From ea60d3d9f241a3b24c08f9fb8ccb36f6302f2b66 Mon Sep 17 00:00:00 2001 From: Jakob Stoklund Olesen Date: Sat, 15 Aug 2009 12:09:56 +0000 Subject: [PATCH] Add XFAIL test case for a scavenger assert. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79092 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../Blackfin/2009-08-15-LiveIn-SubReg.ll | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 test/CodeGen/Blackfin/2009-08-15-LiveIn-SubReg.ll diff --git a/test/CodeGen/Blackfin/2009-08-15-LiveIn-SubReg.ll b/test/CodeGen/Blackfin/2009-08-15-LiveIn-SubReg.ll new file mode 100644 index 00000000000..3cf00cfd9bc --- /dev/null +++ b/test/CodeGen/Blackfin/2009-08-15-LiveIn-SubReg.ll @@ -0,0 +1,20 @@ +; RUN: llvm-as < %s | llc -march=bfin -verify-machineinstrs +; XFAIL: * + +; When joining live intervals of sub-registers, an MBB live-in list is not +; updated properly. The register scavenger asserts on an undefined register. + +define i32 @foo(i8 %bar) { +entry: + switch i8 %bar, label %bb1203 [ + i8 117, label %bb1204 + i8 85, label %bb1204 + i8 106, label %bb1204 + ] + +bb1203: ; preds = %entry + ret i32 1 + +bb1204: ; preds = %entry, %entry, %entry + ret i32 2 +}