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Diffstat (limited to 'test/CodeGen/X86/omit-label.ll')
-rw-r--r-- | test/CodeGen/X86/omit-label.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/X86/omit-label.ll b/test/CodeGen/X86/omit-label.ll new file mode 100644 index 0000000..457b66b --- /dev/null +++ b/test/CodeGen/X86/omit-label.ll @@ -0,0 +1,23 @@ +; RUN: llvm-as < %s | llc -march=x86-64 | grep BB1_1: +; PR4126 + +; Don't omit this label's definition. + +define void @bux(i32 %p_53) nounwind optsize { +entry: + %0 = icmp eq i32 %p_53, 0 ; <i1> [#uses=1] + %1 = icmp sgt i32 %p_53, 0 ; <i1> [#uses=1] + %or.cond = and i1 %0, %1 ; <i1> [#uses=1] + br i1 %or.cond, label %bb.i, label %bb3 + +bb.i: ; preds = %entry + %2 = add i32 %p_53, 1 ; <i32> [#uses=1] + %3 = icmp slt i32 %2, 0 ; <i1> [#uses=0] + br label %bb3 + +bb3: ; preds = %bb.i, %entry + %4 = tail call i32 (...)* @baz(i32 0) nounwind ; <i32> [#uses=0] + ret void +} + +declare i32 @baz(...) |