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| author | Dan Gohman <gohman@apple.com> | 2009-11-20 02:51:26 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-11-20 02:51:26 +0000 |
| commit | b4afb137efbc38462707bab9f5e8bc5c2d07cd2d (patch) | |
| tree | 076df79ebc3d73f3d003a95c7100b1a9468fabb2 /test/CodeGen/X86/tailcall-fastisel.ll | |
| parent | de8b1dbf95811fa2fc38bd677453f75811eb1029 (diff) | |
| download | llvm-b4afb137efbc38462707bab9f5e8bc5c2d07cd2d.tar.gz llvm-b4afb137efbc38462707bab9f5e8bc5c2d07cd2d.tar.bz2 llvm-b4afb137efbc38462707bab9f5e8bc5c2d07cd2d.tar.xz | |
Fix fast-isel to avoid selecting the return instruction if a
tail call has been encountered.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89444 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/tailcall-fastisel.ll')
| -rw-r--r-- | test/CodeGen/X86/tailcall-fastisel.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/CodeGen/X86/tailcall-fastisel.ll b/test/CodeGen/X86/tailcall-fastisel.ll new file mode 100644 index 0000000000..d54fb4115b --- /dev/null +++ b/test/CodeGen/X86/tailcall-fastisel.ll @@ -0,0 +1,13 @@ +; RUN: llc < %s -march=x86-64 -tailcallopt -fast-isel | grep TAILCALL + +; Fast-isel shouldn't attempt to handle this tail call, and it should +; cleanly terminate instruction selection in the block after it's +; done to avoid emitting invalid MachineInstrs. + +%0 = type { i64, i32, i8* } + +define fastcc i8* @"visit_array_aux<`Reference>"(%0 %arg, i32 %arg1) nounwind { +fail: ; preds = %entry + %tmp20 = tail call fastcc i8* @"visit_array_aux<`Reference>"(%0 %arg, i32 undef) ; <i8*> [#uses=1] + ret i8* %tmp20 +} |