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-rw-r--r--test/CodeGen/WinEH/seh-outlined-finally-win32.ll172
1 files changed, 172 insertions, 0 deletions
diff --git a/test/CodeGen/WinEH/seh-outlined-finally-win32.ll b/test/CodeGen/WinEH/seh-outlined-finally-win32.ll
new file mode 100644
index 000000000000..3649433c4b61
--- /dev/null
+++ b/test/CodeGen/WinEH/seh-outlined-finally-win32.ll
@@ -0,0 +1,172 @@
+; RUN: opt -S -winehprepare < %s | FileCheck %s
+
+; Test case based on this code:
+;
+; extern "C" int _abnormal_termination();
+; #pragma intrinsic(_abnormal_termination)
+; extern "C" int printf(const char *, ...);
+; extern "C" void may_crash() {
+; *(volatile int *)0 = 42;
+; }
+; int main() {
+; int myres = 0;
+; __try {
+; __try {
+; may_crash();
+; } __finally {
+; printf("inner finally %d\n", _abnormal_termination());
+; may_crash();
+; }
+; } __finally {
+; printf("outer finally %d\n", _abnormal_termination());
+; }
+; }
+;
+; Note that if the inner finally crashes, the outer finally still runs. There
+; is nothing like a std::terminate call in this situation.
+
+target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
+target triple = "i686-pc-windows-msvc"
+
+$"\01??_C@_0BC@LHHILCPN@outer?5finally?5?$CFd?6?$AA@" = comdat any
+
+$"\01??_C@_0BC@JELAHKN@inner?5finally?5?$CFd?6?$AA@" = comdat any
+
+@"\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
+@"\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
+
+; Function Attrs: nounwind
+define void @may_crash() #0 {
+entry:
+ store volatile i32 42, i32* null, align 4
+ ret void
+}
+
+; Function Attrs: nounwind
+define i32 @main() #0 personality i8* bitcast (i32 (...)* @_except_handler3 to i8*) {
+entry:
+ %myres = alloca i32, align 4
+ %exn.slot = alloca i8*
+ %ehselector.slot = alloca i32
+ store i32 0, i32* %myres, align 4
+ invoke void @may_crash() #4
+ to label %invoke.cont unwind label %lpad
+
+invoke.cont: ; preds = %entry
+ %0 = call i8* @llvm.frameaddress(i32 0)
+ invoke void @"\01?fin$1@0@main@@"(i8 zeroext 0, i8* %0) #4
+ to label %invoke.cont.2 unwind label %lpad.1
+
+invoke.cont.2: ; preds = %invoke.cont
+ %1 = call i8* @llvm.frameaddress(i32 0)
+ call void @"\01?fin$0@0@main@@"(i8 zeroext 0, i8* %1)
+ ret i32 0
+
+lpad: ; preds = %entry
+ %2 = landingpad { i8*, i32 }
+ cleanup
+ %3 = extractvalue { i8*, i32 } %2, 0
+ store i8* %3, i8** %exn.slot
+ %4 = extractvalue { i8*, i32 } %2, 1
+ store i32 %4, i32* %ehselector.slot
+ %5 = call i8* @llvm.frameaddress(i32 0)
+ invoke void @"\01?fin$1@0@main@@"(i8 zeroext 1, i8* %5) #4
+ to label %invoke.cont.3 unwind label %lpad.1
+
+lpad.1: ; preds = %lpad, %invoke.cont
+ %6 = landingpad { i8*, i32 }
+ cleanup
+ %7 = extractvalue { i8*, i32 } %6, 0
+ store i8* %7, i8** %exn.slot
+ %8 = extractvalue { i8*, i32 } %6, 1
+ store i32 %8, i32* %ehselector.slot
+ br label %ehcleanup
+
+invoke.cont.3: ; preds = %lpad
+ br label %ehcleanup
+
+ehcleanup: ; preds = %invoke.cont.3, %lpad.1
+ %9 = call i8* @llvm.frameaddress(i32 0)
+ call void @"\01?fin$0@0@main@@"(i8 zeroext 1, i8* %9)
+ br label %eh.resume
+
+eh.resume: ; preds = %ehcleanup
+ %exn = load i8*, i8** %exn.slot
+ %sel = load i32, i32* %ehselector.slot
+ %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn, 0
+ %lpad.val.4 = insertvalue { i8*, i32 } %lpad.val, i32 %sel, 1
+ resume { i8*, i32 } %lpad.val.4
+}
+
+; CHECK-LABEL: define i32 @main()
+; CHECK: invoke void @may_crash()
+;
+; CHECK: landingpad { i8*, i32 }
+; CHECK-NEXT: cleanup
+; CHECK-NEXT: call i8* (...) @llvm.eh.actions(i32 0, void ()* @main.cleanup)
+; CHECK-NEXT: indirectbr
+;
+; CHECK: landingpad { i8*, i32 }
+; CHECK-NEXT: cleanup
+; CHECK-NEXT: call i8* (...) @llvm.eh.actions(i32 0, void ()* @main.cleanup.1)
+; CHECK-NEXT: indirectbr
+
+; CHECK-LABEL: define internal void @main.cleanup()
+; CHECK: call i8* @llvm.frameaddress(i32 1)
+; CHECK: call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32 ()* @main to i8*), i8* %{{.*}})
+; CHECK: call void @"\01?fin$1@0@main@@"(i8 zeroext 1, i8* %{{.*}})
+; CHECK: call void @"\01?fin$0@0@main@@"(i8 zeroext 1, i8* %{{.*}})
+
+; CHECK-LABEL: define internal void @main.cleanup.1()
+; CHECK: call i8* @llvm.frameaddress(i32 1)
+; CHECK: call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32 ()* @main to i8*), i8* %{{.*}})
+; CHECK: call void @"\01?fin$0@0@main@@"(i8 zeroext 1, i8* %{{.*}})
+
+; Function Attrs: noinline nounwind
+define internal void @"\01?fin$0@0@main@@"(i8 zeroext %abnormal_termination, i8* %frame_pointer) #1 {
+entry:
+ %frame_pointer.addr = alloca i8*, align 4
+ %abnormal_termination.addr = alloca i8, align 1
+ %0 = call i8* @llvm.frameaddress(i32 1)
+ %1 = call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32 ()* @main to i8*), i8* %0)
+ store i8* %frame_pointer, i8** %frame_pointer.addr, align 4
+ store i8 %abnormal_termination, i8* %abnormal_termination.addr, align 1
+ %2 = zext i8 %abnormal_termination to i32
+ %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @"\01??_C@_0BC@LHHILCPN@outer?5finally?5?$CFd?6?$AA@", i32 0, i32 0), i32 %2)
+ ret void
+}
+
+; Function Attrs: nounwind readnone
+declare i8* @llvm.frameaddress(i32) #2
+
+; Function Attrs: nounwind readnone
+declare i8* @llvm.x86.seh.recoverfp(i8*, i8*) #2
+
+declare i32 @printf(i8*, ...) #3
+
+; Function Attrs: noinline nounwind
+define internal void @"\01?fin$1@0@main@@"(i8 zeroext %abnormal_termination, i8* %frame_pointer) #1 {
+entry:
+ %frame_pointer.addr = alloca i8*, align 4
+ %abnormal_termination.addr = alloca i8, align 1
+ %0 = call i8* @llvm.frameaddress(i32 1)
+ %1 = call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32 ()* @main to i8*), i8* %0)
+ store i8* %frame_pointer, i8** %frame_pointer.addr, align 4
+ store i8 %abnormal_termination, i8* %abnormal_termination.addr, align 1
+ %2 = zext i8 %abnormal_termination to i32
+ %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @"\01??_C@_0BC@JELAHKN@inner?5finally?5?$CFd?6?$AA@", i32 0, i32 0), i32 %2)
+ call void @may_crash()
+ ret void
+}
+
+declare i32 @_except_handler3(...)
+
+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" }
+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" }
+attributes #2 = { nounwind readnone }
+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" }
+attributes #4 = { noinline }
+
+!llvm.ident = !{!0}
+
+!0 = !{!"clang version 3.7.0 "}
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