1; RUN: llc -o - %s -mtriple=arm64-apple-ios -O3 -aarch64-enable-collect-loh | FileCheck %s
2; RUN: llc -o - %s -mtriple=arm64_32-apple-watchos -O3 -aarch64-enable-collect-loh | FileCheck %s
3; Check that the LOH analysis does not crash when the analysed chained
4; contains instructions that are filtered out.
5;
6; Before the fix for <rdar://problem/16041712>, these cases were removed
7; from the main container. Now, the deterministic container does not allow
8; to remove arbitrary values, so we have to live with garbage values.
9; <rdar://problem/16041712>
10
11%"class.H4ISP::H4ISPDevice" = type { i32 (%"class.H4ISP::H4ISPDevice"*, i32, i8*, i8*)*, i8*, i32*, %"class.H4ISP::H4ISPCameraManager"* }
12
13%"class.H4ISP::H4ISPCameraManager" = type opaque
14
15declare i32 @_ZN5H4ISP11H4ISPDevice32ISP_SelectBestMIPIFrequencyIndexEjPj(%"class.H4ISP::H4ISPDevice"*)
16
17@pH4ISPDevice = hidden global %"class.H4ISP::H4ISPDevice"* null, align 8
18
19; CHECK-LABEL: _foo:
20; CHECK: ret
21; CHECK-NOT: .loh AdrpLdrGotLdr
22define void @foo() {
23entry:
24  br label %if.then83
25if.then83:                                        ; preds = %if.end81
26  %tmp = load %"class.H4ISP::H4ISPDevice"*, %"class.H4ISP::H4ISPDevice"** @pH4ISPDevice, align 8
27  %call84 = call i32 @_ZN5H4ISP11H4ISPDevice32ISP_SelectBestMIPIFrequencyIndexEjPj(%"class.H4ISP::H4ISPDevice"* %tmp) #19
28  tail call void asm sideeffect "", "~{x19},~{x20},~{x21},~{x22},~{x23},~{x24},~{x25},~{x26},~{x27}"()
29  %tmp2 = load %"class.H4ISP::H4ISPDevice"*, %"class.H4ISP::H4ISPDevice"** @pH4ISPDevice, align 8
30  tail call void asm sideeffect "", "~{x19},~{x20},~{x21},~{x22},~{x23},~{x24},~{x25},~{x26},~{x28}"()
31  %pCameraManager.i268 = getelementptr inbounds %"class.H4ISP::H4ISPDevice", %"class.H4ISP::H4ISPDevice"* %tmp2, i64 0, i32 3
32  %tmp3 = load %"class.H4ISP::H4ISPCameraManager"*, %"class.H4ISP::H4ISPCameraManager"** %pCameraManager.i268, align 8
33  %tobool.i269 = icmp eq %"class.H4ISP::H4ISPCameraManager"* %tmp3, null
34  br i1 %tobool.i269, label %if.then83, label %end
35end:
36  ret void
37}
38
39