From 5c6d91c1d1bd04d032e1d94266045676c2b27f5a Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sun, 14 Dec 2008 21:20:46 +0000 Subject: [PATCH] another random testcase that shouldn't crash gvn and is good for coverage with future changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61011 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../Transforms/GVN/2008-12-14-rle-reanalyze.ll | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 test/Transforms/GVN/2008-12-14-rle-reanalyze.ll diff --git a/test/Transforms/GVN/2008-12-14-rle-reanalyze.ll b/test/Transforms/GVN/2008-12-14-rle-reanalyze.ll new file mode 100644 index 00000000000..9bcfcac1ccd --- /dev/null +++ b/test/Transforms/GVN/2008-12-14-rle-reanalyze.ll @@ -0,0 +1,18 @@ +; RUN: llvm-as < %s | opt -gvn | llvm-dis +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" +target triple = "i386-apple-darwin7" +@sort_value = external global [256 x i32], align 32 ; <[256 x i32]*> [#uses=2] + +define i32 @Quiesce(i32 %alpha, i32 %beta, i32 %wtm, i32 %ply) nounwind { +entry: + br label %bb22 + +bb22: ; preds = %bb23, %bb22, %entry + br i1 false, label %bb23, label %bb22 + +bb23: ; preds = %bb23, %bb22 + %sortv.233 = phi i32* [ getelementptr ([256 x i32]* @sort_value, i32 0, i32 0), %bb22 ], [ %sortv.2, %bb23 ] ; [#uses=1] + %0 = load i32* %sortv.233, align 4 ; [#uses=0] + %sortv.2 = getelementptr [256 x i32]* @sort_value, i32 0, i32 0 ; [#uses=1] + br i1 false, label %bb23, label %bb22 +} -- 2.34.1