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1; RUN: llc < %s -mtriple=i386-unknown-linux-gnu2; PR33913 4@pci_indirect = external dso_local global { } ; <ptr> [#uses=1]5@pcibios_last_bus = external dso_local global i32 ; <ptr> [#uses=2]6 7define void @pci_pcbios_init() nounwind section ".init.text" {8entry:9 br label %bb1.i10 11bb1.i: ; preds = %bb6.i.i, %bb1.i, %entry12 %0 = load i32, ptr null, align 8 ; <i32> [#uses=1]13 %1 = icmp ugt i32 %0, 1048575 ; <i1> [#uses=1]14 br i1 %1, label %bb2.i, label %bb1.i15 16bb2.i: ; preds = %bb1.i17 %asmtmp.i.i = tail call { i32, i32, i32, i32 } asm "lcall *(%edi); cld\0A\09jc 1f\0A\09xor %ah, %ah\0A1:", "={dx},={ax},={bx},={cx},1,{di},~{dirflag},~{fpsr},~{flags},~{memory}"(i32 45313, ptr @pci_indirect) nounwind ; <{ i32, i32, i32, i32 }> [#uses=2]18 %asmresult2.i.i = extractvalue { i32, i32, i32, i32 } %asmtmp.i.i, 1 19 ; <i32> [#uses=1]20 %2 = lshr i32 %asmresult2.i.i, 8 ; <i32> [#uses=1]21 %3 = trunc i32 %2 to i8 ; <i8> [#uses=1]22 %4 = load i32, ptr @pcibios_last_bus, align 4 ; <i32> [#uses=1]23 %5 = icmp slt i32 %4, 0 ; <i1> [#uses=1]24 br i1 %5, label %bb5.i.i, label %bb6.i.i25 26bb5.i.i: ; preds = %bb2.i27 %asmresult4.i.i = extractvalue { i32, i32, i32, i32 } %asmtmp.i.i, 3 28 ; <i32> [#uses=1]29 %6 = and i32 %asmresult4.i.i, 255 ; <i32> [#uses=1]30 store i32 %6, ptr @pcibios_last_bus, align 431 br label %bb6.i.i32 33bb6.i.i: ; preds = %bb5.i.i, %bb2.i34 %7 = icmp eq i8 %3, 0 ; <i1> [#uses=1]35 %or.cond.i.i = and i1 %7, false ; <i1> [#uses=1]36 br i1 %or.cond.i.i, label %bb1.i, label %bb8.i.i37 38bb8.i.i: ; preds = %bb6.i.i39 unreachable40}41