| ; RUN: llc < %s -mtriple=i386-unknown-linux-gnu |
| ; PR3391 |
| |
| @pci_indirect = external global { } ; <{ }*> [#uses=1] |
| @pcibios_last_bus = external global i32 ; <i32*> [#uses=2] |
| |
| define void @pci_pcbios_init() nounwind section ".init.text" { |
| entry: |
| br label %bb1.i |
| |
| bb1.i: ; preds = %bb6.i.i, %bb1.i, %entry |
| %0 = load i32, i32* null, align 8 ; <i32> [#uses=1] |
| %1 = icmp ugt i32 %0, 1048575 ; <i1> [#uses=1] |
| br i1 %1, label %bb2.i, label %bb1.i |
| |
| bb2.i: ; preds = %bb1.i |
| %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] |
| %asmresult2.i.i = extractvalue { i32, i32, i32, i32 } %asmtmp.i.i, 1 |
| ; <i32> [#uses=1] |
| %2 = lshr i32 %asmresult2.i.i, 8 ; <i32> [#uses=1] |
| %3 = trunc i32 %2 to i8 ; <i8> [#uses=1] |
| %4 = load i32, i32* @pcibios_last_bus, align 4 ; <i32> [#uses=1] |
| %5 = icmp slt i32 %4, 0 ; <i1> [#uses=1] |
| br i1 %5, label %bb5.i.i, label %bb6.i.i |
| |
| bb5.i.i: ; preds = %bb2.i |
| %asmresult4.i.i = extractvalue { i32, i32, i32, i32 } %asmtmp.i.i, 3 |
| ; <i32> [#uses=1] |
| %6 = and i32 %asmresult4.i.i, 255 ; <i32> [#uses=1] |
| store i32 %6, i32* @pcibios_last_bus, align 4 |
| br label %bb6.i.i |
| |
| bb6.i.i: ; preds = %bb5.i.i, %bb2.i |
| %7 = icmp eq i8 %3, 0 ; <i1> [#uses=1] |
| %or.cond.i.i = and i1 %7, false ; <i1> [#uses=1] |
| br i1 %or.cond.i.i, label %bb1.i, label %bb8.i.i |
| |
| bb8.i.i: ; preds = %bb6.i.i |
| unreachable |
| } |
