Fix PR1774 and BasicAA/2007-11-05-SizeCrash.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43756 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 34 insertions, 0 deletions

diff --git a/test/Analysis/BasicAA/2007-11-05-SizeCrash.ll b/test/Analysis/BasicAA/2007-11-05-SizeCrash.ll
new file mode 100644
index 0000000000..5a938cfef0
--- /dev/null
+++ b/test/Analysis/BasicAA/2007-11-05-SizeCrash.ll
@@ -0,0 +1,34 @@
+; RUN: llvm-as < %s | opt -gvn -disable-output
+; PR1774
+
+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"
+target triple = "x86_64-unknown-linux-gnu"
+        %struct.device = type { [20 x i8] }
+        %struct.pci_device_id = type { i32, i32, i32, i32, i32, i32, i64 }
+        %struct.usb_bus = type { %struct.device* }
+        %struct.usb_hcd = type { %struct.usb_bus, i64, [0 x i64] }
+@uhci_pci_ids = external constant [1 x %struct.pci_device_id]           ; <[1 x %struct.pci_device_id]*> [#uses=1]
+
+@__mod_pci_device_table = alias [1 x %struct.pci_device_id]* @uhci_pci_ids     
+        ; <[1 x %struct.pci_device_id]*> [#uses=0]
+
+define i32 @uhci_suspend(%struct.usb_hcd* %hcd) {
+entry:
+        %tmp17 = getelementptr %struct.usb_hcd* %hcd, i32 0, i32 2, i64 1      
+        ; <i64*> [#uses=1]
+        %tmp1718 = bitcast i64* %tmp17 to i32*          ; <i32*> [#uses=1]
+        %tmp19 = load i32* %tmp1718, align 4            ; <i32> [#uses=0]
+        br i1 false, label %cond_true34, label %done_okay
+
+cond_true34:            ; preds = %entry
+        %tmp631 = getelementptr %struct.usb_hcd* %hcd, i32 0, i32 2, i64
+2305843009213693950            ; <i64*> [#uses=1]
+        %tmp70 = bitcast i64* %tmp631 to %struct.device**               ;
+
+        %tmp71 = load %struct.device** %tmp70, align 8          ;
+
+        ret i32 undef
+
+done_okay:              ; preds = %entry
+        ret i32 undef
+}