Fix PR4865. This syncs up the JIT's DWARF emitter with what's in the

'DwarfException.cpp' file, which changed how CIEs were emitted, the sizes of
some fields, etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81295 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 141 insertions, 0 deletions

diff --git a/test/ExecutionEngine/jit-eh-x86-64.ll b/test/ExecutionEngine/jit-eh-x86-64.ll
new file mode 100644
index 0000000..bd15974
--- /dev/null
+++ b/test/ExecutionEngine/jit-eh-x86-64.ll
@@ -0,0 +1,141 @@
+; RUN: llvm-as %s -o %t.bc
+; RUN: lli -march=x86-64 %t.bc > /dev/null
+; PR4865
+
+%struct.__fundamental_type_info_pseudo = type { %struct.__type_info_pseudo }
+%struct.__type_info_pseudo = type { i8*, i8* }
+
+@_ZTIi = external constant %struct.__fundamental_type_info_pseudo ; <%struct.__fundamental_type_info_pseudo*> [#uses=1]
+@.str = private constant [3 x i8] c"ok\00", align 1 ; <[3 x i8]*> [#uses=1]
+
+define i32 @main() ssp {
+entry:
+  %retval = alloca i32                            ; <i32*> [#uses=2]
+  %save_filt.5 = alloca i32                       ; <i32*> [#uses=2]
+  %save_eptr.4 = alloca i8*                       ; <i8**> [#uses=2]
+  %0 = alloca i32                                 ; <i32*> [#uses=2]
+  %eh_exception = alloca i8*                      ; <i8**> [#uses=10]
+  %eh_selector = alloca i32                       ; <i32*> [#uses=5]
+  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
+  invoke void @_ZL3foov() ssp
+          to label %invcont unwind label %lpad
+
+invcont:                                          ; preds = %entry
+  br label %bb6
+
+bb:                                               ; preds = %ppad
+  %eh_value = load i8** %eh_exception             ; <i8*> [#uses=1]
+  %1 = call i8* @__cxa_begin_catch(i8* %eh_value) nounwind ; <i8*> [#uses=0]
+  %2 = invoke i32 @puts(i8* getelementptr inbounds ([3 x i8]* @.str, i32 0, i32 0))
+          to label %invcont1 unwind label %lpad10 ; <i32> [#uses=0]
+
+invcont1:                                         ; preds = %bb
+  call void @__cxa_end_catch()
+  br label %bb6
+
+bb2:                                              ; preds = %ppad18
+  %eh_select = load i32* %eh_selector             ; <i32> [#uses=1]
+  store i32 %eh_select, i32* %save_filt.5, align 4
+  %eh_value3 = load i8** %eh_exception            ; <i8*> [#uses=1]
+  store i8* %eh_value3, i8** %save_eptr.4, align 4
+  invoke void @__cxa_end_catch()
+          to label %invcont4 unwind label %lpad14
+
+invcont4:                                         ; preds = %bb2
+  %3 = load i8** %save_eptr.4, align 4            ; <i8*> [#uses=1]
+  store i8* %3, i8** %eh_exception, align 4
+  %4 = load i32* %save_filt.5, align 4            ; <i32> [#uses=1]
+  store i32 %4, i32* %eh_selector, align 4
+  br label %Unwind
+
+bb5:                                              ; preds = %ppad19
+  call void @_ZSt9terminatev() noreturn nounwind
+  unreachable
+
+bb6:                                              ; preds = %invcont1, %invcont
+  store i32 0, i32* %0, align 4
+  %5 = load i32* %0, align 4                      ; <i32> [#uses=1]
+  store i32 %5, i32* %retval, align 4
+  br label %return
+
+return:                                           ; preds = %bb6
+  %retval7 = load i32* %retval                    ; <i32> [#uses=1]
+  ret i32 %retval7
+
+lpad:                                             ; preds = %entry
+  %eh_ptr = call i8* @llvm.eh.exception()         ; <i8*> [#uses=1]
+  store i8* %eh_ptr, i8** %eh_exception
+  %eh_ptr8 = load i8** %eh_exception              ; <i8*> [#uses=1]
+  %eh_select9 = call i32 (i8*, i8*, ...)* @llvm.eh.selector.i32(i8* %eh_ptr8, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i8* null) ; <i32> [#uses=1]
+  store i32 %eh_select9, i32* %eh_selector
+  br label %ppad
+
+lpad10:                                           ; preds = %bb
+  %eh_ptr11 = call i8* @llvm.eh.exception()       ; <i8*> [#uses=1]
+  store i8* %eh_ptr11, i8** %eh_exception
+  %eh_ptr12 = load i8** %eh_exception             ; <i8*> [#uses=1]
+  %eh_select13 = call i32 (i8*, i8*, ...)* @llvm.eh.selector.i32(i8* %eh_ptr12, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i8* null) ; <i32> [#uses=1]
+  store i32 %eh_select13, i32* %eh_selector
+  br label %ppad18
+
+lpad14:                                           ; preds = %bb2
+  %eh_ptr15 = call i8* @llvm.eh.exception()       ; <i8*> [#uses=1]
+  store i8* %eh_ptr15, i8** %eh_exception
+  %eh_ptr16 = load i8** %eh_exception             ; <i8*> [#uses=1]
+  %eh_select17 = call i32 (i8*, i8*, ...)* @llvm.eh.selector.i32(i8* %eh_ptr16, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i32 1) ; <i32> [#uses=1]
+  store i32 %eh_select17, i32* %eh_selector
+  br label %ppad19
+
+ppad:                                             ; preds = %lpad
+  br label %bb
+
+ppad18:                                           ; preds = %lpad10
+  br label %bb2
+
+ppad19:                                           ; preds = %lpad14
+  br label %bb5
+
+Unwind:                                           ; preds = %invcont4
+  %eh_ptr20 = load i8** %eh_exception             ; <i8*> [#uses=1]
+  call void @_Unwind_Resume_or_Rethrow(i8* %eh_ptr20)
+  unreachable
+}
+
+define internal void @_ZL3foov() ssp {
+entry:
+  %0 = alloca i8*                                 ; <i8**> [#uses=3]
+  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
+  %1 = call i8* @__cxa_allocate_exception(i32 4) nounwind ; <i8*> [#uses=1]
+  store i8* %1, i8** %0, align 4
+  %2 = load i8** %0, align 4                      ; <i8*> [#uses=1]
+  %3 = bitcast i8* %2 to i32*                     ; <i32*> [#uses=1]
+  store i32 42, i32* %3, align 4
+  %4 = load i8** %0, align 4                      ; <i8*> [#uses=1]
+  call void @__cxa_throw(i8* %4, i8* bitcast (%struct.__fundamental_type_info_pseudo* @_ZTIi to i8*), void (i8*)* null) noreturn
+  unreachable
+
+return:                                           ; No predecessors!
+  ret void
+}
+
+declare i8* @__cxa_allocate_exception(i32) nounwind
+
+declare void @__cxa_throw(i8*, i8*, void (i8*)*) noreturn
+
+declare i8* @__cxa_begin_catch(i8*) nounwind
+
+declare i8* @llvm.eh.exception() nounwind
+
+declare i32 @llvm.eh.selector.i32(i8*, i8*, ...) nounwind
+
+declare i32 @llvm.eh.typeid.for.i32(i8*) nounwind
+
+declare i32 @puts(i8*)
+
+declare void @__cxa_end_catch()
+
+declare void @_ZSt9terminatev() noreturn nounwind
+
+declare i32 @__gxx_personality_v0(...)
+
+declare void @_Unwind_Resume_or_Rethrow(i8*)