diff options
Diffstat (limited to 'test/CodeGen/ARM')
-rw-r--r-- | test/CodeGen/ARM/ehabi-handlerdata-nounwind.ll | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/ehabi-handlerdata-nounwind.ll b/test/CodeGen/ARM/ehabi-handlerdata-nounwind.ll new file mode 100644 index 0000000000..42ca9888ab --- /dev/null +++ b/test/CodeGen/ARM/ehabi-handlerdata-nounwind.ll @@ -0,0 +1,61 @@ +; Test for handlerdata when the function has landingpad and nounwind. + +; This test case checks whether the handlerdata is generated for the function +; with landingpad instruction, even if the function has "nounwind" atttribute. +; +; For example, although the following function never throws any exception, +; however, it is still required to generate LSDA, otherwise, we can't catch +; the exception properly. +; +; void test1() noexcept { +; try { +; throw_exception(); +; } catch (...) { +; } +; } + +; RUN: llc -mtriple arm-unknown-linux-gnueabi -filetype=asm -o - %s \ +; RUN: | FileCheck %s + +declare void @throw_exception() + +declare i32 @__gxx_personality_v0(...) + +declare i8* @__cxa_begin_catch(i8*) + +declare void @__cxa_end_catch() + +define void @test1() nounwind { +entry: + invoke void @throw_exception() to label %try.cont unwind label %lpad + +lpad: + %0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) + 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 +} + +; CHECK: .globl test1 +; CHECK: .align 2 +; CHECK: .type test1,%function +; CHECK-LABEL: test1: +; CHECK: .fnstart + +; CHECK-NOT: .cantunwind + +; CHECK: .personality __gxx_personality_v0 +; CHECK: .handlerdata +; CHECK: .align 2 +; CHECK-LABEL: GCC_except_table0: +; CHECK-LABEL: .Lexception0: +; CHECK: .byte 255 @ @LPStart Encoding = omit +; CHECK: .byte 0 @ @TType Encoding = absptr +; CHECK: .asciz +; CHECK: .byte 3 @ Call site Encoding = udata4 +; CHECK: .fnend |