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[WinEH] Add some test cases I forgot to add to previous commits
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241510 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Kleckner
parent
e23370402c
commit
1249487852
86
test/CodeGen/WinEH/cppeh-catch-all-win32.ll
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86
test/CodeGen/WinEH/cppeh-catch-all-win32.ll
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@ -0,0 +1,86 @@
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; RUN: opt -winehprepare -S -o - < %s | FileCheck %s
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; This test is based on the following code:
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;
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; extern "C" void may_throw();
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; extern "C" void handle_exception();
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; extern "C" void test() {
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; try {
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; may_throw();
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; } catch (...) {
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; handle_exception();
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; }
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; }
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target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
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target triple = "i686-pc-windows-msvc"
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; The function entry in this case remains unchanged.
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; CHECK: define void @test()
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; CHECK: entry:
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; CHECK: invoke void @may_throw()
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; CHECK: to label %invoke.cont unwind label %[[LPAD_LABEL:lpad[0-9]*]]
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define void @test() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 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 @may_throw()
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to label %invoke.cont unwind label %lpad
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invoke.cont: ; preds = %entry
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br label %try.cont
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; CHECK: [[LPAD_LABEL]]:{{[ ]+}}; preds = %entry
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; CHECK: landingpad { i8*, i32 }
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; CHECK-NEXT: catch i8* null
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; CHECK-NEXT: [[RECOVER:\%.+]] = call i8* (...) @llvm.eh.actions(i32 1, i8* null, i32 -1, i8* ()* @test.catch)
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; CHECK-NEXT: indirectbr i8* [[RECOVER]], [label %try.cont]
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lpad: ; preds = %entry
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%0 = landingpad { i8*, i32 }
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catch i8* null
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%1 = extractvalue { i8*, i32 } %0, 0
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store i8* %1, i8** %exn.slot
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%2 = extractvalue { i8*, i32 } %0, 1
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store i32 %2, i32* %ehselector.slot
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br label %catch
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; CHECK-NOT: catch:
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; CHECK-NOT: @handle_exception()
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catch: ; preds = %lpad
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%exn = load i8*, i8** %exn.slot
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call void @llvm.eh.begincatch(i8* %exn, i8* null) #1
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call void @handle_exception()
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call void @llvm.eh.endcatch() #1
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br label %try.cont
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try.cont: ; preds = %catch, %invoke.cont
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ret void
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; CHECK: }
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}
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; CHECK: define internal i8* @test.catch()
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; CHECK: call i8* @llvm.frameaddress(i32 1)
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; CHECK: call i8* @llvm.x86.seh.recoverfp(i8* bitcast (void ()* @test to i8*), i8* %{{.*}})
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; CHECK: call void @handle_exception()
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; CHECK: ret i8* blockaddress(@test, %try.cont)
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; CHECK: }
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declare void @may_throw() #0
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declare i32 @__CxxFrameHandler3(...)
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; Function Attrs: nounwind
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declare void @llvm.eh.begincatch(i8* nocapture, i8* nocapture) #1
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declare void @handle_exception() #0
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; Function Attrs: nounwind
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declare void @llvm.eh.endcatch() #1
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attributes #0 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind }
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172
test/CodeGen/WinEH/seh-outlined-finally-win32.ll
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172
test/CodeGen/WinEH/seh-outlined-finally-win32.ll
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@ -0,0 +1,172 @@
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; RUN: opt -S -winehprepare < %s | FileCheck %s
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; Test case based on this code:
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;
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; extern "C" int _abnormal_termination();
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; #pragma intrinsic(_abnormal_termination)
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; extern "C" int printf(const char *, ...);
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; extern "C" void may_crash() {
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; *(volatile int *)0 = 42;
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; }
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; int main() {
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; int myres = 0;
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; __try {
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; __try {
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; may_crash();
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; } __finally {
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; printf("inner finally %d\n", _abnormal_termination());
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; may_crash();
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; }
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; } __finally {
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; printf("outer finally %d\n", _abnormal_termination());
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; }
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; }
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;
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; Note that if the inner finally crashes, the outer finally still runs. There
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; is nothing like a std::terminate call in this situation.
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target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
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target triple = "i686-pc-windows-msvc"
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$"\01??_C@_0BC@LHHILCPN@outer?5finally?5?$CFd?6?$AA@" = comdat any
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$"\01??_C@_0BC@JELAHKN@inner?5finally?5?$CFd?6?$AA@" = comdat any
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@"\01??_C@_0BC@LHHILCPN@outer?5finally?5?$CFd?6?$AA@" = linkonce_odr unnamed_addr constant [18 x i8] c"outer finally %d\0A\00", comdat, align 1
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@"\01??_C@_0BC@JELAHKN@inner?5finally?5?$CFd?6?$AA@" = linkonce_odr unnamed_addr constant [18 x i8] c"inner finally %d\0A\00", comdat, align 1
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; Function Attrs: nounwind
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define void @may_crash() #0 {
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entry:
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store volatile i32 42, i32* null, align 4
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ret void
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}
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; Function Attrs: nounwind
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define i32 @main() #0 personality i8* bitcast (i32 (...)* @_except_handler3 to i8*) {
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entry:
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%myres = alloca i32, align 4
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%exn.slot = alloca i8*
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%ehselector.slot = alloca i32
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store i32 0, i32* %myres, align 4
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invoke void @may_crash() #4
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to label %invoke.cont unwind label %lpad
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invoke.cont: ; preds = %entry
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%0 = call i8* @llvm.frameaddress(i32 0)
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invoke void @"\01?fin$1@0@main@@"(i8 zeroext 0, i8* %0) #4
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to label %invoke.cont.2 unwind label %lpad.1
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invoke.cont.2: ; preds = %invoke.cont
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%1 = call i8* @llvm.frameaddress(i32 0)
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call void @"\01?fin$0@0@main@@"(i8 zeroext 0, i8* %1)
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ret i32 0
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lpad: ; preds = %entry
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%2 = landingpad { i8*, i32 }
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cleanup
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%3 = extractvalue { i8*, i32 } %2, 0
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store i8* %3, i8** %exn.slot
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%4 = extractvalue { i8*, i32 } %2, 1
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store i32 %4, i32* %ehselector.slot
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%5 = call i8* @llvm.frameaddress(i32 0)
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invoke void @"\01?fin$1@0@main@@"(i8 zeroext 1, i8* %5) #4
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to label %invoke.cont.3 unwind label %lpad.1
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lpad.1: ; preds = %lpad, %invoke.cont
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%6 = landingpad { i8*, i32 }
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cleanup
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%7 = extractvalue { i8*, i32 } %6, 0
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store i8* %7, i8** %exn.slot
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%8 = extractvalue { i8*, i32 } %6, 1
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store i32 %8, i32* %ehselector.slot
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br label %ehcleanup
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invoke.cont.3: ; preds = %lpad
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br label %ehcleanup
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ehcleanup: ; preds = %invoke.cont.3, %lpad.1
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%9 = call i8* @llvm.frameaddress(i32 0)
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call void @"\01?fin$0@0@main@@"(i8 zeroext 1, i8* %9)
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br label %eh.resume
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eh.resume: ; preds = %ehcleanup
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%exn = load i8*, i8** %exn.slot
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%sel = load i32, i32* %ehselector.slot
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%lpad.val = insertvalue { i8*, i32 } undef, i8* %exn, 0
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%lpad.val.4 = insertvalue { i8*, i32 } %lpad.val, i32 %sel, 1
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resume { i8*, i32 } %lpad.val.4
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}
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; CHECK-LABEL: define i32 @main()
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; CHECK: invoke void @may_crash()
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;
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; CHECK: landingpad { i8*, i32 }
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; CHECK-NEXT: cleanup
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; CHECK-NEXT: call i8* (...) @llvm.eh.actions(i32 0, void ()* @main.cleanup)
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; CHECK-NEXT: indirectbr
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;
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; CHECK: landingpad { i8*, i32 }
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; CHECK-NEXT: cleanup
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; CHECK-NEXT: call i8* (...) @llvm.eh.actions(i32 0, void ()* @main.cleanup.1)
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; CHECK-NEXT: indirectbr
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; CHECK-LABEL: define internal void @main.cleanup()
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; CHECK: call i8* @llvm.frameaddress(i32 1)
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; CHECK: call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32 ()* @main to i8*), i8* %{{.*}})
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; CHECK: call void @"\01?fin$1@0@main@@"(i8 zeroext 1, i8* %{{.*}})
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; CHECK: call void @"\01?fin$0@0@main@@"(i8 zeroext 1, i8* %{{.*}})
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; CHECK-LABEL: define internal void @main.cleanup.1()
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; CHECK: call i8* @llvm.frameaddress(i32 1)
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; CHECK: call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32 ()* @main to i8*), i8* %{{.*}})
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; CHECK: call void @"\01?fin$0@0@main@@"(i8 zeroext 1, i8* %{{.*}})
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; Function Attrs: noinline nounwind
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define internal void @"\01?fin$0@0@main@@"(i8 zeroext %abnormal_termination, i8* %frame_pointer) #1 {
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entry:
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%frame_pointer.addr = alloca i8*, align 4
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%abnormal_termination.addr = alloca i8, align 1
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%0 = call i8* @llvm.frameaddress(i32 1)
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%1 = call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32 ()* @main to i8*), i8* %0)
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store i8* %frame_pointer, i8** %frame_pointer.addr, align 4
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store i8 %abnormal_termination, i8* %abnormal_termination.addr, align 1
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%2 = zext i8 %abnormal_termination to i32
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%call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @"\01??_C@_0BC@LHHILCPN@outer?5finally?5?$CFd?6?$AA@", i32 0, i32 0), i32 %2)
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ret void
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}
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; Function Attrs: nounwind readnone
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declare i8* @llvm.frameaddress(i32) #2
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; Function Attrs: nounwind readnone
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declare i8* @llvm.x86.seh.recoverfp(i8*, i8*) #2
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declare i32 @printf(i8*, ...) #3
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; Function Attrs: noinline nounwind
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define internal void @"\01?fin$1@0@main@@"(i8 zeroext %abnormal_termination, i8* %frame_pointer) #1 {
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entry:
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%frame_pointer.addr = alloca i8*, align 4
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%abnormal_termination.addr = alloca i8, align 1
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%0 = call i8* @llvm.frameaddress(i32 1)
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%1 = call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32 ()* @main to i8*), i8* %0)
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store i8* %frame_pointer, i8** %frame_pointer.addr, align 4
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store i8 %abnormal_termination, i8* %abnormal_termination.addr, align 1
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%2 = zext i8 %abnormal_termination to i32
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%call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @"\01??_C@_0BC@JELAHKN@inner?5finally?5?$CFd?6?$AA@", i32 0, i32 0), i32 %2)
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call void @may_crash()
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ret void
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}
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declare i32 @_except_handler3(...)
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attributes #0 = { nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { noinline nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #2 = { nounwind readnone }
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attributes #3 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #4 = { noinline }
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!llvm.ident = !{!0}
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!0 = !{!"clang version 3.7.0 "}
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