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6aff5b94ff
does normal initialization and normal chaining. Change the default AliasAnalysis implementation to NoAlias. Update StandardCompileOpts.h and friends to explicitly request BasicAliasAnalysis. Update tests to explicitly request -basicaa. llvm-svn: 116720
32 lines
1.4 KiB
LLVM
32 lines
1.4 KiB
LLVM
; RUN: opt < %s -basicaa -gvn -disable-output
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; PR1782
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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"
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target triple = "x86_64-unknown-linux-gnu"
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%struct.device = type { [20 x i8] }
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%struct.pci_device_id = type { i32, i32, i32, i32, i32, i32, i64 }
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%struct.usb_bus = type { %struct.device* }
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%struct.usb_hcd = type { %struct.usb_bus, [0 x i64] }
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@pci_ids = external constant [1 x %struct.pci_device_id] ; <[1 x %struct.pci_device_id]*> [#uses=1]
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@__mod_pci_device_table = alias [1 x %struct.pci_device_id]* @pci_ids ; <[1 x %struct.pci_device_id]*> [#uses=0]
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define i32 @ehci_pci_setup(%struct.usb_hcd* %hcd) {
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entry:
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%tmp14 = getelementptr %struct.usb_hcd* %hcd, i32 0, i32 0, i32 0 ; <%struct.device**> [#uses=1]
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%tmp15 = load %struct.device** %tmp14, align 8 ; <%struct.device*> [#uses=0]
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br i1 false, label %bb25, label %return
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bb25: ; preds = %entry
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br i1 false, label %cond_true, label %return
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cond_true: ; preds = %bb25
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%tmp601 = getelementptr %struct.usb_hcd* %hcd, i32 0, i32 1, i64 2305843009213693951 ; <i64*> [#uses=1]
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%tmp67 = bitcast i64* %tmp601 to %struct.device** ; <%struct.device**> [#uses=1]
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%tmp68 = load %struct.device** %tmp67, align 8 ; <%struct.device*> [#uses=0]
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ret i32 undef
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return: ; preds = %bb25, %entry
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ret i32 undef
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}
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