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fbc7540bf7
Also Fix a buglet where SEH tables had ranges that spanned funclets. The remaining tests using the old landingpad IR are preparation tests, and will be deleted along with the old preparation. llvm-svn: 249917
159 lines
6.1 KiB
LLVM
159 lines
6.1 KiB
LLVM
; RUN: llc < %s | FileCheck %s
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; Test case based on this source:
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; int puts(const char*);
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; __declspec(noinline) void crash() {
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; *(volatile int*)0 = 42;
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; }
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; int filt();
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; void use_both() {
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; __try {
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; __try {
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; crash();
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; } __finally {
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; puts("__finally");
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; }
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; } __except (filt()) {
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; puts("__except");
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; }
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; }
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target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-windows-msvc"
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$"\01??_C@_09KJEHOMHG@__finally?$AA@" = comdat any
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$"\01??_C@_08MLCMLGHM@__except?$AA@" = comdat any
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@"\01??_C@_09KJEHOMHG@__finally?$AA@" = linkonce_odr unnamed_addr constant [10 x i8] c"__finally\00", comdat, align 1
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@"\01??_C@_08MLCMLGHM@__except?$AA@" = linkonce_odr unnamed_addr constant [9 x i8] c"__except\00", comdat, align 1
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declare void @crash()
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declare i32 @filt()
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; Function Attrs: nounwind uwtable
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define void @use_both() #1 personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) {
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entry:
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%exn.slot = alloca i8*
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%ehselector.slot = alloca i32
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invoke void @crash() #5
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to label %invoke.cont unwind label %__finally
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invoke.cont: ; preds = %entry
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%0 = call i8* @llvm.localaddress()
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invoke void @"\01?fin$0@0@use_both@@"(i1 zeroext false, i8* %0) #5
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to label %invoke.cont2 unwind label %catch.dispatch
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invoke.cont2: ; preds = %invoke.cont
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br label %__try.cont
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__finally: ; preds = %entry
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%cleanuppad = cleanuppad []
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%locals = call i8* @llvm.localaddress()
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invoke void @"\01?fin$0@0@use_both@@"(i1 zeroext true, i8* %locals) #5
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to label %invoke.cont3 unwind label %cleanupendpad
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invoke.cont3: ; preds = %__finally
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cleanupret %cleanuppad unwind label %catch.dispatch
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cleanupendpad:
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cleanupendpad %cleanuppad unwind label %catch.dispatch
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catch.dispatch: ; preds = %invoke.cont3, %lpad1
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%catchpad = catchpad [i8* bitcast (i32 (i8*, i8*)* @"\01?filt$0@0@use_both@@" to i8*)]
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to label %__except unwind label %catchendpad
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__except: ; preds = %catch.dispatch
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%call = call i32 @puts(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @"\01??_C@_08MLCMLGHM@__except?$AA@", i32 0, i32 0))
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catchret %catchpad to label %__try.cont
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catchendpad:
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catchendpad unwind to caller
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__try.cont: ; preds = %__except, %invoke.cont2
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ret void
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eh.resume: ; preds = %catch.dispatch
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%exn = load i8*, i8** %exn.slot
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%sel4 = load i32, i32* %ehselector.slot
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%lpad.val = insertvalue { i8*, i32 } undef, i8* %exn, 0
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%lpad.val5 = insertvalue { i8*, i32 } %lpad.val, i32 %sel4, 1
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resume { i8*, i32 } %lpad.val5
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}
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; CHECK-LABEL: use_both:
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; CHECK: .Ltmp0
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; CHECK: callq crash
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; CHECK: .Ltmp1
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; CHECK: .Ltmp4
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; CHECK: callq "?fin$0@0@use_both@@"
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; CHECK: .Ltmp5
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; CHECK: retq
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;
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; CHECK: .seh_handlerdata
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; CHECK-NEXT: .long (.Llsda_end0-.Llsda_begin0)/16
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; CHECK-NEXT: .Llsda_begin0:
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; CHECK-NEXT: .long .Ltmp0@IMGREL+1
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; CHECK-NEXT: .long .Ltmp1@IMGREL+1
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; CHECK-NEXT: .long "?dtor$2@?0?use_both@4HA"@IMGREL
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; CHECK-NEXT: .long 0
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; CHECK-NEXT: .long .Ltmp0@IMGREL+1
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; CHECK-NEXT: .long .Ltmp1@IMGREL+1
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; CHECK-NEXT: .long "?filt$0@0@use_both@@"@IMGREL
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; CHECK-NEXT: .long .LBB0_{{[0-9]+}}@IMGREL
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; CHECK-NEXT: .long .Ltmp4@IMGREL+1
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; CHECK-NEXT: .long .Ltmp5@IMGREL+1
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; CHECK-NEXT: .long "?filt$0@0@use_both@@"@IMGREL
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; CHECK-NEXT: .long .LBB0_{{[0-9]+}}@IMGREL
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; CHECK-NEXT: .Llsda_end0:
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; Function Attrs: noinline nounwind
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define internal i32 @"\01?filt$0@0@use_both@@"(i8* %exception_pointers, i8* %frame_pointer) #2 {
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entry:
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%frame_pointer.addr = alloca i8*, align 8
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%exception_pointers.addr = alloca i8*, align 8
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%exn.slot = alloca i8*
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store i8* %frame_pointer, i8** %frame_pointer.addr, align 8
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store i8* %exception_pointers, i8** %exception_pointers.addr, align 8
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%0 = load i8*, i8** %exception_pointers.addr
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%1 = bitcast i8* %0 to { i32*, i8* }*
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%2 = getelementptr inbounds { i32*, i8* }, { i32*, i8* }* %1, i32 0, i32 0
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%3 = load i32*, i32** %2
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%4 = load i32, i32* %3
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%5 = zext i32 %4 to i64
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%6 = inttoptr i64 %5 to i8*
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store i8* %6, i8** %exn.slot
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%call = call i32 @filt()
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ret i32 %call
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}
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define internal void @"\01?fin$0@0@use_both@@"(i1 zeroext %abnormal_termination, i8* %frame_pointer) #3 {
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entry:
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%frame_pointer.addr = alloca i8*, align 8
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%abnormal_termination.addr = alloca i8, align 1
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store i8* %frame_pointer, i8** %frame_pointer.addr, align 8
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%frombool = zext i1 %abnormal_termination to i8
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store i8 %frombool, i8* %abnormal_termination.addr, align 1
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%call = call i32 @puts(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @"\01??_C@_09KJEHOMHG@__finally?$AA@", i32 0, i32 0))
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ret void
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}
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declare i32 @puts(i8*) #3
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declare i32 @__C_specific_handler(...)
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; Function Attrs: nounwind readnone
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declare i8* @llvm.localaddress() #4
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; Function Attrs: nounwind readnone
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declare i32 @llvm.eh.typeid.for(i8*) #4
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attributes #0 = { noinline nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "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" }
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attributes #1 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "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" }
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attributes #2 = { noinline nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "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" }
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attributes #3 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "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" }
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attributes #4 = { nounwind readnone }
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attributes #5 = { noinline }
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attributes #6 = { nounwind }
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