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-rw-r--r--test/CodeGen/X86/sjlj-eh.ll72
1 files changed, 72 insertions, 0 deletions
diff --git a/test/CodeGen/X86/sjlj-eh.ll b/test/CodeGen/X86/sjlj-eh.ll
new file mode 100644
index 000000000000..4d2e4e821f42
--- /dev/null
+++ b/test/CodeGen/X86/sjlj-eh.ll
@@ -0,0 +1,72 @@
+; RUN: llc -mtriple i386-windows-gnu -exception-model sjlj -filetype asm -o - %s | FileCheck %s
+
+declare void @_Z20function_that_throwsv()
+declare i32 @__gxx_personality_sj0(...)
+declare i8* @__cxa_begin_catch(i8*)
+declare void @__cxa_end_catch()
+
+define void @_Z8functionv() personality i8* bitcast (i32 (...)* @__gxx_personality_sj0 to i8*) {
+entry:
+ invoke void @_Z20function_that_throwsv()
+ to label %try.cont unwind label %lpad
+
+lpad:
+ %0 = landingpad { i8*, i32 }
+ catch i8* null
+ %1 = extractvalue { i8*, i32 } %0, 0
+ %2 = tail call i8* @__cxa_begin_catch(i8* %1)
+ tail call void @__cxa_end_catch()
+ br label %try.cont
+
+try.cont:
+ ret void
+}
+
+; struct _Unwind_FunctionContext {
+; +00 struct _Unwind_FunctionContext *prev; -64(%ebp)
+; +04 uintptr_t __callsite; -60(%ebp)
+; +08 uintptr_t __buffer[4]; -44(%ebp)
+; +28 __personality_routine __personality; -40(%ebp)
+; +32 uintptr_t __lsda; -36(%ebp)
+; +36 void *__jbuf[]; -32(%ebp)
+; };
+
+
+; CHECK-LABEL: __Z8functionv:
+; struct _Unwind_FunctionContext UFC;
+;
+; UFC.__personality = __gxx_personality_sj0
+; CHECK: movl $___gxx_personality_sj0, -40(%ebp)
+; UFC.__lsda = $LSDA
+; CHECK: movl $[[LSDA:GCC_except_table[0-9]+]], -36(%ebp)
+; UFC.__jbuf[0] = $EBP
+; CHECK: movl %ebp, -32(%ebp)
+; UFC.__jbuf[2] = $ESP
+; CHECK: movl %esp, -24(%ebp)
+; UFC.__jbuf[1] = $EIP
+; CHECK: movl $[[RESUME:LBB[0-9]+_[0-9]+]], -28(%ebp)
+; UFC.__callsite = 1
+; CHECK: movl $1, -60(%ebp)
+; _Unwind_SjLj_Register(&UFC);
+; CHECK: leal -64(%ebp), %eax
+; CHECK: pushl %eax
+; CHECK: calll __Unwind_SjLj_Register
+; CHECK: addl $4, %esp
+; function_that_throws();
+; CHECK: calll __Z20function_that_throwsv
+; _Unwind_SjLj_Unregister(&UFC);
+; CHECK: leal -64(%ebp), %eax
+; CHECK: calll __Unwind_SjLj_Unregister
+;
+; CHECK: [[RESUME]]:
+; CHECK: leal -64(%ebp), %esi
+; assert(UFC.__callsite <= 1);
+; CHECK: movl -60(%ebp), %eax
+; CHECK: cmpl $1, %eax
+; CHECK: jbe [[CONT:LBB[0-9]+_[0-9]+]]
+; CHECK: ud2
+; CHECK: [[CONT]]:
+; *Handlers[--UFC.__callsite]
+; CHECK: subl $1, %eax
+; CHECK: jmpl *LJTI
+