK-NEXT: movl $5, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test1_after_f5:.+]]:
invoke void @f(i32 5) [ "funclet"(token %catch.pad2) ]
to label %catch2.ret unwind label %fault
fault:
; CHECK: .seh_proc [[test1_fault:[^ ]+]]
%fault.pad = cleanuppad within %catch.pad2 [i32 undef]
; CHECK: .seh_stackalloc [[FuncletFrameSize:[0-9]+]]
; ^ all funclets use the same frame size
; CHECK: movq [[PSPSymOffset]](%rcx), %rcx
; ^ establisher frame pointer passed in rcx
; CHECK: movq %rcx, [[PSPSymOffset]](%rsp)
; CHECK: leaq [[FPOffset]](%rcx), %rbp
; CHECK: .seh_endprologue
; CHECK: [[test1_before_f6:.+]]:
; CHECK-NEXT: movl $6, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test1_after_f6:.+]]:
invoke void @f(i32 6) [ "funclet"(token %fault.pad) ]
to label %fault.ret unwind label %finally
fault.ret:
cleanupret from %fault.pad unwind label %finally
catch2.ret:
catchret from %catch.pad2 to label %finally.clone
finally.clone:
call void @f(i32 7)
br label %tail
finally:
; CHECK: .seh_proc [[test1_finally:[^ ]+]]
%finally.pad = cleanuppad within none []
; CHECK: .seh_stackalloc [[FuncletFrameSize:[0-9]+]]
; ^ all funclets use the same frame size
; CHECK: movq [[PSPSymOffset]](%rcx), %rcx
; ^ establisher frame pointer passed in rcx
; CHECK: movq %rcx, [[PSPSymOffset]](%rsp)
; CHECK: leaq [[FPOffset]](%rcx), %rbp
; CHECK: .seh_endprologue
; CHECK-NEXT: movl $7, %ecx
; CHECK-NEXT: callq f
call void @f(i32 7) [ "funclet"(token %finally.pad) ]
cleanupret from %finally.pad unwind to caller
tail:
call void @f(i32 8)
ret void
; CHECK: [[test1_end:.*func_end.*]]:
}
; Now check for EH table in xdata (following standard xdata)
; CHECK-LABEL: .section .xdata
; standard xdata comes here
; CHECK: .long 4{{$}}
; ^ number of funclets
; CHECK-NEXT: .long [[test1_catch1]]-[[test1_begin]]
; ^ offset from L_begin to start of 1st funclet
; CHECK-NEXT: .long [[test1_catch2]]-[[test1_begin]]
; ^ offset from L_begin to start of 2nd funclet
; CHECK-NEXT: .long [[test1_fault]]-[[test1_begin]]
; ^ offset from L_begin to start of 3rd funclet
; CHECK-NEXT: .long [[test1_finally]]-[[test1_begin]]
; ^ offset from L_begin to start of 4th funclet
; CHECK-NEXT: .long [[test1_end]]-[[test1_begin]]
; ^ offset from L_begin to end of last funclet
; CHECK-NEXT: .long 7
; ^ number of EH clauses
; Clause 1: call f(2) is guarded by catch1
; CHECK-NEXT: .long 0
; ^ flags (0 => catch handler)
; CHECK-NEXT: .long ([[test1_before_f2]]-[[test1_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test1_after_f2]]-[[test1_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test1_catch1]]-[[test1_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test1_catch2]]-[[test1_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 1
; ^ type token of catch (from catchpad)
; Clause 2: call f(2) is also guarded by catch2
; CHECK-NEXT: .long 0
; ^ flags (0 => catch handler)
; CHECK-NEXT: .long ([[test1_before_f2]]-[[test1_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test1_after_f2]]-[[test1_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test1_catch2]]-[[test1_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test1_fault]]-[[test1_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 2
; ^ type token of catch (from catchpad)
; Clause 3: calls f(1) and f(2) are guarded by finally
; CHECK-NEXT: .long 2
; ^ flags (2 => finally handler)
; CHECK-NEXT: .long ([[test1_before_f1]]-[[test1_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test1_after_f2]]-[[test1_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test1_finally]]-[[test1_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test1_end]]-[[test1_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 0
; ^ type token slot (null for finally)
; Clause 4: call f(3) is guarded by finally
; This is a "duplicate" because the protected range (f(3))
; is in funclet catch1 but the finally's immediate parent
; is the main function, not that funclet.
; CHECK-NEXT: .long 10
; ^ flags (2 => finally handler | 8 => duplicate)
; CHECK-NEXT: .long ([[test1_before_f3]]-[[test1_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test1_after_f3]]-[[test1_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test1_finally]]-[[test1_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test1_end]]-[[test1_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 0
; ^ type token slot (null for finally)
; Clause 5: call f(5) is guarded by fault
; CHECK-NEXT: .long 4
; ^ flags (4 => fault handler)
; CHECK-NEXT: .long ([[test1_before_f5]]-[[test1_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test1_after_f5]]-[[test1_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test1_fault]]-[[test1_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test1_finally]]-[[test1_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 0
; ^ type token slot (null for fault)
; Clause 6: calls f(4) and f(5) are guarded by finally
; This is a "duplicate" because the protected range (f(4)-f(5))
; is in funclet catch2 but the finally's immediate parent
; is the main function, not that funclet.
; CHECK-NEXT: .long 10
; ^ flags (2 => finally handler | 8 => duplicate)
; CHECK-NEXT: .long ([[test1_before_f4]]-[[test1_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test1_after_f5]]-[[test1_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test1_finally]]-[[test1_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test1_end]]-[[test1_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 0
; ^ type token slot (null for finally)
; Clause 7: call f(6) is guarded by finally
; This is a "duplicate" because the protected range (f(3))
; is in funclet catch1 but the finally's immediate parent
; is the main function, not that funclet.
; CHECK-NEXT: .long 10
; ^ flags (2 => finally handler | 8 => duplicate)
; CHECK-NEXT: .long ([[test1_before_f6]]-[[test1_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test1_after_f6]]-[[test1_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test1_finally]]-[[test1_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test1_end]]-[[test1_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 0
; ^ type token slot (null for finally)
; Test with a cleanup that has no cleanupret, and thus needs its unwind dest
; inferred from an inner catchswitch
;
; corresponds to C# along the lines of:
; void test2() {
; try {
; try {
; f(1);
; } fault {
; try {
; f(2);
; } catch(type1) {
; }
; __unreachable();
; }
; } catch(type2) {
; }
; }
;
define void @test2() personality i8* bitcast (void ()* @ProcessCLRException to i8*) {
entry:
invoke void @f(i32 1)
to label %exit unwind label %fault
fault:
%fault.pad = cleanuppad within none [i32 undef]
invoke void @f(i32 2) ["funclet"(token %fault.pad)]
to label %unreachable unwind label %exn.dispatch.inner
exn.dispatch.inner:
%catchswitch.inner = catchswitch within %fault.pad [label %catch1] unwind label %exn.dispatch.outer
catch1:
%catch.pad1 = catchpad within %catchswitch.inner [i32 1]
catchret from %catch.pad1 to label %unreachable
exn.dispatch.outer:
%catchswitch.outer = catchswitch within none [label %catch2] unwind to caller
catch2:
%catch.pad2 = catchpad within %catchswitch.outer [i32 2]
catchret from %catch.pad2 to label %exit
exit:
ret void
unreachable:
unreachable
}
; CHECK-LABEL: test2: # @test2
; CHECK-NEXT: [[test2_begin:.*func_begin.*]]:
; CHECK: .seh_endprologue
; CHECK: [[test2_before_f1:.+]]:
; CHECK-NEXT: movl $1, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test2_after_f1:.+]]:
; CHECK: .seh_proc [[test2_catch1:[^ ]+]]
; CHECK: .seh_proc [[test2_catch2:[^ ]+]]
; CHECK: .seh_proc [[test2_fault:[^ ]+]]
; CHECK: .seh_endprologue
; CHECK: [[test2_before_f2:.+]]:
; CHECK-NEXT: movl $2, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test2_after_f2:.+]]:
; CHECK: int3
; CHECK: [[test2_end:.*func_end.*]]:
; Now check for EH table in xdata (following standard xdata)
; CHECK-LABEL: .section .xdata
; standard xdata comes here
; CHECK: .long 3{{$}}
; ^ number of funclets
; CHECK-NEXT: .long [[test2_catch1]]-[[test2_begin]]
; ^ offset from L_begin to start of 2nd funclet
; CHECK-NEXT: .long [[test2_catch2]]-[[test2_begin]]
; ^ offset from L_begin to start of 3rd funclet
; CHECK-NEXT: .long [[test2_fault]]-[[test2_begin]]
; ^ offset from L_begin to start of 1st funclet
; CHECK-NEXT: .long [[test2_end]]-[[test2_begin]]
; ^ offset from L_begin to end of last funclet
; CHECK-NEXT: .long 4
; ^ number of EH clauses
; Clause 1: call f(1) is guarded by fault
; CHECK-NEXT: .long 4
; ^ flags (4 => fault handler)
; CHECK-NEXT: .long ([[test2_before_f1]]-[[test2_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test2_after_f1]]-[[test2_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test2_fault]]-[[test2_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test2_end]]-[[test2_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 0
; ^ type token slot (null for fault)
; Clause 2: call f(1) is also guarded by catch2
; CHECK-NEXT: .long 0
; ^ flags (0 => catch handler)
; CHECK-NEXT: .long ([[test2_before_f1]]-[[test2_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test2_after_f1]]-[[test2_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test2_catch2]]-[[test2_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test2_fault]]-[[test2_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 2
; ^ type token of catch (from catchpad)
; Clause 3: calls f(2) is guarded by catch1
; CHECK-NEXT: .long 0
; ^ flags (0 => catch handler)
; CHECK-NEXT: .long ([[test2_before_f2]]-[[test2_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test2_after_f2]]-[[test2_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test2_catch1]]-[[test2_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test2_catch2]]-[[test2_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 1
; ^ type token of catch (from catchpad)
; Clause 4: call f(2) is also guarded by catch2
; This is a "duplicate" because the protected range (f(2))
; is in funclet fault but catch2's immediate parent
; is the main function, not that funclet.
; CHECK-NEXT: .long 8
; ^ flags (0 => catch handler | 8 => duplicate)
; CHECK-NEXT: .long ([[test2_before_f2]]-[[test2_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test2_after_f2]]-[[test2_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test2_catch2]]-[[test2_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test2_fault]]-[[test2_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 2
; ^ type token of catch (from catchpad)
; Test with several cleanups that need to infer their unwind dests from each
; other, the inner one needing to make the inference from an invoke, ignoring
; not-really-unwinding calls/unwind-to-caller catchswitches, as well as some
; internal invokes/catchswitches
;
; Corresponds to something like:
; void test3() {
; try {
; f(1);
; } fault { // fault1
; try {
; try {
; f(2);
; __unreachable();
; } fault { // fault2
; try {
; f(3);
; } fault { // fault3
; try {
; f(4);
; } fault { // fault4
; f(5); // no unwind edge (e.g. front-end knew it wouldn't throw but
; didn't bother to specify nounwind)
; try {
; try {
; f(6);
; } catch(type 1) {
; goto __unreachable;
; }
; } catch (type 2) { // marked "unwinds to caller" because we allow
; // that if the unwind won't be taken (see
; // SimplifyUnreachable & RemoveUnwindEdge)
; goto _unreachable;
; }
; f(7);
; __unreachable();
; }
; }
; }
; } fault { // fault 5
; }
; }
; }
;
; CHECK-LABEL: test3: # @test3
; CHECK-NEXT: [[test3_begin:.*func_begin.*]]:
define void @test3() personality i8* bitcast (void ()* @ProcessCLRException to i8*) {
entry:
; CHECK: .seh_endprologue
; CHECK: [[test3_before_f1:.+]]:
; CHECK-NEXT: movl $1, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test3_after_f1:.+]]:
invoke void @f(i32 1)
to label %exit unwind label %fault1
fault1:
; check lines below since this gets reordered to end-of-func
%fault.pad1 = cleanuppad within none [i32 undef]
invoke void @f(i32 2) ["funclet"(token %fault.pad1)]
to label %unreachable unwind label %fault2
fault2:
; check lines below since this gets reordered to end-of-func
%fault.pad2 = cleanuppad within %fault.pad1 [i32 undef]
invoke void @f(i32 3) ["funclet"(token %fault.pad2)]
to label %unreachable unwind label %fault3
fault3:
; check lines below since this gets reordered to end-of-func
%fault.pad3 = cleanuppad within %fault.pad2 [i32 undef]
invoke void @f(i32 4) ["funclet"(token %fault.pad3)]
to label %unreachable unwind label %fault4
fault4:
; CHECK: .seh_proc [[test3_fault4:[^ ]+]]
%fault.pad4 = cleanuppad within %fault.pad3 [i32 undef]
; CHECK: .seh_endprologue
call void @f(i32 5) ["funclet"(token %fault.pad4)]
; CHECK: [[test3_before_f6:.+]]:
; CHECK-NEXT: movl $6, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test3_after_f6:.+]]:
invoke void @f(i32 6) ["funclet"(token %fault.pad4)]
to label %fault4.cont unwind label %exn.dispatch1
fault4.cont:
; CHECK: # %fault4.cont
; CHECK: [[test3_before_f7:.+]]:
; CHECK-NEXT: movl $7, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test3_after_f7:.+]]:
invoke void @f(i32 7) ["funclet"(token %fault.pad4)]
to label %unreachable unwind label %fault5
exn.dispatch1:
%catchswitch1 = catchswitch within %fault.pad4 [label %catch1] unwind label %exn.dispatch2
catch1:
%catch.pad1 = catchpad within %catchswitch1 [i32 1]
; CHECK: .seh_proc [[test3_catch1:[^ ]+]]
catchret from %catch.pad1 to label %unreachable
exn.dispatch2:
%catchswitch2 = catchswitch within %fault.pad4 [label %catch2] unwind to caller
catch2:
%catch.pad2 = catchpad within %catchswitch2 [i32 2]
; CHECK: .seh_proc [[test3_catch2:[^ ]+]]
catchret from %catch.pad2 to label %unreachable
fault5:
; CHECK: .seh_proc [[test3_fault5:[^ ]+]]
%fault.pad5 = cleanuppad within %fault.pad1 [i32 undef]
; CHECK: .seh_endprologue
cleanupret from %fault.pad5 unwind to caller
exit:
ret void
unreachable:
unreachable
; CHECK: .seh_proc [[test3_fault3:[^ ]+]]
; CHECK: # %fault3
; CHECK: .seh_endprologue
; CHECK: [[test3_before_f4:.+]]:
; CHECK-NEXT: movl $4, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test3_after_f4:.+]]:
; CHECK: int3
; CHECK: .seh_proc [[test3_fault2:[^ ]+]]
; CHECK: # %fault2
; CHECK: .seh_endprologue
; CHECK: [[test3_before_f3:.+]]:
; CHECK-NEXT: movl $3, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test3_after_f3:.+]]:
; CHECK: int3
; CHECK: .seh_proc [[test3_fault1:[^ ]+]]
; CHECK: # %fault1
; CHECK: .seh_endprologue
; CHECK: [[test3_before_f2:.+]]:
; CHECK-NEXT: movl $2, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test3_after_f2:.+]]:
; CHECK: int3
; CHECK: [[test3_end:.*func_end.*]]:
}
; Now check for EH table in xdata (following standard xdata)
; CHECK-LABEL: .section .xdata
; standard xdata comes here
; CHECK: .long 7{{$}}
; ^ number of funclets
; CHECK-NEXT: .long [[test3_fault4]]-[[test3_begin]]
; ^ offset from L_begin to start of 1st funclet
; CHECK-NEXT: .long [[test3_catch1]]-[[test3_begin]]
; ^ offset from L_begin to start of 2nd funclet
; CHECK-NEXT: .long [[test3_catch2]]-[[test3_begin]]
; ^ offset from L_begin to start of 3rd funclet
; CHECK-NEXT: .long [[test3_fault5]]-[[test3_begin]]
; ^ offset from L_begin to start of 4th funclet
; CHECK-NEXT: .long [[test3_fault3]]-[[test3_begin]]
; ^ offset from L_begin to start of 5th funclet
; CHECK-NEXT: .long [[test3_fault2]]-[[test3_begin]]
; ^ offset from L_begin to start of 6th funclet
; CHECK-NEXT: .long [[test3_fault1]]-[[test3_begin]]
; ^ offset from L_begin to start of 7th funclet
; CHECK-NEXT: .long [[test3_end]]-[[test3_begin]]
; ^ offset from L_begin to end of last funclet
; CHECK-NEXT: .long 10
; ^ number of EH clauses
; Clause 1: call f(1) is guarded by fault1
; CHECK-NEXT: .long 4
; ^ flags (4 => fault handler)
; CHECK-NEXT: .long ([[test3_before_f1]]-[[test3_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test3_after_f1]]-[[test3_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test3_fault1]]-[[test3_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test3_end]]-[[test3_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 0
; ^ type token slot (null for fault)
; Clause 3: call f(6) is guarded by catch1
; CHECK-NEXT: .long 0
; ^ flags (0 => catch handler)
; CHECK-NEXT: .long ([[test3_before_f6]]-[[test3_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test3_after_f6]]-[[test3_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test3_catch1]]-[[test3_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test3_catch2]]-[[test3_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 1
; ^ type token of catch (from catchpad)
; Clause 3: call f(6) is also guarded by catch2
; CHECK-NEXT: .long 0
; ^ flags (0 => catch handler)
; CHECK-NEXT: .long ([[test3_before_f6]]-[[test3_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test3_after_f6]]-[[test3_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test3_catch2]]-[[test3_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test3_fault5]]-[[test3_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 2
; ^ type token of catch (from catchpad)
; Clause 4: call f(7) is guarded by fault5
; This is a "duplicate" because the protected range (f(6)-f(7))
; is in funclet fault4 but fault5's immediate parent
; is fault1, not that funclet.
; CHECK-NEXT: .long 12
; ^ flags (4 => fault handler | 8 => duplicate)
; CHECK-NEXT: .long ([[test3_before_f7]]-[[test3_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test3_after_f7]]-[[test3_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test3_fault5]]-[[test3_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test3_fault3]]-[[test3_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 0
; ^ type token slot (null for fault)
; Clause 5: call f(4) is guarded by fault4
; CHECK-NEXT: .long 4
; ^ flags (4 => fault handler)
; CHECK-NEXT: .long ([[test3_before_f4]]-[[test3_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test3_after_f4]]-[[test3_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test3_fault4]]-[[test3_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test3_catch1]]-[[test3_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 0
; ^ type token slot (null for fault)
; Clause 6: call f(4) is also guarded by fault5
; This is a "duplicate" because the protected range (f(4))
; is in funclet fault3 but fault5's immediate parent
; is fault1, not that funclet.
; CHECK-NEXT: .long 12
; ^ flags (4 => fault handler)
; CHECK-NEXT: .long ([[test3_before_f4]]-[[test3_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test3_after_f4]]-[[test3_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test3_fault5]]-[[test3_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test3_fault3]]-[[test3_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 0
; ^ type token slot (null for fault)
; Clause 7: call f(3) is guarded by fault3
; CHECK-NEXT: .long 4
; ^ flags (4 => fault handler)
; CHECK-NEXT: .long ([[test3_before_f3]]-[[test3_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test3_after_f3]]-[[test3_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test3_fault3]]-[[test3_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test3_fault2]]-[[test3_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 0
; ^ type token slot (null for fault)
; Clause 8: call f(3) is guarded by fault5
; This is a "duplicate" because the protected range (f(3))
; is in funclet fault2 but fault5's immediate parent
; is fault1, not that funclet.
; CHECK-NEXT: .long 12
; ^ flags (4 => fault handler | 8 => duplicate)
; CHECK-NEXT: .long ([[test3_before_f3]]-[[test3_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test3_after_f3]]-[[test3_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test3_fault5]]-[[test3_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test3_fault3]]-[[test3_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 0
; ^ type token slot (null for fault)
; Clause 9: call f(2) is guarded by fault2
; CHECK-NEXT: .long 4
; ^ flags (4 => fault handler)
; CHECK-NEXT: .long ([[test3_before_f2]]-[[test3_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test3_after_f2]]-[[test3_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test3_fault2]]-[[test3_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test3_fault1]]-[[test3_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 0
; ^ type token slot (null for fault)
; Clause 10: call f(2) is guarded by fault5
; CHECK-NEXT: .long 4
; ^ flags (4 => fault handler)
; CHECK-NEXT: .long ([[test3_before_f2]]-[[test3_begin]])+1
; ^ offset of start of clause
; CHECK-NEXT: .long ([[test3_after_f2]]-[[test3_begin]])+1
; ^ offset of end of clause
; CHECK-NEXT: .long [[test3_fault5]]-[[test3_begin]]
; ^ offset of start of handler
; CHECK-NEXT: .long [[test3_fault3]]-[[test3_begin]]
; ^ offset of end of handler
; CHECK-NEXT: .long 0
; ^ type token slot (null for fault)