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-rw-r--r--test/CodeGen/WinEH/cppeh-catch-all-win32.ll86
1 files changed, 86 insertions, 0 deletions
diff --git a/test/CodeGen/WinEH/cppeh-catch-all-win32.ll b/test/CodeGen/WinEH/cppeh-catch-all-win32.ll
new file mode 100644
index 0000000..b2e84b9
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+++ b/test/CodeGen/WinEH/cppeh-catch-all-win32.ll
@@ -0,0 +1,86 @@
+; RUN: opt -winehprepare -S -o - < %s | FileCheck %s
+
+; This test is based on the following code:
+;
+; extern "C" void may_throw();
+; extern "C" void handle_exception();
+; extern "C" void test() {
+; try {
+; may_throw();
+; } catch (...) {
+; handle_exception();
+; }
+; }
+
+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"
+
+; The function entry in this case remains unchanged.
+; CHECK: define void @test()
+; CHECK: entry:
+; CHECK: invoke void @may_throw()
+; CHECK: to label %invoke.cont unwind label %[[LPAD_LABEL:lpad[0-9]*]]
+
+define void @test() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
+entry:
+ %exn.slot = alloca i8*
+ %ehselector.slot = alloca i32
+ invoke void @may_throw()
+ to label %invoke.cont unwind label %lpad
+
+invoke.cont: ; preds = %entry
+ br label %try.cont
+
+; CHECK: [[LPAD_LABEL]]:{{[ ]+}}; preds = %entry
+; CHECK: landingpad { i8*, i32 }
+; CHECK-NEXT: catch i8* null
+; CHECK-NEXT: [[RECOVER:\%.+]] = call i8* (...) @llvm.eh.actions(i32 1, i8* null, i32 -1, i8* ()* @test.catch)
+; CHECK-NEXT: indirectbr i8* [[RECOVER]], [label %try.cont]
+
+lpad: ; preds = %entry
+ %0 = landingpad { i8*, i32 }
+ catch i8* null
+ %1 = extractvalue { i8*, i32 } %0, 0
+ store i8* %1, i8** %exn.slot
+ %2 = extractvalue { i8*, i32 } %0, 1
+ store i32 %2, i32* %ehselector.slot
+ br label %catch
+
+; CHECK-NOT: catch:
+; CHECK-NOT: @handle_exception()
+
+catch: ; preds = %lpad
+ %exn = load i8*, i8** %exn.slot
+ call void @llvm.eh.begincatch(i8* %exn, i8* null) #1
+ call void @handle_exception()
+ call void @llvm.eh.endcatch() #1
+ br label %try.cont
+
+try.cont: ; preds = %catch, %invoke.cont
+ ret void
+
+; CHECK: }
+}
+
+; CHECK: define internal i8* @test.catch()
+; CHECK: call i8* @llvm.frameaddress(i32 1)
+; CHECK: call i8* @llvm.x86.seh.recoverfp(i8* bitcast (void ()* @test to i8*), i8* %{{.*}})
+; CHECK: call void @handle_exception()
+; CHECK: ret i8* blockaddress(@test, %try.cont)
+; CHECK: }
+
+
+declare void @may_throw() #0
+
+declare i32 @__CxxFrameHandler3(...)
+
+; Function Attrs: nounwind
+declare void @llvm.eh.begincatch(i8* nocapture, i8* nocapture) #1
+
+declare void @handle_exception() #0
+
+; Function Attrs: nounwind
+declare void @llvm.eh.endcatch() #1
+
+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" }
+attributes #1 = { nounwind }
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