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Diffstat (limited to 'test/CodeGen/X86/2009-04-12-FastIselOverflowCrash.ll')
-rw-r--r-- | test/CodeGen/X86/2009-04-12-FastIselOverflowCrash.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2009-04-12-FastIselOverflowCrash.ll b/test/CodeGen/X86/2009-04-12-FastIselOverflowCrash.ll new file mode 100644 index 0000000000..bf1c8df377 --- /dev/null +++ b/test/CodeGen/X86/2009-04-12-FastIselOverflowCrash.ll @@ -0,0 +1,21 @@ +; RUN: llvm-as < %s | llc -fast-isel +; radr://6772169 +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-apple-darwin10" + type { i32, i1 } ; type %0 + +declare %0 @llvm.sadd.with.overflow.i32(i32, i32) nounwind + +define fastcc i32 @test() nounwind { +entry: + %tmp1 = call %0 @llvm.sadd.with.overflow.i32(i32 1, i32 0) + %tmp2 = extractvalue %0 %tmp1, 1 + br i1 %tmp2, label %.backedge, label %BB3 + +BB3: + %tmp4 = extractvalue %0 %tmp1, 0 + br label %.backedge + +.backedge: + ret i32 0 +} |