From 526bc31cee0019debd27f144eac863a8eb2ec09f Mon Sep 17 00:00:00 2001 From: Nick Lewycky Date: Mon, 30 Nov 2009 07:02:18 +0000 Subject: [PATCH] Add a testcase for the current llvm-gcc build failure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90112 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/GVN/2009-11-29-ReverseMap.ll | 33 ++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 test/Transforms/GVN/2009-11-29-ReverseMap.ll diff --git a/test/Transforms/GVN/2009-11-29-ReverseMap.ll b/test/Transforms/GVN/2009-11-29-ReverseMap.ll new file mode 100644 index 00000000000..2d270948e30 --- /dev/null +++ b/test/Transforms/GVN/2009-11-29-ReverseMap.ll @@ -0,0 +1,33 @@ +; RUN: opt -gvn -disable-output %s + +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-f80:32:32-n8:16:32" +target triple = "i386-pc-linux-gnu" + +%struct.attribute_spec = type { i8*, i32, i32, i8, i8, i8 } + +@attribute_tables = external global [4 x %struct.attribute_spec*] ; <[4 x %struct.attribute_spec*]*> [#uses=2] + +define void @decl_attributes() nounwind { +entry: + br label %bb69.i + +bb69.i: ; preds = %bb57.i.preheader + %tmp4 = getelementptr inbounds [4 x %struct.attribute_spec*]* @attribute_tables, i32 0, i32 undef ; <%struct.attribute_spec**> [#uses=1] + %tmp5 = getelementptr inbounds [4 x %struct.attribute_spec*]* @attribute_tables, i32 0, i32 undef ; <%struct.attribute_spec**> [#uses=1] + %tmp3 = load %struct.attribute_spec** %tmp4, align 4 ; <%struct.attribute_spec*> [#uses=1] + br label %bb65.i + +bb65.i: ; preds = %bb65.i.preheader, %bb64.i + %storemerge6.i = phi i32 [ 1, %bb64.i ], [ 0, %bb69.i ] ; [#uses=3] + %scevgep14 = getelementptr inbounds %struct.attribute_spec* %tmp3, i32 %storemerge6.i, i32 0 ; [#uses=1] + %tmp2 = load i8** %scevgep14, align 4 ; [#uses=0] + %tmp = load %struct.attribute_spec** %tmp5, align 4 ; <%struct.attribute_spec*> [#uses=1] + %scevgep1516 = getelementptr inbounds %struct.attribute_spec* %tmp, i32 %storemerge6.i, i32 0 ; [#uses=0] + unreachable + +bb64.i: ; Unreachable + br label %bb65.i + +bb66.i: ; Unreachable + br label %bb69.i +}