reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
  135
  136
  137
  138
  139
  140
  141
  142
  143
  144
  145
  146
  147
  148
  149
  150
  151
  152
  153
  154
  155
  156
  157
  158
  159
  160
  161
  162
  163
  164
  165
  166
  167
  168
  169
  170
  171
  172
  173
  174
  175
  176
  177
  178
  179
  180
  181
  182
  183
  184
  185
  186
  187
  188
  189
  190
  191
  192
  193
  194
  195
  196
  197
  198
  199
  200
  201
  202
  203
  204
  205
  206
  207
  208
  209
  210
  211
  212
  213
  214
  215
  216
  217
  218
  219
  220
  221
  222
  223
  224
  225
  226
  227
  228
  229
  230
  231
  232
  233
  234
  235
  236
  237
  238
  239
  240
  241
  242
  243
  244
  245
  246
  247
  248
  249
; RUN: llc < %s -march=sparc -disable-sparc-delay-filler -disable-sparc-leaf-proc | FileCheck %s --check-prefix=CHECK --check-prefix=HARD --check-prefix=CHECK-BE
; RUN: llc < %s -march=sparcel -disable-sparc-delay-filler -disable-sparc-leaf-proc | FileCheck %s --check-prefix=CHECK --check-prefix=HARD --check-prefix=CHECK-LE
; RUN: llc < %s -march=sparc -disable-sparc-delay-filler -disable-sparc-leaf-proc -mattr=soft-float | FileCheck %s --check-prefix=CHECK --check-prefix=SOFT --check-prefix=CHECK-BE

; CHECK-LABEL: intarg:
; The save/restore frame is not strictly necessary here, but we would need to
; refer to %o registers instead.
; CHECK: save %sp, -96, %sp
; CHECK: ld [%fp+96], [[R2:%[gilo][0-7]]]
; CHECK: ld [%fp+92], [[R1:%[gilo][0-7]]]
; CHECK: stb %i0, [%i4]
; CHECK: stb %i1, [%i4]
; CHECK: sth %i2, [%i4]
; CHECK: st  %i3, [%i4]
; CHECK: st  %i4, [%i4]
; CHECK: st  %i5, [%i4]
; CHECK: st  [[R1]], [%i4]
; CHECK: st  [[R2]], [%i4]
; CHECK: restore
define void @intarg(i8  %a0,   ; %i0
                    i8  %a1,   ; %i1
                    i16 %a2,   ; %i2
                    i32 %a3,   ; %i3
                    i8* %a4,   ; %i4
                    i32 %a5,   ; %i5
                    i32 signext %a6,   ; [%fp+92]
                    i8* %a7) { ; [%fp+96]
  store volatile i8 %a0, i8* %a4
  store volatile i8 %a1, i8* %a4
  %p16 = bitcast i8* %a4 to i16*
  store volatile i16 %a2, i16* %p16
  %p32 = bitcast i8* %a4 to i32*
  store volatile i32 %a3, i32* %p32
  %pp = bitcast i8* %a4 to i8**
  store volatile i8* %a4, i8** %pp
  store volatile i32 %a5, i32* %p32
  store volatile i32 %a6, i32* %p32
  store volatile i8* %a7, i8** %pp
  ret void
}

; CHECK-LABEL: call_intarg:
; CHECK: save %sp, -104, %sp
; Use %o0-%o5 for outgoing arguments
; CHECK: mov 5, %o5
; CHECK: st %i0, [%sp+92]
; CHECK: call intarg
; CHECK-NOT: add %sp
; CHECK: restore
define void @call_intarg(i32 %i0, i8* %i1) {
  call void @intarg(i8 0, i8 1, i16 2, i32 3, i8* undef, i32 5, i32 %i0, i8* %i1)
  ret void
}

;; Verify doubles starting with an even reg, starting with an odd reg,
;; straddling the boundary of regs and mem, and floats in regs and mem.
;
; CHECK-LABEL: floatarg:
; HARD: save %sp, -120, %sp
; HARD: mov %i5, %g2
; HARD-NEXT: ld [%fp+92], %g3
; HARD-NEXT: mov %i4, %i5
; HARD-NEXT: ! kill
; HARD-NEXT: std %g2, [%fp+-24]
; HARD-NEXT: mov %i3, %i4
; HARD-NEXT: std %i4, [%fp+-16]
; HARD-NEXT: ! kill
; HARD-NEXT: std %i0, [%fp+-8]
; HARD-NEXT: st %i2, [%fp+-28]
; HARD-NEXT: ld [%fp+104], %f0
; HARD-NEXT: ldd [%fp+96], %f2
; HARD-NEXT: ld [%fp+-28], %f1
; HARD-NEXT: ldd [%fp+-8], %f4
; HARD-NEXT: ldd [%fp+-16], %f6
; HARD-NEXT: ldd [%fp+-24], %f8
; HARD-NEXT: fstod %f1, %f10
; HARD-NEXT: faddd %f4, %f10, %f4
; HARD-NEXT: faddd %f6, %f4, %f4
; HARD-NEXT: faddd %f8, %f4, %f4
; HARD-NEXT: faddd %f2, %f4, %f2
; HARD-NEXT: fstod %f0, %f0
; HARD-NEXT: faddd %f0, %f2, %f0
; SOFT: save %sp, -96, %sp
; SOFT: ld [%fp+104], %l0
; SOFT-NEXT: ld [%fp+96], %l1
; SOFT-NEXT: ld [%fp+100], %l2
; SOFT-NEXT: ld [%fp+92], %l3
; SOFT-NEXT:  mov  %i2, %o0
; SOFT-NEXT: call __extendsfdf2
; SOFT-NEXT: nop
; SOFT-NEXT:  mov  %o0, %o2
; SOFT-NEXT:  mov  %o1, %o3
; SOFT-NEXT:  mov  %i0, %o0
; SOFT-NEXT:  mov  %i1, %o1
; SOFT-NEXT:  call __adddf3
; SOFT-NEXT:  nop
; SOFT-NEXT:  mov  %o0, %o2
; SOFT-NEXT:  mov  %o1, %o3
; SOFT-NEXT:  mov  %i3, %o0
; SOFT-NEXT:  mov  %i4, %o1
; SOFT-NEXT:  call __adddf3
; SOFT-NEXT:  nop
; SOFT-NEXT:  mov  %o0, %o2
; SOFT-NEXT:  mov  %o1, %o3
; SOFT-NEXT:  mov  %i5, %o0
; SOFT-NEXT:  mov  %l3, %o1
; SOFT-NEXT:  call __adddf3
; SOFT-NEXT:  nop
; SOFT-NEXT:  mov  %o0, %o2
; SOFT-NEXT:  mov  %o1, %o3
; SOFT-NEXT:  mov  %l1, %o0
; SOFT-NEXT:  mov  %l2, %o1
; SOFT-NEXT:  call __adddf3
; SOFT-NEXT:  nop
; SOFT-NEXT:  mov  %o0, %i0
; SOFT-NEXT:  mov  %o1, %i1
; SOFT-NEXT:  mov  %l0, %o0
; SOFT-NEXT:  call __extendsfdf2
; SOFT-NEXT:  nop
; SOFT-NEXT:  mov  %i0, %o2
; SOFT-NEXT:  mov  %i1, %o3
; SOFT-NEXT:  call __adddf3
; SOFT-NEXT:  nop
; SOFT-NEXT:  mov  %o0, %i0
; SOFT-NEXT:  mov  %o1, %i1
; CHECK: restore
define double @floatarg(double %a0,   ; %i0,%i1
                        float %a1,    ; %i2
                        double %a2,   ; %i3, %i4
                        double %a3,   ; %i5, [%fp+92] (using 4 bytes)
                        double %a4,   ; [%fp+96] (using 8 bytes)
                        float %a5) {  ; [%fp+104] (using 4 bytes)
  %d1 = fpext float %a1 to double
  %s1 = fadd double %a0, %d1
  %s2 = fadd double %a2, %s1
  %s3 = fadd double %a3, %s2
  %s4 = fadd double %a4, %s3
  %d5 = fpext float %a5 to double
  %s5 = fadd double %d5, %s4
  ret double %s5
}

; CHECK-LABEL: call_floatarg:
; HARD: save %sp, -112, %sp
; HARD: mov %i2, %o1
; HARD-NEXT: mov %i1, %o0
; HARD-NEXT: st %i0, [%sp+104]
; HARD-NEXT: std %o0, [%sp+96]
; HARD-NEXT: st %o1, [%sp+92]
; HARD-NEXT: mov %i0, %o2
; HARD-NEXT: mov %i1, %o3
; HARD-NEXT: mov %o1, %o4
; HARD-NEXT: mov %i1, %o5
; HARD-NEXT: call floatarg
; HARD: std %f0, [%i4]
; SOFT: st %i0, [%sp+104]
; SOFT-NEXT:  st %i2, [%sp+100]
; SOFT-NEXT:  st %i1, [%sp+96]
; SOFT-NEXT:  st %i2, [%sp+92]
; SOFT-NEXT:  mov  %i1, %o0
; SOFT-NEXT:  mov  %i2, %o1
; SOFT-NEXT:  mov  %i0, %o2
; SOFT-NEXT:  mov  %i1, %o3
; SOFT-NEXT:  mov  %i2, %o4
; SOFT-NEXT:  mov  %i1, %o5
; SOFT-NEXT:  call floatarg
; SOFT:  std %o0, [%i4]
; CHECK: restore
define void @call_floatarg(float %f1, double %d2, float %f5, double *%p) {
  %r = call double @floatarg(double %d2, float %f1, double %d2, double %d2,
                             double %d2, float %f1)
  store double %r, double* %p
  ret void
}

;; i64 arguments should effectively work the same as double: split
;; into two locations.  This is different for little-endian vs big
;; endian, since the 64-bit math needs to be split
; CHECK-LABEL: i64arg:
; CHECK:  save %sp, -96, %sp
; CHECK-BE: ld [%fp+104], %g2
; CHECK-BE-NEXT: ld [%fp+100], %g3
; CHECK-BE-NEXT: ld [%fp+96], %g4
; CHECK-BE-NEXT: ld [%fp+92], %l0
; CHECK-BE-NEXT: addcc %i1, %i2, %i1
; CHECK-BE-NEXT: addxcc %i0, 0, %i0
; CHECK-BE-NEXT: addcc %i4, %i1, %i1
; CHECK-BE-NEXT: addxcc %i3, %i0, %i0
; CHECK-BE-NEXT: addcc %l0, %i1, %i1
; CHECK-BE-NEXT: addxcc %i5, %i0, %i0
; CHECK-BE-NEXT: addcc %g3, %i1, %i1
; CHECK-BE-NEXT: addxcc %g4, %i0, %i0
; CHECK-BE-NEXT: addcc %g2, %i1, %i1
; CHECK-BE-NEXT: addxcc %i0, 0, %i0
;
; CHECK-LE: ld [%fp+104], %g2
; CHECK-LE-NEXT: ld [%fp+96], %g3
; CHECK-LE-NEXT: ld [%fp+100], %g4
; CHECK-LE-NEXT: ld [%fp+92], %l0
; CHECK-LE-NEXT: addcc %i0, %i2, %i0
; CHECK-LE-NEXT: addxcc %i1, 0, %i1
; CHECK-LE-NEXT: addcc %i3, %i0, %i0
; CHECK-LE-NEXT: addxcc %i4, %i1, %i1
; CHECK-LE-NEXT: addcc %i5, %i0, %i0
; CHECK-LE-NEXT: addxcc %l0, %i1, %i1
; CHECK-LE-NEXT: addcc %g3, %i0, %i0
; CHECK-LE-NEXT: addxcc %g4, %i1, %i1
; CHECK-LE-NEXT: addcc %g2, %i0, %i0
; CHECK-LE-NEXT: addxcc %i1, 0, %i1
; CHECK-NEXT: restore


define i64 @i64arg(i64 %a0,    ; %i0,%i1
		   i32 %a1,    ; %i2
		   i64 %a2,    ; %i3, %i4
		   i64 %a3,    ; %i5, [%fp+92] (using 4 bytes)
		   i64 %a4,    ; [%fp+96] (using 8 bytes)
                   i32 %a5) {  ; [%fp+104] (using 4 bytes)
  %a1L = zext i32 %a1 to i64
  %s1 = add i64 %a0, %a1L
  %s2 = add i64 %a2, %s1
  %s3 = add i64 %a3, %s2
  %s4 = add i64 %a4, %s3
  %a5L = zext i32 %a5 to i64
  %s5 = add i64 %a5L, %s4
  ret i64 %s5
}

; CHECK-LABEL: call_i64arg:
; CHECK: save %sp, -112, %sp
; CHECK: st %i0, [%sp+104]
; CHECK-NEXT: st %i2, [%sp+100]
; CHECK-NEXT: st %i1, [%sp+96]
; CHECK-NEXT: st %i2, [%sp+92]
; CHECK-NEXT: mov      %i1, %o0
; CHECK-NEXT: mov      %i2, %o1
; CHECK-NEXT: mov      %i0, %o2
; CHECK-NEXT: mov      %i1, %o3
; CHECK-NEXT: mov      %i2, %o4
; CHECK-NEXT: mov      %i1, %o5
; CHECK-NEXT: call i64arg
; CHECK: std %o0, [%i3]
; CHECK-NEXT: restore

define void @call_i64arg(i32 %a0, i64 %a1, i64* %p) {
  %r = call i64 @i64arg(i64 %a1, i32 %a0, i64 %a1, i64 %a1, i64 %a1, i32 %a0)
  store i64 %r, i64* %p
  ret void
}