[Bug 237783] audio/alsa-lib: clang crashes during build on armv6 with -fstack-protector-strong
bugzilla-noreply at freebsd.org
bugzilla-noreply at freebsd.org
Wed May 8 03:17:22 UTC 2019
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=237783
Bug ID: 237783
Summary: audio/alsa-lib: clang crashes during build on armv6
with -fstack-protector-strong
Product: Ports & Packages
Version: Latest
Hardware: Any
OS: Any
Status: New
Keywords: needs-qa
Severity: Affects Only Me
Priority: ---
Component: Individual Port(s)
Assignee: ports-bugs at FreeBSD.org
Reporter: jbeich at FreeBSD.org
Blocks: 237273
Created attachment 204253
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=204253&action=edit
src/seq/seq_midi_event.c (compressed, preprocessed)
/bin/sh ../../libtool --tag=CC --mode=compile /usr/bin/cc -DHAVE_CONFIG_H
-I. -I../../include -I../../include -I/usr/ports/audio/alsa-lib/files -O2
-pipe -fstack-protector-strong -fno-strict-aliasing -MT seq_midi_event.lo -MD
-MP -MF .deps/seq_midi_event.Tpo -c -o seq_midi_event.lo seq_midi_event.c
libtool: compile: /usr/bin/cc -DHAVE_CONFIG_H -I. -I../../include
-I../../include -I/usr/ports/audio/alsa-lib/files -O2 -pipe
-fstack-protector-strong -fno-strict-aliasing -MT seq_midi_event.lo -MD -MP -MF
.deps/seq_midi_event.Tpo -c seq_midi_event.c -fPIC -DPIC -o
.libs/seq_midi_event.o
# Machine code for function snd_midi_event_decode: NoPHIs, TracksLiveness
Frame Objects:
fi#0: size=4, align=4, at location [SP]
fi#1: size=4, align=1, at location [SP]
Jump Tables:
%jump-table.0: %bb.18 %bb.24 %bb.19 %bb.42 %bb.20 %bb.21 %bb.22 %bb.23 %bb.4
%bb.2 %bb.3 %bb.42 %bb.42 %bb.42 %bb.8 %bb.9 %bb.7 %bb.42 %bb.42 %bb.42 %bb.42
%bb.42 %bb.42 %bb.42 %bb.12 %bb.13 %bb.14 %bb.42 %bb.42 %bb.42 %bb.11 %bb.42
%bb.42 %bb.42 %bb.10 %bb.16 %bb.15 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42
%bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42
%bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42
%bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42
%bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42
%bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42
%bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42
%bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42 %bb.42
%bb.42 %bb.42 %bb.42 %bb.42 %bb.17
Function Live Ins: $r0 in %13, $r1 in %14, $r2 in %15, $r3 in %16
bb.0.entry:
successors: %bb.44(0x02e8ba2f), %bb.1(0x7d1745d1); %bb.44(2.27%),
%bb.1(97.73%)
liveins: $r0, $r1, $r2, $r3
%16:gpr = COPY killed $r3
%15:gpr = COPY killed $r2
%14:gpr = COPY killed $r1
%13:gpr = COPY killed $r0
%21:gpr = LDRLIT_ga_pcrel_ldr target-flags(arm-got) @__stack_chk_guard ::
(load 4 from got)
%22:gpr = LDRi12 %21:gpr, 0, 14, $noreg :: (volatile load 4 from
@__stack_chk_guard)
STRi12 %22:gpr, %stack.0.StackGuardSlot, 0, 14, $noreg :: (volatile store 4
into %stack.0.StackGuardSlot)
%23:gprnopc = LDRBi12 %16:gpr, 0, 14, $noreg :: (load 1 from %ir.type1164,
align 4)
%20:gprnopc = SUBri %23:gprnopc, 6, 14, $noreg, $noreg
%17:gpr = MVNi 1, 14, $noreg, $noreg
CMPri %20:gprnopc, 124, 14, $noreg, implicit-def $cpsr
Bcc %bb.1, 9, killed $cpsr
bb.44:
; predecessors: %bb.0
successors: %bb.42(0x80000000); %bb.42(100.00%)
%95:gpr = COPY %17:gpr
B %bb.42
bb.1.entry:
; predecessors: %bb.0
successors: %bb.18(0x05f417d0), %bb.24(0x05f417d0), %bb.19(0x05f417d0),
%bb.42(0x02fa0be8), %bb.20(0x05f417d0), %bb.21(0x05f417d0), %bb.22(0x05f417d0),
%bb.23(0x05f417d0), %bb.4(0x05f417d0), %bb.2(0x05f417d0), %bb.3(0x05f417d0),
%bb.8(0x05f417d0), %bb.9(0x05f417d0), %bb.7(0x05f417d0), %bb.12(0x05f417d0),
%bb.13(0x05f417d0), %bb.14(0x05f417d0), %bb.11(0x05f417d0), %bb.10(0x05f417d0),
%bb.16(0x05f417d0), %bb.15(0x05f417d0), %bb.17(0x05f417d0); %bb.18(4.65%),
%bb.24(4.65%), %bb.19(4.65%), %bb.42(2.33%), %bb.20(4.65%), %bb.21(4.65%),
%bb.22(4.65%), %bb.23(4.65%), %bb.4(4.65%), %bb.2(4.65%), %bb.3(4.65%),
%bb.8(4.65%), %bb.9(4.65%), %bb.7(4.65%), %bb.12(4.65%), %bb.13(4.65%),
%bb.14(4.65%), %bb.11(4.65%), %bb.10(4.65%), %bb.16(4.65%), %bb.15(4.65%),
%bb.17(4.65%)
%19:gpr = MOVi 8, 14, $noreg, $noreg
%18:gpr = MOVi 0, 14, $noreg, $noreg
%24:gpr = LEApcrelJT %jump-table.0, 14, $noreg
%25:gpr = LDRrs %24:gpr, %20:gprnopc, 16386, 14, $noreg :: (load 4 from
jump-table)
%88:gpr = COPY %18:gpr
%89:gpr = COPY %19:gpr
%90:gpr = COPY %18:gpr
%95:gpr = COPY %17:gpr
BR_JTadd %24:gpr, %25:gpr, %jump-table.0
bb.2.if.then21.fold.split:
; predecessors: %bb.1
successors: %bb.4(0x80000000); %bb.4(100.00%)
%26:gpr = MOVi 1, 14, $noreg, $noreg
%88:gpr = COPY %26:gpr
B %bb.4
bb.3.if.then21.fold.split149:
; predecessors: %bb.1
successors: %bb.4(0x80000000); %bb.4(100.00%)
%76:gpr = MOVi 2, 14, $noreg, $noreg
%88:gpr = COPY %76:gpr
bb.4.if.then21:
; predecessors: %bb.1, %bb.2, %bb.3
successors: %bb.6(0x7ffff800), %bb.5(0x00000800); %bb.6(100.00%),
%bb.5(0.00%)
%0:gpr = COPY %88:gpr
%81:gpr = LDRi12 %21:gpr, 0, 14, $noreg :: (volatile load 4 from
@__stack_chk_guard)
%82:gpr = LDRi12 %stack.0.StackGuardSlot, 0, 14, $noreg :: (volatile load 4
from %stack.0.StackGuardSlot)
dead %83:gpr = SUBrr %81:gpr, %82:gpr, 14, $noreg, def $cpsr
Bcc %bb.5, 1, killed $cpsr
B %bb.6
bb.5.if.then21:
; predecessors: %bb.4, %bb.42
ADJCALLSTACKDOWN 0, 0, 14, $noreg, implicit-def dead $sp, implicit $sp
BL &__stack_chk_fail, <regmask $lr $d8 $d9 $d10 $d11 $d12 $d13 $d14 $d15 $q4
$q5 $q6 $q7 $r4 $r5 $r6 $r7 $r8 $r9 $r10 $r11 $s16 $s17 $s18 $s19 $s20 $s21
$s22 $s23 $s24 $s25 $s26 $s27 and 35 more...>, implicit-def dead $lr, implicit
$sp, implicit-def $sp
ADJCALLSTACKUP 0, 0, 14, $noreg, implicit-def dead $sp, implicit $sp
bb.6.if.then21:
; predecessors: %bb.4
%77:gpr = LDRLIT_ga_pcrel @extra_event
%78:gpr = ADDrsi %77:gpr, %0:gpr, 26, 14, $noreg, $noreg
%79:tcgpr = LDRi12 %78:gpr, 4, 14, $noreg :: (load 4 from %ir.decode)
TCRETURNri %79:tcgpr, implicit $sp, implicit $r0, implicit killed $r1,
implicit killed $r2, implicit killed $r3
bb.7.if.then29.fold.split:
; predecessors: %bb.1
successors: %bb.17(0x80000000); %bb.17(100.00%)
%36:gpr = MOVi 9, 14, $noreg, $noreg
%89:gpr = COPY %36:gpr
B %bb.17
bb.8.if.then29.fold.split155:
; predecessors: %bb.1
successors: %bb.17(0x80000000); %bb.17(100.00%)
%35:gpr = MOVi 10, 14, $noreg, $noreg
%89:gpr = COPY %35:gpr
B %bb.17
bb.9.if.then29.fold.split156:
; predecessors: %bb.1
successors: %bb.17(0x80000000); %bb.17(100.00%)
%34:gpr = MOVi 11, 14, $noreg, $noreg
%89:gpr = COPY %34:gpr
B %bb.17
bb.10.if.then29.fold.split157:
; predecessors: %bb.1
successors: %bb.17(0x80000000); %bb.17(100.00%)
%33:gpr = MOVi 14, 14, $noreg, $noreg
%89:gpr = COPY %33:gpr
B %bb.17
bb.11.if.then29.fold.split158:
; predecessors: %bb.1
successors: %bb.17(0x80000000); %bb.17(100.00%)
%32:gpr = MOVi 16, 14, $noreg, $noreg
%89:gpr = COPY %32:gpr
B %bb.17
bb.12.if.then29.fold.split159:
; predecessors: %bb.1
successors: %bb.17(0x80000000); %bb.17(100.00%)
%31:gpr = MOVi 18, 14, $noreg, $noreg
%89:gpr = COPY %31:gpr
B %bb.17
bb.13.if.then29.fold.split160:
; predecessors: %bb.1
successors: %bb.17(0x80000000); %bb.17(100.00%)
%30:gpr = MOVi 19, 14, $noreg, $noreg
%89:gpr = COPY %30:gpr
B %bb.17
bb.14.if.then29.fold.split161:
; predecessors: %bb.1
successors: %bb.17(0x80000000); %bb.17(100.00%)
%29:gpr = MOVi 20, 14, $noreg, $noreg
%89:gpr = COPY %29:gpr
B %bb.17
bb.15.if.then29.fold.split162:
; predecessors: %bb.1
successors: %bb.17(0x80000000); %bb.17(100.00%)
%28:gpr = MOVi 22, 14, $noreg, $noreg
%89:gpr = COPY %28:gpr
B %bb.17
bb.16.if.then29.fold.split163:
; predecessors: %bb.1
successors: %bb.17(0x80000000); %bb.17(100.00%)
%27:gpr = MOVi 23, 14, $noreg, $noreg
%89:gpr = COPY %27:gpr
bb.17.if.then29:
; predecessors: %bb.1, %bb.16, %bb.15, %bb.14, %bb.13, %bb.12, %bb.11, %bb.10,
%bb.9, %bb.8, %bb.7
successors: %bb.25(0x80000000); %bb.25(100.00%)
%1:gpr = COPY %89:gpr
%2:gpr = nuw nsw ADDri %1:gpr, 232, 14, $noreg, $noreg
%91:gprnopc = COPY %1:gpr
%92:gprnopc = COPY %2:gpr
B %bb.25
bb.18.if.else.fold.split:
; predecessors: %bb.1
successors: %bb.24(0x80000000); %bb.24(100.00%)
%42:gpr = MOVi 1, 14, $noreg, $noreg
%90:gpr = COPY %42:gpr
B %bb.24
bb.19.if.else.fold.split150:
; predecessors: %bb.1
successors: %bb.24(0x80000000); %bb.24(100.00%)
%41:gpr = MOVi 2, 14, $noreg, $noreg
%90:gpr = COPY %41:gpr
B %bb.24
bb.20.if.else.fold.split151:
; predecessors: %bb.1
successors: %bb.24(0x80000000); %bb.24(100.00%)
%40:gpr = MOVi 3, 14, $noreg, $noreg
%90:gpr = COPY %40:gpr
B %bb.24
bb.21.if.else.fold.split152:
; predecessors: %bb.1
successors: %bb.24(0x80000000); %bb.24(100.00%)
%39:gpr = MOVi 4, 14, $noreg, $noreg
%90:gpr = COPY %39:gpr
B %bb.24
bb.22.if.else.fold.split153:
; predecessors: %bb.1
successors: %bb.24(0x80000000); %bb.24(100.00%)
%38:gpr = MOVi 5, 14, $noreg, $noreg
%90:gpr = COPY %38:gpr
B %bb.24
bb.23.if.else.fold.split154:
; predecessors: %bb.1
successors: %bb.24(0x80000000); %bb.24(100.00%)
%37:gpr = MOVi 6, 14, $noreg, $noreg
%90:gpr = COPY %37:gpr
bb.24.if.else:
; predecessors: %bb.1, %bb.23, %bb.22, %bb.21, %bb.20, %bb.19, %bb.18
successors: %bb.25(0x80000000); %bb.25(100.00%)
%3:gpr = COPY %90:gpr
%43:gprnopc = LDRBi12 %16:gpr, 16, 14, $noreg :: (load 1 from %ir.channel,
align 4)
%44:gpr = ANDri %43:gprnopc, 15, 14, $noreg, $noreg
%45:gpr = ORRrsi %44:gpr, %3:gpr, 34, 14, $noreg, $noreg
%4:gpr = ORRri %45:gpr, 128, 14, $noreg, $noreg
%91:gprnopc = COPY %3:gpr
%92:gprnopc = COPY %4:gpr
bb.25.if.end32:
; predecessors: %bb.17, %bb.24
successors: %bb.26(0x40000000), %bb.30(0x40000000); %bb.26(50.00%),
%bb.30(50.00%)
%6:gprnopc = COPY %92:gprnopc
%5:gprnopc = COPY %91:gprnopc
CMPri %6:gprnopc, 240, 14, $noreg, implicit-def $cpsr
Bcc %bb.30, 1, killed $cpsr
B %bb.26
bb.26.if.then35:
; predecessors: %bb.25
successors: %bb.42(0x40000000), %bb.27(0x40000000); %bb.42(50.00%),
%bb.27(50.00%)
%71:gprnopc = MOVi 255, 14, $noreg, $noreg
STRBi12 %71:gprnopc, %13:gpr, 12, 14, $noreg :: (store 1 into %ir.lastcmd.i,
align 4)
%7:gpr = LDRi12 %16:gpr, 16, 14, $noreg :: (load 4 from %ir.len)
%70:gpr = MVNi 11, 14, $noreg, $noreg
CMPrr %7:gpr, %15:gpr, 14, $noreg, implicit-def $cpsr
%95:gpr = COPY %70:gpr
Bcc %bb.42, 12, killed $cpsr
B %bb.27
bb.27.if.end40:
; predecessors: %bb.26
successors: %bb.28(0x30000000), %bb.29(0x50000000); %bb.28(37.50%),
%bb.29(62.50%)
%73:gprnopc = LDRBi12 %16:gpr, 1, 14, $noreg :: (load 1 from %ir.flags)
TSTri %73:gprnopc, 12, 14, $noreg, implicit-def $cpsr
Bcc %bb.29, 1, killed $cpsr
bb.28:
; predecessors: %bb.27
successors: %bb.42(0x80000000); %bb.42(100.00%)
%72:gpr = MVNi 21, 14, $noreg, $noreg
%95:gpr = COPY %72:gpr
B %bb.42
bb.29.sw.epilog:
; predecessors: %bb.27
successors: %bb.42(0x80000000); %bb.42(100.00%)
%74:gpr = LDRi12 %16:gpr, 20, 14, $noreg :: (load 4 from %ir.9)
ADJCALLSTACKDOWN 0, 0, 14, $noreg, implicit-def dead $sp, implicit $sp
$r0 = COPY %14:gpr
$r1 = COPY %74:gpr
$r2 = COPY %7:gpr
BL &memcpy, <regmask $lr $d8 $d9 $d10 $d11 $d12 $d13 $d14 $d15 $q4 $q5 $q6
$q7 $r4 $r5 $r6 $r7 $r8 $r9 $r10 $r11 $s16 $s17 $s18 $s19 $s20 $s21 $s22 $s23
$s24 $s25 $s26 $s27 and 35 more...>, implicit-def dead $lr, implicit $sp,
implicit $r0, implicit killed $r1, implicit killed $r2, implicit-def $sp,
implicit-def dead $r0
ADJCALLSTACKUP 0, 0, 14, $noreg, implicit-def dead $sp, implicit $sp
%95:gpr = COPY %7:gpr
B %bb.42
bb.30.if.else45:
; predecessors: %bb.25
successors: %bb.33(0x40000000), %bb.31(0x40000000); %bb.33(50.00%),
%bb.31(50.00%)
%46:gpr = ANDri %6:gprnopc, 240, 14, $noreg, $noreg
CMPri %46:gpr, 240, 14, $noreg, implicit-def $cpsr
Bcc %bb.33, 0, killed $cpsr
B %bb.31
bb.31.lor.lhs.false:
; predecessors: %bb.30
successors: %bb.32(0x40000000), %bb.33(0x40000000); %bb.32(50.00%),
%bb.33(50.00%)
%47:gprnopc = LDRBi12 %13:gpr, 12, 14, $noreg :: (load 1 from %ir.lastcmd,
align 4)
CMPrr %6:gprnopc, %47:gprnopc, 14, $noreg, implicit-def $cpsr
Bcc %bb.33, 1, killed $cpsr
B %bb.32
bb.32.lor.lhs.false52:
; predecessors: %bb.31
successors: %bb.36(0x30000000), %bb.33(0x50000000); %bb.36(37.50%),
%bb.33(62.50%)
%48:gprnopc = LDRBi12 %13:gpr, 13, 14, $noreg :: (load 1 from %ir.nostat)
CMPri %48:gprnopc, 0, 14, $noreg, implicit-def $cpsr
Bcc %bb.36, 0, killed $cpsr
B %bb.33
bb.33.if.then54:
; predecessors: %bb.30, %bb.31, %bb.32
successors: %bb.35(0x40000000), %bb.34(0x40000000); %bb.35(50.00%),
%bb.34(50.00%)
STRBi12 %6:gprnopc, %13:gpr, 12, 14, $noreg :: (store 1 into %ir.lastcmd56,
align 4)
STRBi12 %6:gprnopc, %stack.1.xbuf, 0, 14, $noreg :: (store 1 into %ir.14)
%57:gprnopc = MOVi32imm 3711
%58:gprnopc = MOVi 1, 14, $noreg, $noreg
TSTrsr %58:gprnopc, %57:gprnopc, %5:gprnopc, 3, 14, $noreg, implicit-def
$cpsr
Bcc %bb.35, 0, killed $cpsr
B %bb.34
bb.34.if.then62:
; predecessors: %bb.33
successors: %bb.35(0x80000000); %bb.35(100.00%)
%59:gpr = LDRLIT_ga_pcrel @status_event
%60:gpr = ADDrsi %59:gpr, %5:gprnopc, 34, 14, $noreg, $noreg
%61:gpr = ADDri %stack.1.xbuf, 0, 14, $noreg, $noreg
%62:gpr = nuw ADDri %61:gpr, 1, 14, $noreg, $noreg
ADJCALLSTACKDOWN 0, 0, 14, $noreg, implicit-def dead $sp, implicit $sp
%63:gpr = LDRi12 %60:gpr, 12, 14, $noreg :: (load 4 from %ir.decode60)
$r0 = COPY %16:gpr
$r1 = COPY %62:gpr
BLX %63:gpr, <regmask $lr $d8 $d9 $d10 $d11 $d12 $d13 $d14 $d15 $q4 $q5 $q6
$q7 $r4 $r5 $r6 $r7 $r8 $r9 $r10 $r11 $s16 $s17 $s18 $s19 $s20 $s21 $s22 $s23
$s24 $s25 $s26 $s27 and 35 more...>, implicit-def dead $lr, implicit $sp,
implicit $r0, implicit killed $r1, implicit-def $sp
ADJCALLSTACKUP 0, 0, 14, $noreg, implicit-def dead $sp, implicit $sp
bb.35.if.end65:
; predecessors: %bb.33, %bb.34
successors: %bb.39(0x80000000); %bb.39(100.00%)
%64:gpr = LDRLIT_ga_pcrel @status_event
%65:gpr = ADDrsi %64:gpr, %5:gprnopc, 34, 14, $noreg, $noreg
%66:gpr = LDRi12 %65:gpr, 4, 14, $noreg :: (load 4 from %ir.qlen67)
%8:gpr = nsw ADDri %66:gpr, 1, 14, $noreg, $noreg
%93:gpr = COPY %8:gpr
B %bb.39
bb.36.if.else69:
; predecessors: %bb.32
successors: %bb.38(0x40000000), %bb.37(0x40000000); %bb.38(50.00%),
%bb.37(50.00%)
%49:gprnopc = MOVi32imm 3711
%50:gprnopc = MOVi 1, 14, $noreg, $noreg
TSTrsr %50:gprnopc, %49:gprnopc, %5:gprnopc, 3, 14, $noreg, implicit-def
$cpsr
Bcc %bb.38, 0, killed $cpsr
B %bb.37
bb.37.if.then73:
; predecessors: %bb.36
successors: %bb.38(0x80000000); %bb.38(100.00%)
%51:gpr = LDRLIT_ga_pcrel @status_event
%52:gpr = ADDrsi %51:gpr, %5:gprnopc, 34, 14, $noreg, $noreg
ADJCALLSTACKDOWN 0, 0, 14, $noreg, implicit-def dead $sp, implicit $sp
%53:gpr = ADDri %stack.1.xbuf, 0, 14, $noreg, $noreg
%54:gpr = LDRi12 %52:gpr, 12, 14, $noreg :: (load 4 from %ir.decode71)
$r0 = COPY %16:gpr
$r1 = COPY %53:gpr
BLX %54:gpr, <regmask $lr $d8 $d9 $d10 $d11 $d12 $d13 $d14 $d15 $q4 $q5 $q6
$q7 $r4 $r5 $r6 $r7 $r8 $r9 $r10 $r11 $s16 $s17 $s18 $s19 $s20 $s21 $s22 $s23
$s24 $s25 $s26 $s27 and 35 more...>, implicit-def dead $lr, implicit $sp,
implicit $r0, implicit killed $r1, implicit-def $sp
ADJCALLSTACKUP 0, 0, 14, $noreg, implicit-def dead $sp, implicit $sp
bb.38.if.end78:
; predecessors: %bb.36, %bb.37
successors: %bb.39(0x80000000); %bb.39(100.00%)
%55:gpr = LDRLIT_ga_pcrel @status_event
%56:gpr = ADDrsi %55:gpr, %5:gprnopc, 34, 14, $noreg, $noreg
%9:gpr = LDRi12 %56:gpr, 4, 14, $noreg :: (load 4 from %ir.qlen80)
%93:gpr = COPY %9:gpr
bb.39.if.end81:
; predecessors: %bb.38, %bb.35
successors: %bb.41(0x40000000), %bb.40(0x40000000); %bb.41(50.00%),
%bb.40(50.00%)
%10:gpr = COPY %93:gpr
%67:gpr = MVNi 11, 14, $noreg, $noreg
CMPrr %10:gpr, %15:gpr, 14, $noreg, implicit-def $cpsr
%94:gpr = COPY %67:gpr
Bcc %bb.41, 12, killed $cpsr
B %bb.40
bb.40.if.end85:
; predecessors: %bb.39
successors: %bb.41(0x80000000); %bb.41(100.00%)
ADJCALLSTACKDOWN 0, 0, 14, $noreg, implicit-def dead $sp, implicit $sp
%68:gpr = ADDri %stack.1.xbuf, 0, 14, $noreg, $noreg
$r0 = COPY %14:gpr
$r1 = COPY %68:gpr
$r2 = COPY %10:gpr
BL &memcpy, <regmask $lr $d8 $d9 $d10 $d11 $d12 $d13 $d14 $d15 $q4 $q5 $q6
$q7 $r4 $r5 $r6 $r7 $r8 $r9 $r10 $r11 $s16 $s17 $s18 $s19 $s20 $s21 $s22 $s23
$s24 $s25 $s26 $s27 and 35 more...>, implicit-def dead $lr, implicit $sp,
implicit $r0, implicit killed $r1, implicit killed $r2, implicit-def $sp,
implicit-def dead $r0
ADJCALLSTACKUP 0, 0, 14, $noreg, implicit-def dead $sp, implicit $sp
%94:gpr = COPY %10:gpr
bb.41.cleanup:
; predecessors: %bb.39, %bb.40
successors: %bb.42(0x80000000); %bb.42(100.00%)
%11:gpr = COPY %94:gpr
%95:gpr = COPY %11:gpr
bb.42.cleanup87:
; predecessors: %bb.1, %bb.41, %bb.26, %bb.29, %bb.28, %bb.44
successors: %bb.43(0x7ffff800), %bb.5(0x00000800); %bb.43(100.00%),
%bb.5(0.00%)
%12:gpr = COPY %95:gpr
%85:gpr = LDRi12 %21:gpr, 0, 14, $noreg :: (volatile load 4 from
@__stack_chk_guard)
%86:gpr = LDRi12 %stack.0.StackGuardSlot, 0, 14, $noreg :: (volatile load 4
from %stack.0.StackGuardSlot)
dead %87:gpr = SUBrr %85:gpr, %86:gpr, 14, $noreg, def $cpsr
Bcc %bb.5, 1, killed $cpsr
B %bb.43
bb.43.cleanup87:
; predecessors: %bb.42
$r0 = COPY %12:gpr
BX_RET 14, $noreg, implicit killed $r0
# End machine code for function snd_midi_event_decode.
*** Bad machine code: Using an undefined physical register ***
- function: snd_midi_event_decode
- basic block: %bb.6 if.then21 (0x803d008e0)
- instruction: TCRETURNri %79:tcgpr, implicit $sp, implicit $r0, implicit
killed $r1, implicit killed $r2, implicit killed $r3
- operand 2: implicit $r0
*** Bad machine code: Using an undefined physical register ***
- function: snd_midi_event_decode
- basic block: %bb.6 if.then21 (0x803d008e0)
- instruction: TCRETURNri %79:tcgpr, implicit $sp, implicit $r0, implicit
killed $r1, implicit killed $r2, implicit killed $r3
- operand 3: implicit killed $r1
*** Bad machine code: Using an undefined physical register ***
- function: snd_midi_event_decode
- basic block: %bb.6 if.then21 (0x803d008e0)
- instruction: TCRETURNri %79:tcgpr, implicit $sp, implicit $r0, implicit
killed $r1, implicit killed $r2, implicit killed $r3
- operand 4: implicit killed $r2
*** Bad machine code: Using an undefined physical register ***
- function: snd_midi_event_decode
- basic block: %bb.6 if.then21 (0x803d008e0)
- instruction: TCRETURNri %79:tcgpr, implicit $sp, implicit $r0, implicit
killed $r1, implicit killed $r2, implicit killed $r3
- operand 5: implicit killed $r3
fatal error: error in backend: Found 4 machine code errors.
cc: error: clang frontend command failed with exit code 70 (use -v to see
invocation)
FreeBSD clang version 8.0.0 (tags/RELEASE_800/final 356365) (based on LLVM
8.0.0)
Target: armv6-unknown-freebsd13.0-gnueabihf
Thread model: posix
InstalledDir: /usr/bin
Referenced Bugs:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=237273
[Bug 237273] Mk/bsd.ssp.mk: switch to -fstack-protector-strong and enable on
more architectures
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