From da53582d1155dfb560f043c801de5880e483ce16 Mon Sep 17 00:00:00 2001 From: Owen Anderson Date: Mon, 13 Sep 2010 18:28:40 +0000 Subject: Add a reduced testcase for the infinite loop fixed in r113763. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113770 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/InstCombine/crash.ll | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) (limited to 'test') diff --git a/test/Transforms/InstCombine/crash.ll b/test/Transforms/InstCombine/crash.ll index 30d467e0ca..a600af0da7 100644 --- a/test/Transforms/InstCombine/crash.ll +++ b/test/Transforms/InstCombine/crash.ll @@ -252,3 +252,36 @@ entry: %conv6 = zext i1 %cmp5 to i32 ; [#uses=0] ret void } + +%s1 = type { %s2, %s2, [6 x %s2], i32, i32, i32, [1 x i32], [0 x i8] } +%s2 = type { i64 } +define void @test13() nounwind ssp { +entry: + %0 = getelementptr inbounds %s1* null, i64 0, i32 2, i64 0, i32 0 + %1 = bitcast i64* %0 to i32* + %2 = getelementptr inbounds %s1* null, i64 0, i32 2, i64 1, i32 0 + %.pre = load i32* %1, align 8 + %3 = lshr i32 %.pre, 19 + %brmerge = or i1 undef, undef + %4 = and i32 %3, 3 + %5 = add nsw i32 %4, 1 + %6 = shl i32 %5, 19 + %7 = add i32 %6, 1572864 + %8 = and i32 %7, 1572864 + %9 = load i64* %2, align 8 + %trunc156 = trunc i64 %9 to i32 + %10 = and i32 %trunc156, -1537 + %11 = and i32 %10, -6145 + %12 = or i32 %11, 2048 + %13 = and i32 %12, -24577 + %14 = or i32 %13, 16384 + %15 = or i32 %14, 98304 + store i32 %15, i32* undef, align 8 + %16 = and i32 %15, -1572865 + %17 = or i32 %16, %8 + store i32 %17, i32* undef, align 8 + %18 = and i32 %17, -449 + %19 = or i32 %18, 64 + store i32 %19, i32* undef, align 8 + unreachable +} -- cgit v1.2.3