1 files changed, 138 insertions, 0 deletions
diff --git a/test/CodeGen/WinEH/seh-simple.ll b/test/CodeGen/WinEH/seh-simple.ll
new file mode 100644
index 0000000..26b3f83
--- /dev/null
+++ b/test/CodeGen/WinEH/seh-simple.ll
@@ -0,0 +1,138 @@
+; RUN: opt -S -winehprepare -sehprepare -mtriple=x86_64-windows-msvc < %s | FileCheck %s
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-pc-windows-msvc"
+
+declare void @cleanup()
+declare i32 @filt()
+declare void @might_crash()
+declare i32 @__C_specific_handler(...)
+declare i32 @llvm.eh.typeid.for(i8*)
+
+define i32 @simple_except_store() {
+entry:
+  %retval = alloca i32
+  store i32 0, i32* %retval
+  invoke void @might_crash()
+          to label %return unwind label %lpad
+
+lpad:
+  %ehvals = landingpad { i8*, i32 } personality i32 (...)* @__C_specific_handler
+          catch i32 ()* @filt
+  %sel = extractvalue { i8*, i32 } %ehvals, 1
+  %filt_sel = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i32 ()* @filt to i8*))
+  %matches = icmp eq i32 %sel, %filt_sel
+  br i1 %matches, label %__except, label %eh.resume
+
+__except:
+  store i32 1, i32* %retval
+  br label %return
+
+return:
+  %r = load i32, i32* %retval
+  ret i32 %r
+
+eh.resume:
+  resume { i8*, i32 } %ehvals
+}
+
+; CHECK-LABEL: define i32 @simple_except_store()
+; CHECK: landingpad { i8*, i32 }
+; CHECK-NEXT: catch i32 ()* @filt
+; CHECK-NEXT: call i8* (...)* @llvm.eh.actions(i32 1, i8* bitcast (i32 ()* @filt to i8*), i8* null, i8* blockaddress(@simple_except_store, %__except))
+; CHECK-NEXT: indirectbr {{.*}} [label %__except]
+
+define i32 @catch_all() {
+entry:
+  %retval = alloca i32
+  store i32 0, i32* %retval
+  invoke void @might_crash()
+          to label %return unwind label %lpad
+
+lpad:
+  %ehvals = landingpad { i8*, i32 } personality i32 (...)* @__C_specific_handler
+          catch i8* null
+  store i32 1, i32* %retval
+  br label %return
+
+return:
+  %r = load i32, i32* %retval
+  ret i32 %r
+}
+
+; CHECK-LABEL: define i32 @catch_all()
+; CHECK: landingpad { i8*, i32 }
+; CHECK-NEXT: catch i8* null
+; CHECK-NEXT: call i8* (...)* @llvm.eh.actions(i32 1, i8* null, i8* null, i8* blockaddress(@catch_all, %catch.all))
+; CHECK-NEXT: indirectbr {{.*}} [label %catch.all]
+;
+; CHECK: catch.all:
+; CHECK: store i32 1, i32* %retval
+
+
+define i32 @except_phi() {
+entry:
+  invoke void @might_crash()
+          to label %return unwind label %lpad
+
+lpad:
+  %ehvals = landingpad { i8*, i32 } personality i32 (...)* @__C_specific_handler
+          catch i32 ()* @filt
+  %sel = extractvalue { i8*, i32 } %ehvals, 1
+  %filt_sel = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i32 ()* @filt to i8*))
+  %matches = icmp eq i32 %sel, %filt_sel
+  br i1 %matches, label %return, label %eh.resume
+
+return:
+  %r = phi i32 [0, %entry], [1, %lpad]
+  ret i32 %r
+
+eh.resume:
+  resume { i8*, i32 } %ehvals
+}
+
+; CHECK-LABEL: define i32 @except_phi()
+; CHECK: landingpad { i8*, i32 }
+; CHECK-NEXT: catch i32 ()* @filt
+; CHECK-NEXT: call i8* (...)* @llvm.eh.actions(i32 1, i8* bitcast (i32 ()* @filt to i8*), i8* null, i8* blockaddress(@except_phi, %return))
+; CHECK-NEXT: indirectbr {{.*}} [label %return]
+;
+; CHECK: return:
+; CHECK-NEXT: %r = phi i32 [ 0, %entry ], [ 1, %lpad1 ]
+; CHECK-NEXT: ret i32 %r
+
+define i32 @cleanup_and_except() {
+entry:
+  invoke void @might_crash()
+          to label %return unwind label %lpad
+
+lpad:
+  %ehvals = landingpad { i8*, i32 } personality i32 (...)* @__C_specific_handler
+          cleanup
+          catch i32 ()* @filt
+  call void @cleanup()
+  %sel = extractvalue { i8*, i32 } %ehvals, 1
+  %filt_sel = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i32 ()* @filt to i8*))
+  %matches = icmp eq i32 %sel, %filt_sel
+  br i1 %matches, label %return, label %eh.resume
+
+return:
+  %r = phi i32 [0, %entry], [1, %lpad]
+  ret i32 %r
+
+eh.resume:
+  resume { i8*, i32 } %ehvals
+}
+
+; CHECK-LABEL: define i32 @cleanup_and_except()
+; CHECK: landingpad { i8*, i32 }
+; CHECK-NEXT: cleanup
+; CHECK-NEXT: catch i32 ()* @filt
+; CHECK-NEXT: call i8* (...)* @llvm.eh.actions(
+; CHECK: i32 0, void (i8*, i8*)* @cleanup_and_except.cleanup,
+; CHECK: i32 1, i8* bitcast (i32 ()* @filt to i8*), i8* null, i8* blockaddress(@cleanup_and_except, %return))
+; CHECK-NEXT: indirectbr {{.*}} [label %return]
+;
+; CHECK: return:
+; CHECK-NEXT: %r = phi i32 [ 0, %entry ], [ 1, %lpad1 ]
+; CHECK-NEXT: ret i32 %r