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Diffstat (limited to 'test/CodeGen/X86/sjlj-eh.ll')
-rw-r--r-- | test/CodeGen/X86/sjlj-eh.ll | 72 |
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 + |