; RUN: llc < %s -verify-machineinstrs ; PR8612 ; ; This test has an inline asm with early-clobber arguments. ; It is big enough that one of the early clobber registers is spilled. ; ; All the spillers would get the live ranges wrong when spilling an early ; clobber, allowing the undef register to be allocated to the same register as ; the early clobber. ; target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:64:128-a0:0:64-n32" target triple = "armv7-eabi" %0 = type { i32, i32 } define void @foo(i32* %in) nounwind { entry: br label %bb.i bb.i: ; preds = %bb.i, %entry br i1 undef, label %bb10.preheader.i, label %bb.i bb10.preheader.i: ; preds = %bb.i br label %bb10.i bb10.i: ; preds = %bb10.i, %bb10.preheader.i br i1 undef, label %bb27.i, label %bb10.i bb27.i: ; preds = %bb10.i br label %bb28.i bb28.i: ; preds = %bb28.i, %bb27.i br i1 undef, label %presymmetry.exit, label %bb28.i presymmetry.exit: ; preds = %bb28.i %tmp175387 = or i32 undef, 12 %scevgep101.i = getelementptr i32, i32* %in, i32 undef %tmp189401 = or i32 undef, 7 %scevgep97.i = getelementptr i32, i32* %in, i32 undef %tmp198410 = or i32 undef, 1 %scevgep.i48 = getelementptr i32, i32* %in, i32 undef %0 = load i32, i32* %scevgep.i48, align 4 %1 = add nsw i32 %0, 0 store i32 %1, i32* undef, align 4 %asmtmp.i.i33.i.i.i = tail call %0 asm "smull\09$0, $1, $2, $3", "=&r,=&r,%r,r,~{cc}"(i32 undef, i32 1518500250) nounwind %asmresult1.i.i34.i.i.i = extractvalue %0 %asmtmp.i.i33.i.i.i, 1 %2 = shl i32 %asmresult1.i.i34.i.i.i, 1 %3 = load i32, i32* null, align 4 %4 = load i32, i32* undef, align 4 %5 = sub nsw i32 %3, %4 %6 = load i32, i32* undef, align 4 %7 = load i32, i32* null, align 4 %8 = sub nsw i32 %6, %7 %9 = load i32, i32* %scevgep97.i, align 4 %10 = load i32, i32* undef, align 4 %11 = sub nsw i32 %9, %10 %12 = load i32, i32* null, align 4 %13 = load i32, i32* %scevgep101.i, align 4 %14 = sub nsw i32 %12, %13 %15 = load i32, i32* %scevgep.i48, align 4 %16 = load i32, i32* null, align 4 %17 = add nsw i32 %16, %15 %18 = sub nsw i32 %15, %16 %19 = load i32, i32* undef, align 4 %20 = add nsw i32 %19, %2 %21 = sub nsw i32 %19, %2 %22 = add nsw i32 %14, %5 %23 = sub nsw i32 %5, %14 %24 = add nsw i32 %11, %8 %25 = sub nsw i32 %8, %11 %26 = add nsw i32 %21, %23 store i32 %26, i32* %scevgep.i48, align 4 %27 = sub nsw i32 %25, %18 store i32 %27, i32* null, align 4 %28 = sub nsw i32 %23, %21 store i32 %28, i32* undef, align 4 %29 = add nsw i32 %18, %25 store i32 %29, i32* undef, align 4 %30 = add nsw i32 %17, %22 store i32 %30, i32* %scevgep101.i, align 4 %31 = add nsw i32 %20, %24 store i32 %31, i32* null, align 4 unreachable }