1 files changed, 37 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/arm64-collect-loh-garbage-crash.ll b/test/CodeGen/AArch64/arm64-collect-loh-garbage-crash.ll
new file mode 100644
index 0000000..81cee38
--- /dev/null
+++ b/test/CodeGen/AArch64/arm64-collect-loh-garbage-crash.ll
@@ -0,0 +1,37 @@
+; RUN: llc -mtriple=arm64-apple-ios -O3 -aarch64-collect-loh -aarch64-collect-loh-bb-only=true -aarch64-collect-loh-pre-collect-register=false < %s -o - | FileCheck %s
+; Check that the LOH analysis does not crash when the analysed chained
+; contains instructions that are filtered out.
+;
+; Before the fix for <rdar://problem/16041712>, these cases were removed
+; from the main container. Now, the deterministic container does not allow
+; to remove arbitrary values, so we have to live with garbage values.
+; <rdar://problem/16041712>
+
+%"class.H4ISP::H4ISPDevice" = type { i32 (%"class.H4ISP::H4ISPDevice"*, i32, i8*, i8*)*, i8*, i32*, %"class.H4ISP::H4ISPCameraManager"* }
+
+%"class.H4ISP::H4ISPCameraManager" = type opaque
+
+declare i32 @_ZN5H4ISP11H4ISPDevice32ISP_SelectBestMIPIFrequencyIndexEjPj(%"class.H4ISP::H4ISPDevice"*)
+
+@pH4ISPDevice = hidden global %"class.H4ISP::H4ISPDevice"* null, align 8
+
+; CHECK-LABEL: _foo:
+; CHECK: ret
+; CHECK-NOT: .loh AdrpLdrGotLdr
+define void @foo() {
+entry:
+  br label %if.then83
+if.then83:                                        ; preds = %if.end81
+  %tmp = load %"class.H4ISP::H4ISPDevice"** @pH4ISPDevice, align 8
+  %call84 = call i32 @_ZN5H4ISP11H4ISPDevice32ISP_SelectBestMIPIFrequencyIndexEjPj(%"class.H4ISP::H4ISPDevice"* %tmp) #19
+  tail call void asm sideeffect "", "~{x19},~{x20},~{x21},~{x22},~{x23},~{x24},~{x25},~{x26},~{x27}"()
+  %tmp2 = load %"class.H4ISP::H4ISPDevice"** @pH4ISPDevice, align 8
+  tail call void asm sideeffect "", "~{x19},~{x20},~{x21},~{x22},~{x23},~{x24},~{x25},~{x26},~{x28}"()
+  %pCameraManager.i268 = getelementptr inbounds %"class.H4ISP::H4ISPDevice"* %tmp2, i64 0, i32 3
+  %tmp3 = load %"class.H4ISP::H4ISPCameraManager"** %pCameraManager.i268, align 8
+  %tobool.i269 = icmp eq %"class.H4ISP::H4ISPCameraManager"* %tmp3, null
+  br i1 %tobool.i269, label %if.then83, label %end
+end:
+  ret void
+}
+