From 5cc25ce17d7d730b33803ae23a17c05a39427cce Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Thu, 11 Feb 2010 05:08:05 +0000 Subject: [PATCH] a testcase that doesn't crash GVN but could someday. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95851 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/GVN/crash.ll | 22 +++++++++++++++++++--- 1 file changed, 19 insertions(+), 3 deletions(-) diff --git a/test/Transforms/GVN/crash.ll b/test/Transforms/GVN/crash.ll index 9167b6ec684..4a3aa1c55a8 100644 --- a/test/Transforms/GVN/crash.ll +++ b/test/Transforms/GVN/crash.ll @@ -5,7 +5,7 @@ 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-n8:16:32:64" target triple = "x86_64-apple-darwin10.0" -define i32* @peel_to_type(i8* %name, i32 %namelen, i32* %o, i32 %expected_type) nounwind ssp { +define i32* @test1(i8* %name, i32 %namelen, i32* %o, i32 %expected_type) nounwind ssp { entry: br i1 undef, label %if.end13, label %while.body.preheader @@ -69,7 +69,7 @@ declare i32* @parse_object(i8*) @attribute_tables = external global [4 x %struct.attribute_spec*] ; <[4 x %struct.attribute_spec*]*> [#uses=2] -define void @decl_attributes() nounwind { +define void @test2() nounwind { entry: br label %bb69.i @@ -99,7 +99,7 @@ bb66.i: ; Unreachable @g = external global i64, align 8 -define i32* @foo() { +define i32* @test3() { do.end17.i: %tmp18.i = load i7** undef %tmp1 = bitcast i7* %tmp18.i to i8* @@ -135,3 +135,19 @@ do.body57.i: declare i32 @foo2() + + +define i32 @test4() { +entry: + ret i32 0 + +dead: + %P2 = getelementptr i32 *%P2, i32 52 + %Q2 = getelementptr i32 *%Q2, i32 52 + store i32 4, i32* %P2 + %A = load i32* %Q2 + br i1 true, label %dead, label %dead2 + +dead2: + ret i32 %A +} -- 2.34.1