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      1 ; RUN: llc < %s -asm-verbose=false -O3 -mtriple=armv6-apple-darwin -relocation-model=pic  -mcpu=arm1136jf-s | FileCheck %s
      2 ; rdar://8959122 illegal register operands for UMULL instruction
      3 ;   in cfrac nightly test.
      4 ; Armv6 generates a umull that must write to two distinct destination regs.
      5 
      6 ; ModuleID = 'bugpoint-reduced-simplified.bc'
      7 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:64-n32"
      8 target triple = "armv6-apple-darwin10"
      9 
     10 define void @ptoa() nounwind {
     11 entry:
     12   br i1 false, label %bb3, label %bb
     13 
     14 bb:                                               ; preds = %entry
     15   br label %bb3
     16 
     17 bb3:                                              ; preds = %bb, %entry
     18   %0 = call noalias i8* @malloc() nounwind
     19   br i1 undef, label %bb46, label %bb8
     20 
     21 bb8:                                              ; preds = %bb3
     22   %1 = getelementptr inbounds i8* %0, i32 0
     23   store i8 0, i8* %1, align 1
     24   %2 = call i32 @ptou() nounwind
     25   ; CHECK: umull [[REGISTER:lr|r[0-9]+]],
     26   ; CHECK-NOT: [[REGISTER]],
     27   ; CHECK: {{lr|r[0-9]+}}, {{lr|r[0-9]+$}}
     28   ; CHECK: umull [[REGISTER:lr|r[0-9]+]],
     29   ; CHECK-NOT: [[REGISTER]],
     30   ; CHECK: {{lr|r[0-9]+}}, {{lr|r[0-9]+$}}
     31   %3 = udiv i32 %2, 10
     32   %4 = urem i32 %3, 10
     33   %5 = icmp ult i32 %4, 10
     34   %6 = trunc i32 %4 to i8
     35   %7 = or i8 %6, 48
     36   %8 = add i8 %6, 87
     37   %iftmp.5.0.1 = select i1 %5, i8 %7, i8 %8
     38   store i8 %iftmp.5.0.1, i8* undef, align 1
     39   ; CHECK: umull [[REGISTER:lr|r[0-9]+]],
     40   ; CHECK-NOT: [[REGISTER]],
     41   ; CHECK: {{lr|r[0-9]+}}, {{lr|r[0-9]+$}}
     42   ; CHECK: umull [[REGISTER:lr|r[0-9]+]],
     43   ; CHECK-NOT: [[REGISTER]],
     44   ; CHECK: {{lr|r[0-9]+}}, {{lr|r[0-9]+$}}
     45   %9 = udiv i32 %2, 100
     46   %10 = urem i32 %9, 10
     47   %11 = icmp ult i32 %10, 10
     48   %12 = trunc i32 %10 to i8
     49   %13 = or i8 %12, 48
     50   %14 = add i8 %12, 87
     51   %iftmp.5.0.2 = select i1 %11, i8 %13, i8 %14
     52   store i8 %iftmp.5.0.2, i8* undef, align 1
     53   ; CHECK: umull [[REGISTER:lr|r[0-9]+]],
     54   ; CHECK-NOT: [[REGISTER]],
     55   ; CHECK: {{lr|r[0-9]+}}, {{lr|r[0-9]+$}}
     56   ; CHECK: umull [[REGISTER:lr|r[0-9]+]],
     57   ; CHECK-NOT: [[REGISTER]],
     58   ; CHECK: {{lr|r[0-9]+}}, {{lr|r[0-9]+$}}
     59   %15 = udiv i32 %2, 10000
     60   %16 = urem i32 %15, 10
     61   %17 = icmp ult i32 %16, 10
     62   %18 = trunc i32 %16 to i8
     63   %19 = or i8 %18, 48
     64   %20 = add i8 %18, 87
     65   %iftmp.5.0.4 = select i1 %17, i8 %19, i8 %20
     66   store i8 %iftmp.5.0.4, i8* null, align 1
     67   ; CHECK: umull [[REGISTER:lr|r[0-9]+]],
     68   ; CHECK-NOT: [[REGISTER]],
     69   ; CHECK: {{lr|r[0-9]+}}, {{lr|r[0-9]+$}}
     70   ; CHECK: umull [[REGISTER:lr|r[0-9]+]],
     71   ; CHECK-NOT: [[REGISTER]],
     72   ; CHECK: {{lr|r[0-9]+}}, {{lr|r[0-9]+$}}
     73   %21 = udiv i32 %2, 100000
     74   %22 = urem i32 %21, 10
     75   %23 = icmp ult i32 %22, 10
     76   %iftmp.5.0.5 = select i1 %23, i8 0, i8 undef
     77   store i8 %iftmp.5.0.5, i8* undef, align 1
     78   ; CHECK: umull [[REGISTER:lr|r[0-9]+]],
     79   ; CHECK-NOT: [[REGISTER]],
     80   ; CHECK: {{lr|r[0-9]+}}, {{lr|r[0-9]+$}}
     81   ; CHECK: umull [[REGISTER:lr|r[0-9]+]],
     82   ; CHECK-NOT: [[REGISTER]],
     83   ; CHECK: {{lr|r[0-9]+}}, {{lr|r[0-9]+$}}
     84   %24 = udiv i32 %2, 1000000
     85   %25 = urem i32 %24, 10
     86   %26 = icmp ult i32 %25, 10
     87   %27 = trunc i32 %25 to i8
     88   %28 = or i8 %27, 48
     89   %29 = add i8 %27, 87
     90   %iftmp.5.0.6 = select i1 %26, i8 %28, i8 %29
     91   store i8 %iftmp.5.0.6, i8* undef, align 1
     92   ; CHECK: umull [[REGISTER:lr|r[0-9]+]],
     93   ; CHECK-NOT: [[REGISTER]],
     94   ; CHECK: {{lr|r[0-9]+}}, {{lr|r[0-9]+$}}
     95   ; CHECK: umull [[REGISTER:lr|r[0-9]+]],
     96   ; CHECK-NOT: [[REGISTER]],
     97   ; CHECK: {{lr|r[0-9]+}}, {{lr|r[0-9]+$}}
     98   %30 = udiv i32 %2, 10000000
     99   %31 = urem i32 %30, 10
    100   %32 = icmp ult i32 %31, 10
    101   %33 = trunc i32 %31 to i8
    102   %34 = or i8 %33, 48
    103   %35 = add i8 %33, 87
    104   %iftmp.5.0.7 = select i1 %32, i8 %34, i8 %35
    105   store i8 %iftmp.5.0.7, i8* undef, align 1
    106   ; CHECK: umull [[REGISTER:lr|r[0-9]+]],
    107   ; CHECK-NOT: [[REGISTER]],
    108   ; CHECK: {{lr|r[0-9]+}}, {{lr|r[0-9]+$}}
    109   ; CHECK: umull [[REGISTER:lr|r[0-9]+]],
    110   ; CHECK-NOT: [[REGISTER]],
    111   ; CHECK: {{lr|r[0-9]+}}, {{lr|r[0-9]+$}}
    112   %36 = udiv i32 %2, 100000000
    113   %37 = urem i32 %36, 10
    114   %38 = icmp ult i32 %37, 10
    115   %39 = trunc i32 %37 to i8
    116   %40 = or i8 %39, 48
    117   %41 = add i8 %39, 87
    118   %iftmp.5.0.8 = select i1 %38, i8 %40, i8 %41
    119   store i8 %iftmp.5.0.8, i8* null, align 1
    120   unreachable
    121 
    122 bb46:                                             ; preds = %bb3
    123   ret void
    124 }
    125 
    126 declare noalias i8* @malloc() nounwind
    127 
    128 declare i32 @ptou()
    129