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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2013-02-05 18:04:15 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2013-02-05 18:04:15 +0000 |
| commit | 7088fb60ed3ecd0949c471c8c6c8acc3b39b934b (patch) | |
| tree | b4161772d8b4629639e502bacfbf2820e8c236b2 /test/CodeGen/X86/2008-08-31-EH_RETURN64.ll | |
| parent | c3afc760e1a49f29634b7442a3d38bc88a1f113e (diff) | |
| download | external_llvm-7088fb60ed3ecd0949c471c8c6c8acc3b39b934b.zip external_llvm-7088fb60ed3ecd0949c471c8c6c8acc3b39b934b.tar.gz external_llvm-7088fb60ed3ecd0949c471c8c6c8acc3b39b934b.tar.bz2 | |
Add a test case for PR14750.
This was fixed by r174402.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174405 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/2008-08-31-EH_RETURN64.ll')
| -rw-r--r-- | test/CodeGen/X86/2008-08-31-EH_RETURN64.ll | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/test/CodeGen/X86/2008-08-31-EH_RETURN64.ll b/test/CodeGen/X86/2008-08-31-EH_RETURN64.ll index d423bfc..496779c 100644 --- a/test/CodeGen/X86/2008-08-31-EH_RETURN64.ll +++ b/test/CodeGen/X86/2008-08-31-EH_RETURN64.ll @@ -1,10 +1,15 @@ ; Check that eh_return & unwind_init were properly lowered -; RUN: llc < %s | grep %rbp | count 7 -; RUN: llc < %s | grep %rcx | count 3 +; RUN: llc < %s -verify-machineinstrs | FileCheck %s target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" target triple = "x86_64-unknown-linux-gnu" +; CHECK: test +; CHECK: pushq %rbp +; CHECK: movq %rsp, %rbp +; CHECK: popq %rbp +; CHECK: movq %rcx, %rsp +; CHECK: ret # eh_return, addr: %rcx define i8* @test(i64 %a, i8* %b) { entry: call void @llvm.eh.unwind.init() @@ -15,3 +20,36 @@ entry: declare void @llvm.eh.return.i64(i64, i8*) declare void @llvm.eh.unwind.init() + +@b = common global i32 0, align 4 +@a = common global i32 0, align 4 + +; PR14750 +; This function contains a normal return as well as eh_return. +; CHECK: _Unwind_Resume_or_Rethrow +define i32 @_Unwind_Resume_or_Rethrow() nounwind uwtable ssp { +entry: + %0 = load i32* @b, align 4 + %tobool = icmp eq i32 %0, 0 + br i1 %tobool, label %if.end, label %if.then + +if.then: ; preds = %entry + ret i32 0 + +if.end: ; preds = %entry + %call = tail call i32 (...)* @_Unwind_ForcedUnwind_Phase2() nounwind + store i32 %call, i32* @a, align 4 + %tobool1 = icmp eq i32 %call, 0 + br i1 %tobool1, label %cond.end, label %cond.true + +cond.true: ; preds = %if.end + tail call void @abort() noreturn nounwind + unreachable + +cond.end: ; preds = %if.end + tail call void @llvm.eh.return.i64(i64 0, i8* null) + unreachable +} + +declare i32 @_Unwind_ForcedUnwind_Phase2(...) +declare void @abort() noreturn |