1 ; RUN: llc < %s -mtriple=i386-unknown-linux-gnu 2 ; PR3391 3 4 @pci_indirect = external global { } ; <{ }*> [#uses=1] 5 @pcibios_last_bus = external global i32 ; <i32*> [#uses=2] 6 7 define void @pci_pcbios_init() nounwind section ".init.text" { 8 entry: 9 br label %bb1.i 10 11 bb1.i: ; preds = %bb6.i.i, %bb1.i, %entry 12 %0 = load i32* 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.i 15 16 bb2.i: ; preds = %bb1.i 17 %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, { }* @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* @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.i 25 26 bb5.i.i: ; preds = %bb2.i 27 %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, i32* @pcibios_last_bus, align 4 31 br label %bb6.i.i 32 33 bb6.i.i: ; preds = %bb5.i.i, %bb2.i 34 %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.i 37 38 bb8.i.i: ; preds = %bb6.i.i 39 unreachable 40 } 41
