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authorChris Lattner <sabre@nondot.org>2007-12-09 07:35:13 +0000
committerChris Lattner <sabre@nondot.org>2007-12-09 07:35:13 +0000
commitf88380ba2cf472db6576a8534315449931e8cf50 (patch)
tree493a54675bf52362d2667cdb68cd076c937caa3f /test/Analysis
parent8d1ea750601cd27f5d70cef1186864abcf57bdb1 (diff)
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Fix PR1782, patch by Wojtek Matyjewicz!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44733 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Analysis')
-rw-r--r--test/Analysis/BasicAA/2007-12-08-OutOfBoundsCrash.ll31
1 files changed, 31 insertions, 0 deletions
diff --git a/test/Analysis/BasicAA/2007-12-08-OutOfBoundsCrash.ll b/test/Analysis/BasicAA/2007-12-08-OutOfBoundsCrash.ll
new file mode 100644
index 0000000000..2f0c769ee5
--- /dev/null
+++ b/test/Analysis/BasicAA/2007-12-08-OutOfBoundsCrash.ll
@@ -0,0 +1,31 @@
+; RUN: llvm-as < %s | opt -gvn -disable-output
+; PR1782
+
+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, [0 x i64] }
+@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]* @pci_ids ; <[1 x %struct.pci_device_id]*> [#uses=0]
+
+define i32 @ehci_pci_setup(%struct.usb_hcd* %hcd) {
+entry:
+ %tmp14 = getelementptr %struct.usb_hcd* %hcd, i32 0, i32 0, i32 0 ; <%struct.device**> [#uses=1]
+ %tmp15 = load %struct.device** %tmp14, align 8 ; <%struct.device*> [#uses=0]
+ br i1 false, label %bb25, label %return
+
+bb25: ; preds = %entry
+ br i1 false, label %cond_true, label %return
+
+cond_true: ; preds = %bb25
+ %tmp601 = getelementptr %struct.usb_hcd* %hcd, i32 0, i32 1, i64 2305843009213693951 ; <i64*> [#uses=1]
+ %tmp67 = bitcast i64* %tmp601 to %struct.device** ; <%struct.device**> [#uses=1]
+ %tmp68 = load %struct.device** %tmp67, align 8 ; <%struct.device*> [#uses=0]
+ ret i32 undef
+
+return: ; preds = %bb25, %entry
+ ret i32 undef
+}