<div dir="ltr">On ARM bot too<div><a href="http://lab.llvm.org:8011/builders/clang-native-arm-cortex-a9/builds/18388">http://lab.llvm.org:8011/builders/clang-native-arm-cortex-a9/builds/18388</a><br></div></div><div class="gmail_extra">
<br><br><div class="gmail_quote">2014-05-13 16:59 GMT+04:00 Aaron Ballman <span dir="ltr"><<a href="mailto:aaron@aaronballman.com" target="_blank">aaron@aaronballman.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
This test is currently failing for me on Windows (MSVC built).<br>
<br>
20> FAIL: LLVM :: CodeGen/ARM/big-endian-eh-unwind.ll (936 of 10743)<br>
20> ******************** TEST 'LLVM ::<br>
CodeGen/ARM/big-endian-eh-unwind.ll' FAILED ********************<br>
20> Script:<br>
20> --<br>
20> E:/llvm/2013/Debug/bin\llc.EXE -march armeb -mattr v7 -filetype<br>
obj -o - E:\llvm\llvm\test\CodeGen\ARM\big-endian-eh-unwind.ll |<br>
E:/llvm/2013/Debug/bin\llvm-objdump.EXE -s - |<br>
E:/llvm/2013/Debug/bin\FileCheck.EXE<br>
E:\llvm\llvm\test\CodeGen\ARM\big-endian-eh-unwind.ll<br>
20> --<br>
20> Exit Code: 2<br>
20><br>
20> Command Output (stdout):<br>
20> --<br>
20> Command 0: "E:/llvm/2013/Debug/bin\llc.EXE" "-march" "armeb"<br>
<div class="">"-mattr" "v7" "-filetype" "obj" "-o" "-"<br>
</div>"E:\llvm\llvm\test\CodeGen\ARM\big-endian-eh-unwind.ll"<br>
20> Command 0 Result: 1<br>
20> Command 0 Output:<br>
20><br>
20><br>
20> Command 0 Stderr:<br>
20>CUSTOMBUILD : LLVM error : CPU: 'generic' does not support ARM mode<br>
execution!<br>
20><br>
20> Stack dump:<br>
20><br>
20> 0. Program arguments: E:/llvm/2013/Debug/bin\llc.EXE -march armeb<br>
<div class="">-mattr v7 -filetype obj -o -<br>
</div>E:\llvm\llvm\test\CodeGen\ARM\big-endian-eh-unwind.ll<br>
20><br>
20><br>
20><br>
20> Command 1: "E:/llvm/2013/Debug/bin\llvm-objdump.EXE" "-s" "-"<br>
20> Command 1 Result: 0<br>
20> Command 1 Output:<br>
20><br>
20><br>
20> Command 1 Stderr:<br>
20> E:/llvm/2013/Debug/bin\llvm-objdump.EXE: '-': The file was not<br>
recognized as a valid object file.<br>
20><br>
20><br>
20><br>
20> Command 2: "E:/llvm/2013/Debug/bin\FileCheck.EXE"<br>
"E:\llvm\llvm\test\CodeGen\ARM\big-endian-eh-unwind.ll"<br>
20> Command 2 Result: 2<br>
20> Command 2 Output:<br>
20><br>
20><br>
20> Command 2 Stderr:<br>
20>CUSTOMBUILD : FileCheck error : '-' is empty.<br>
20><br>
20><br>
20><br>
20><br>
20> --<br>
20><br>
20> ********************<br>
<span class="HOEnZb"><font color="#888888"><br>
~Aaron<br>
</font></span><div class="HOEnZb"><div class="h5"><br>
On Tue, May 13, 2014 at 7:41 AM, Christian Pirker <<a href="mailto:cpirker@a-bix.com">cpirker@a-bix.com</a>> wrote:<br>
> Author: cpirker<br>
> Date: Tue May 13 06:41:49 2014<br>
> New Revision: 208689<br>
><br>
> URL: <a href="http://llvm.org/viewvc/llvm-project?rev=208689&view=rev" target="_blank">http://llvm.org/viewvc/llvm-project?rev=208689&view=rev</a><br>
> Log:<br>
> ARMEB: Fix byte order of EH frame unwinding instructions<br>
><br>
> Added:<br>
> llvm/trunk/test/CodeGen/ARM/big-endian-eh-unwind.ll<br>
> Modified:<br>
> llvm/trunk/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp<br>
><br>
> Modified: llvm/trunk/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp<br>
> URL: <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp?rev=208689&r1=208688&r2=208689&view=diff" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp?rev=208689&r1=208688&r2=208689&view=diff</a><br>
> ==============================================================================<br>
> --- llvm/trunk/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp (original)<br>
> +++ llvm/trunk/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp Tue May 13 06:41:49 2014<br>
> @@ -1137,8 +1137,11 @@ void ARMELFStreamer::emitFnEnd() {<br>
> "Compact model must use __aeabi_cpp_unwind_pr0 as personality");<br>
> assert(Opcodes.size() == 4u &&<br>
> "Unwind opcode size for __aeabi_cpp_unwind_pr0 must be equal to 4");<br>
> - EmitBytes(StringRef(reinterpret_cast<const char*>(Opcodes.data()),<br>
> - Opcodes.size()));<br>
> + uint64_t Intval = Opcodes[0] |<br>
> + Opcodes[1] << 8 |<br>
> + Opcodes[2] << 16 |<br>
> + Opcodes[3] << 24;<br>
> + EmitIntValue(Intval, Opcodes.size());<br>
> }<br>
><br>
> // Switch to the section containing FnStart<br>
> @@ -1210,8 +1213,15 @@ void ARMELFStreamer::FlushUnwindOpcodes(<br>
> }<br>
><br>
> // Emit unwind opcodes<br>
> - EmitBytes(StringRef(reinterpret_cast<const char *>(Opcodes.data()),<br>
> - Opcodes.size()));<br>
> + assert((Opcodes.size() % 4) == 0 &&<br>
> + "Unwind opcode size for __aeabi_cpp_unwind_pr0 must be multiple of 4");<br>
> + for (unsigned I = 0; I != Opcodes.size(); I += 4) {<br>
> + uint64_t Intval = Opcodes[I] |<br>
> + Opcodes[I + 1] << 8 |<br>
> + Opcodes[I + 2] << 16 |<br>
> + Opcodes[I + 3] << 24;<br>
> + EmitIntValue(Intval, 4);<br>
> + }<br>
><br>
> // According to ARM EHABI section 9.2, if the __aeabi_unwind_cpp_pr1() or<br>
> // __aeabi_unwind_cpp_pr2() is used, then the handler data must be emitted<br>
><br>
> Added: llvm/trunk/test/CodeGen/ARM/big-endian-eh-unwind.ll<br>
> URL: <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/big-endian-eh-unwind.ll?rev=208689&view=auto" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/big-endian-eh-unwind.ll?rev=208689&view=auto</a><br>
> ==============================================================================<br>
> --- llvm/trunk/test/CodeGen/ARM/big-endian-eh-unwind.ll (added)<br>
> +++ llvm/trunk/test/CodeGen/ARM/big-endian-eh-unwind.ll Tue May 13 06:41:49 2014<br>
> @@ -0,0 +1,73 @@<br>
> +; RUN: llc -march armeb -mattr v7 -filetype obj -o - %s | llvm-objdump -s - | FileCheck %s<br>
> +<br>
> +; ARM EHABI for big endian<br>
> +; This test case checks whether frame unwinding instructions are laid out in big endian format.<br>
> +;<br>
> +; This is the LLVM assembly generated from following C++ code:<br>
> +;<br>
> +; extern void foo(int);<br>
> +; void test(int a, int b) {<br>
> +; try {<br>
> +; foo(a);<br>
> +; } catch (...) {<br>
> +; foo(b);<br>
> +; }<br>
> +;}<br>
> +<br>
> +define void @_Z4testii(i32 %a, i32 %b) #0 {<br>
> +entry:<br>
> + invoke void @_Z3fooi(i32 %a)<br>
> + to label %try.cont unwind label %lpad<br>
> +<br>
> +lpad: ; preds = %entry<br>
> + %0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)<br>
> + catch i8* null<br>
> + %1 = extractvalue { i8*, i32 } %0, 0<br>
> + %2 = tail call i8* @__cxa_begin_catch(i8* %1) #2<br>
> + invoke void @_Z3fooi(i32 %b)<br>
> + to label %invoke.cont2 unwind label %lpad1<br>
> +<br>
> +invoke.cont2: ; preds = %lpad<br>
> + tail call void @__cxa_end_catch()<br>
> + br label %try.cont<br>
> +<br>
> +try.cont: ; preds = %entry, %invoke.cont2<br>
> + ret void<br>
> +<br>
> +lpad1: ; preds = %lpad<br>
> + %3 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)<br>
> + cleanup<br>
> + invoke void @__cxa_end_catch()<br>
> + to label %eh.resume unwind label %terminate.lpad<br>
> +<br>
> +eh.resume: ; preds = %lpad1<br>
> + resume { i8*, i32 } %3<br>
> +<br>
> +terminate.lpad: ; preds = %lpad1<br>
> + %4 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)<br>
> + catch i8* null<br>
> + %5 = extractvalue { i8*, i32 } %4, 0<br>
> + tail call void @__clang_call_terminate(i8* %5) #3<br>
> + unreachable<br>
> +}<br>
> +<br>
> +declare void @_Z3fooi(i32) #0<br>
> +<br>
> +declare i32 @__gxx_personality_v0(...)<br>
> +<br>
> +declare i8* @__cxa_begin_catch(i8*)<br>
> +<br>
> +declare void @__cxa_end_catch()<br>
> +<br>
> +; Function Attrs: noinline noreturn nounwind<br>
> +define linkonce_odr hidden void @__clang_call_terminate(i8*) #1 {<br>
> + %2 = tail call i8* @__cxa_begin_catch(i8* %0) #2<br>
> + tail call void @_ZSt9terminatev() #3<br>
> + unreachable<br>
> +}<br>
> +<br>
> +declare void @_ZSt9terminatev()<br>
> +<br>
> +; CHECK-LABEL: Contents of section .ARM.extab:<br>
> +; CHECK-NEXT: 0000 00000000 00b0b0b0<br>
> +<br>
><br>
><br>
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</div></div></blockquote></div><br></div>