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-rw-r--r--test/CodeGen/X86/throws-cfi-fp.ll98
1 files changed, 98 insertions, 0 deletions
diff --git a/test/CodeGen/X86/throws-cfi-fp.ll b/test/CodeGen/X86/throws-cfi-fp.ll
new file mode 100644
index 000000000000..bacd965054c9
--- /dev/null
+++ b/test/CodeGen/X86/throws-cfi-fp.ll
@@ -0,0 +1,98 @@
+; RUN: llc %s -o - | FileCheck %s
+
+; ModuleID = 'throws-cfi-fp.cpp'
+source_filename = "throws-cfi-fp.cpp"
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+$__clang_call_terminate = comdat any
+
+@_ZL11ShouldThrow = internal unnamed_addr global i1 false, align 1
+@_ZTIi = external constant i8*
+@str = private unnamed_addr constant [20 x i8] c"Threw an exception!\00"
+
+; Function Attrs: uwtable
+define void @_Z6throwsv() #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
+
+; CHECK-LABEL: _Z6throwsv:
+; CHECK: popq %rbp
+; CHECK-NEXT: .cfi_def_cfa %rsp, 8
+; CHECK-NEXT: retq
+; CHECK-NEXT: .LBB0_1:
+; CHECK-NEXT: .cfi_def_cfa %rbp, 16
+
+entry:
+ %.b5 = load i1, i1* @_ZL11ShouldThrow, align 1
+ br i1 %.b5, label %if.then, label %try.cont
+
+if.then: ; preds = %entry
+ %exception = tail call i8* @__cxa_allocate_exception(i64 4)
+ %0 = bitcast i8* %exception to i32*
+ store i32 1, i32* %0, align 16
+ invoke void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null)
+ to label %unreachable unwind label %lpad
+
+lpad: ; preds = %if.then
+ %1 = landingpad { i8*, i32 }
+ catch i8* null
+ %2 = extractvalue { i8*, i32 } %1, 0
+ %3 = tail call i8* @__cxa_begin_catch(i8* %2)
+ %puts = tail call i32 @puts(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @str, i64 0, i64 0))
+ invoke void @__cxa_rethrow()
+ to label %unreachable unwind label %lpad1
+
+lpad1: ; preds = %lpad
+ %4 = landingpad { i8*, i32 }
+ cleanup
+ invoke void @__cxa_end_catch()
+ to label %eh.resume unwind label %terminate.lpad
+
+try.cont: ; preds = %entry
+ ret void
+
+eh.resume: ; preds = %lpad1
+ resume { i8*, i32 } %4
+
+terminate.lpad: ; preds = %lpad1
+ %5 = landingpad { i8*, i32 }
+ catch i8* null
+ %6 = extractvalue { i8*, i32 } %5, 0
+ tail call void @__clang_call_terminate(i8* %6)
+ unreachable
+
+unreachable: ; preds = %lpad, %if.then
+ unreachable
+}
+
+declare i8* @__cxa_allocate_exception(i64)
+
+declare void @__cxa_throw(i8*, i8*, i8*)
+
+declare i32 @__gxx_personality_v0(...)
+
+declare i8* @__cxa_begin_catch(i8*)
+
+declare void @__cxa_rethrow()
+
+declare void @__cxa_end_catch()
+
+; Function Attrs: noinline noreturn nounwind
+declare void @__clang_call_terminate(i8*)
+
+declare void @_ZSt9terminatev()
+
+; Function Attrs: nounwind
+declare i32 @puts(i8* nocapture readonly)
+
+attributes #0 = { "no-frame-pointer-elim"="true" }
+
+!llvm.dbg.cu = !{!2}
+!llvm.module.flags = !{!8, !9, !10}
+
+!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 6.0.0 (https://github.com/llvm-mirror/clang.git 316ebefb7fff8ad324a08a694347500b6cd7c95f) (https://github.com/llvm-mirror/llvm.git dcae9be81fc17cdfbe989402354d3c8ecd0a2c79)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
+!3 = !DIFile(filename: "throws-cfi-fp.cpp", directory: "epilogue-dwarf/test")
+!4 = !{}
+!5 = !{}
+!8 = !{i32 2, !"Dwarf Version", i32 4}
+!9 = !{i32 2, !"Debug Info Version", i32 3}
+!10 = !{i32 1, !"wchar_size", i32 4}