From: Reid Kleckner <rnk@google.com>
Date: Wed, 7 Oct 2015 23:55:06 +0000 (+0000)
Subject: [WinEH] Add missing test case for llvm.eh.exceptioncode
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d93522e23e5023532dc54e4be6d8a78f2f1ee5ef;p=oota-llvm.git

[WinEH] Add missing test case for llvm.eh.exceptioncode

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249638 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/CodeGen/X86/seh-exception-code.ll b/test/CodeGen/X86/seh-exception-code.ll
new file mode 100644
index 00000000000..28e93617bba
--- /dev/null
+++ b/test/CodeGen/X86/seh-exception-code.ll
@@ -0,0 +1,41 @@
+; RUN: llc < %s | FileCheck %s
+
+target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-pc-windows-msvc"
+
+declare void @f(i32)
+declare i32 @__C_specific_handler(...)
+declare i32 @llvm.eh.exceptioncode(token)
+
+define void @ehcode() personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) {
+entry:
+  invoke void @f(i32 0)
+          to label %__try.cont unwind label %catch.dispatch
+
+catch.dispatch:                                   ; preds = %entry
+  %pad = catchpad [i8* null]
+          to label %__except unwind label %catchendblock
+
+__except:                                         ; preds = %catch.dispatch
+  catchret %pad to label %__except.1
+
+__except.1:                                       ; preds = %__except
+  %code = call i32 @llvm.eh.exceptioncode(token %pad)
+  call void @f(i32 %code)
+  br label %__try.cont
+
+__try.cont:                                       ; preds = %entry, %__except.1
+  ret void
+
+catchendblock:                                    ; preds = %catch.dispatch
+  catchendpad unwind to caller
+}
+
+; CHECK-LABEL: ehcode:
+; CHECK: xorl %ecx, %ecx
+; CHECK: callq f
+; CHECK: retq
+
+; CHECK: # %__except
+; CHECK-NEXT: movl %eax, %ecx
+; CHECK-NEXT: callq f