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