From cee313d288a4faf0355d76fb6e0e927e211d08a5 Mon Sep 17 00:00:00 2001 From: Eric Christopher Date: Wed, 17 Apr 2019 04:52:47 +0000 Subject: Revert "Temporarily Revert "Add basic loop fusion pass."" The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552 --- llvm/test/Transforms/GlobalOpt/deadfunction.ll | 27 ++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 llvm/test/Transforms/GlobalOpt/deadfunction.ll (limited to 'llvm/test/Transforms/GlobalOpt/deadfunction.ll') diff --git a/llvm/test/Transforms/GlobalOpt/deadfunction.ll b/llvm/test/Transforms/GlobalOpt/deadfunction.ll new file mode 100644 index 00000000000..5771c4ccfb7 --- /dev/null +++ b/llvm/test/Transforms/GlobalOpt/deadfunction.ll @@ -0,0 +1,27 @@ +; RUN: opt < %s -globalopt -S | FileCheck %s + +; CHECK-NOT: test + +declare void @aa() +declare void @bb() + +; Test that we can erase a function which has a blockaddress referring to it +@test.x = internal unnamed_addr constant [3 x i8*] [i8* blockaddress(@test, %a), i8* blockaddress(@test, %b), i8* blockaddress(@test, %c)], align 16 +define internal void @test(i32 %n) nounwind noinline { +entry: + %idxprom = sext i32 %n to i64 + %arrayidx = getelementptr inbounds [3 x i8*], [3 x i8*]* @test.x, i64 0, i64 %idxprom + %0 = load i8*, i8** %arrayidx, align 8 + indirectbr i8* %0, [label %a, label %b, label %c] + +a: + tail call void @aa() nounwind + br label %b + +b: + tail call void @bb() nounwind + br label %c + +c: + ret void +} -- cgit v1.2.3