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|
; RUN: llc < %s | FileCheck %s
; Test case based on this source:
; int puts(const char*);
; __declspec(noinline) void crash() {
; *(volatile int*)0 = 42;
; }
; int filt();
; void use_both() {
; __try {
; __try {
; crash();
; } __finally {
; puts("__finally");
; }
; } __except (filt()) {
; puts("__except");
; }
; }
target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc"
$"\01??_C@_09KJEHOMHG@__finally?$AA@" = comdat any
$"\01??_C@_08MLCMLGHM@__except?$AA@" = comdat any
@"\01??_C@_09KJEHOMHG@__finally?$AA@" = linkonce_odr unnamed_addr constant [10 x i8] c"__finally\00", comdat, align 1
@"\01??_C@_08MLCMLGHM@__except?$AA@" = linkonce_odr unnamed_addr constant [9 x i8] c"__except\00", comdat, align 1
declare void @crash()
declare i32 @filt()
; Function Attrs: nounwind uwtable
define void @use_both() #1 personality ptr @__C_specific_handler {
entry:
%exn.slot = alloca ptr
%ehselector.slot = alloca i32
invoke void @crash() #5
to label %invoke.cont unwind label %__finally
invoke.cont: ; preds = %entry
%0 = call ptr @llvm.localaddress()
invoke void @"\01?fin$0@0@use_both@@"(i1 zeroext false, ptr %0) #5
to label %invoke.cont2 unwind label %catch.dispatch
invoke.cont2: ; preds = %invoke.cont
br label %__try.cont
__finally: ; preds = %entry
%cleanuppad = cleanuppad within none []
%locals = call ptr @llvm.localaddress()
invoke void @"\01?fin$0@0@use_both@@"(i1 zeroext true, ptr %locals) #5 [ "funclet"(token %cleanuppad) ]
to label %invoke.cont3 unwind label %catch.dispatch
invoke.cont3: ; preds = %__finally
cleanupret from %cleanuppad unwind label %catch.dispatch
catch.dispatch: ; preds = %invoke.cont3, %lpad1
%cs1 = catchswitch within none [label %__except] unwind to caller
__except: ; preds = %catch.dispatch
%catchpad = catchpad within %cs1 [ptr @"\01?filt$0@0@use_both@@"]
%call = call i32 @puts(ptr @"\01??_C@_08MLCMLGHM@__except?$AA@") [ "funclet"(token %catchpad) ]
catchret from %catchpad to label %__try.cont
__try.cont: ; preds = %__except, %invoke.cont2
ret void
}
; CHECK-LABEL: use_both:
; CHECK: .Ltmp0
; CHECK: callq crash
; CHECK: .Ltmp1
; CHECK: .Ltmp4
; CHECK: callq "?fin$0@0@use_both@@"
; CHECK: .Ltmp5
; CHECK: retq
;
; CHECK: .seh_handlerdata
; CHECK-NEXT: .Luse_both$parent_frame_offset
; CHECK-NEXT: .long (.Llsda_end0-.Llsda_begin0)/16
; CHECK-NEXT: .Llsda_begin0:
; CHECK-NEXT: .long .Ltmp0@IMGREL
; CHECK-NEXT: .long .Ltmp1@IMGREL+1
; CHECK-NEXT: .long "?dtor$2@?0?use_both@4HA"@IMGREL
; CHECK-NEXT: .long 0
; CHECK-NEXT: .long .Ltmp0@IMGREL
; CHECK-NEXT: .long .Ltmp1@IMGREL+1
; CHECK-NEXT: .long "?filt$0@0@use_both@@"@IMGREL
; CHECK-NEXT: .long .LBB0_{{[0-9]+}}@IMGREL
; CHECK-NEXT: .long .Ltmp4@IMGREL
; CHECK-NEXT: .long .Ltmp5@IMGREL+1
; CHECK-NEXT: .long "?filt$0@0@use_both@@"@IMGREL
; CHECK-NEXT: .long .LBB0_{{[0-9]+}}@IMGREL
; CHECK-NEXT: .Llsda_end0:
; Function Attrs: noinline nounwind
define internal i32 @"\01?filt$0@0@use_both@@"(ptr %exception_pointers, ptr %frame_pointer) #2 {
entry:
%frame_pointer.addr = alloca ptr, align 8
%exception_pointers.addr = alloca ptr, align 8
%exn.slot = alloca ptr
store ptr %frame_pointer, ptr %frame_pointer.addr, align 8
store ptr %exception_pointers, ptr %exception_pointers.addr, align 8
%0 = load ptr, ptr %exception_pointers.addr
%1 = getelementptr inbounds { ptr, ptr }, ptr %0, i32 0, i32 0
%2 = load ptr, ptr %1
%3 = load i32, ptr %2
%4 = zext i32 %3 to i64
%5 = inttoptr i64 %4 to ptr
store ptr %5, ptr %exn.slot
%call = call i32 @filt()
ret i32 %call
}
define internal void @"\01?fin$0@0@use_both@@"(i1 zeroext %abnormal_termination, ptr %frame_pointer) #3 {
entry:
%frame_pointer.addr = alloca ptr, align 8
%abnormal_termination.addr = alloca i8, align 1
store ptr %frame_pointer, ptr %frame_pointer.addr, align 8
%frombool = zext i1 %abnormal_termination to i8
store i8 %frombool, ptr %abnormal_termination.addr, align 1
%call = call i32 @puts(ptr @"\01??_C@_09KJEHOMHG@__finally?$AA@")
ret void
}
declare i32 @puts(ptr) #3
declare i32 @__C_specific_handler(...)
; Function Attrs: nounwind readnone
declare ptr @llvm.localaddress() #4
; Function Attrs: nounwind readnone
declare i32 @llvm.eh.typeid.for(ptr) #4
attributes #0 = { noinline nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #2 = { noinline nounwind "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #3 = { "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #4 = { nounwind readnone }
attributes #5 = { noinline }
attributes #6 = { nounwind }
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