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      1 ; This is a smoke test of random number generator.
      2 ; The random number generators for different randomization passes should be
      3 ; decoupled. The random number used in one randomization pass should not be
      4 ; influenced by the existence of other randomization passes.
      5 
      6 ; REQUIRES: allow_dump, target_X8632
      7 
      8 ; Command for checking constant blinding (Need to turn off nop-insertion)
      9 ; RUN: %p2i --target x8632 -i %s --filetype=obj --disassemble --args -O2 \
     10 ; RUN:    -sz-seed=1 -randomize-pool-immediates=randomize \
     11 ; RUN:    -randomize-pool-threshold=0x1 \
     12 ; RUN:    -reorder-global-variables \
     13 ; RUN:    -reorder-basic-blocks \
     14 ; RUN:    -reorder-functions \
     15 ; RUN:    -randomize-regalloc \
     16 ; RUN:    -nop-insertion=0 \
     17 ; RUN:    -reorder-pooled-constants \
     18 ; RUN:    | FileCheck %s --check-prefix=BLINDINGO2
     19 
     20 ; Command for checking global variable reordering
     21 ; RUN: %p2i --target x8632 -i %s \
     22 ; RUN:    --filetype=obj --disassemble --dis-flags=-rD \
     23 ; RUN:    --args -O2 -sz-seed=1 \
     24 ; RUN:    -randomize-pool-immediates=randomize \
     25 ; RUN:    -randomize-pool-threshold=0x1 \
     26 ; RUN:    -reorder-global-variables \
     27 ; RUN:    -reorder-basic-blocks \
     28 ; RUN:    -reorder-functions \
     29 ; RUN:    -randomize-regalloc \
     30 ; RUN:    -nop-insertion \
     31 ; RUN:    -reorder-pooled-constants \
     32 ; RUN:    | FileCheck %s --check-prefix=GLOBALVARS
     33 
     34 ; Command for checking basic block reordering
     35 ; RUN: %p2i --target x8632 -i %s --filetype=asm --args -O2 -sz-seed=1\
     36 ; RUN:    -randomize-pool-immediates=randomize \
     37 ; RUN:    -randomize-pool-threshold=0x1 \
     38 ; RUN:    -reorder-global-variables \
     39 ; RUN:    -reorder-basic-blocks \
     40 ; RUN:    -reorder-functions \
     41 ; RUN:    -randomize-regalloc \
     42 ; RUN:    -nop-insertion \
     43 ; RUN:    -reorder-pooled-constants \
     44 ; RUN:    | FileCheck %s --check-prefix=BBREORDERING
     45 
     46 ; Command for checking function reordering
     47 ; RUN: %p2i --target x8632 -i %s --filetype=obj --disassemble --args -O2 \
     48 ; RUN:    -sz-seed=1 -randomize-pool-immediates=randomize \
     49 ; RUN:    -randomize-pool-threshold=0x1 \
     50 ; RUN:    -reorder-global-variables \
     51 ; RUN:    -reorder-basic-blocks \
     52 ; RUN:    -reorder-functions \
     53 ; RUN:    -randomize-regalloc \
     54 ; RUN:    -nop-insertion \
     55 ; RUN:    -reorder-pooled-constants \
     56 ; RUN:    | FileCheck %s --check-prefix=FUNCREORDERING
     57 
     58 ; Command for checking regalloc randomization
     59 ; RUN: %p2i --target x8632 -i %s --filetype=obj --disassemble --args -O2 \
     60 ; RUN:    -sz-seed=1 -randomize-pool-immediates=randomize \
     61 ; RUN:    -randomize-pool-threshold=0x1 \
     62 ; RUN:    -reorder-global-variables \
     63 ; RUN:    -reorder-basic-blocks \
     64 ; RUN:    -reorder-functions \
     65 ; RUN:    -randomize-regalloc \
     66 ; RUN:    -nop-insertion \
     67 ; RUN:    -reorder-pooled-constants \
     68 ; RUN:    -split-local-vars=0 \
     69 ; RUN:    | FileCheck %s --check-prefix=REGALLOC
     70 
     71 ; Command for checking nop insertion (Need to turn off randomize-regalloc)
     72 ; RUN: %p2i --target x8632 -i %s --filetype=asm --args \
     73 ; RUN:    -sz-seed=1 -randomize-pool-immediates=randomize \
     74 ; RUN:    -reorder-global-variables \
     75 ; RUN:    -reorder-basic-blocks \
     76 ; RUN:    -reorder-functions \
     77 ; RUN:    -randomize-regalloc=0 \
     78 ; RUN:    -nop-insertion -nop-insertion-percentage=50\
     79 ; RUN:    -reorder-pooled-constants \
     80 ; RUN:    | FileCheck %s --check-prefix=NOPINSERTION
     81 
     82 ; Command for checking pooled constants reordering
     83 ; RUN: %p2i --target x8632 -i %s --filetype=obj --disassemble --dis-flags=-s \
     84 ; RUN:    --args -O2 -sz-seed=1 \
     85 ; RUN:    -randomize-pool-immediates=randomize \
     86 ; RUN:    -randomize-pool-threshold=0x1 \
     87 ; RUN:    -reorder-global-variables \
     88 ; RUN:    -reorder-basic-blocks \
     89 ; RUN:    -reorder-functions \
     90 ; RUN:    -randomize-regalloc \
     91 ; RUN:    -nop-insertion \
     92 ; RUN:    -reorder-pooled-constants \
     93 ; RUN:    | FileCheck %s --check-prefix=POOLEDCONSTANTS
     94 
     95 
     96 ; Global variables copied from reorder-global-variables.ll
     97 @PrimitiveInit = internal global [4 x i8] c"\1B\00\00\00", align 4
     98 @PrimitiveInitConst = internal constant [4 x i8] c"\0D\00\00\00", align 4
     99 @ArrayInit = internal global [20 x i8] c"\0A\00\00\00\14\00\00\00\1E\00\00\00(\00\00\002\00\00\00", align 4
    100 @ArrayInitPartial = internal global [40 x i8] c"<\00\00\00F\00\00\00P\00\00\00Z\00\00\00d\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00", align 4
    101 @PrimitiveInitStatic = internal global [4 x i8] zeroinitializer, align 4
    102 @PrimitiveUninit = internal global [4 x i8] zeroinitializer, align 4
    103 @ArrayUninit = internal global [20 x i8] zeroinitializer, align 4
    104 @ArrayUninitConstDouble = internal constant [200 x i8] zeroinitializer, align 8
    105 @ArrayUninitConstInt = internal constant [20 x i8] zeroinitializer, align 4
    106 
    107 
    108 define internal <4 x i32> @func1(<4 x i32> %a, <4 x i32> %b) {
    109 entry:
    110   %res = mul <4 x i32> %a, %b
    111   ret <4 x i32> %res
    112 
    113 ; NOPINSERTION-LABEL: func1
    114 ; NOPINSERTION: nop /* variant = 1 */
    115 ; NOPINSERTION: subl $60, %esp
    116 ; NOPINSERTION: nop /* variant = 3 */
    117 ; NOPINSERTION: movups %xmm0, 32(%esp)
    118 ; NOPINSERTION: movups %xmm1, 16(%esp)
    119 ; NOPINSERTION: movups 32(%esp), %xmm0
    120 ; NOPINSERTION: nop /* variant = 1 */
    121 ; NOPINSERTION: pshufd $49, 32(%esp), %xmm1
    122 ; NOPINSERTION: nop /* variant = 4 */
    123 ; NOPINSERTION: pshufd $49, 16(%esp), %xmm2
    124 ; NOPINSERTION: nop /* variant = 1 */
    125 ; NOPINSERTION: pmuludq 16(%esp), %xmm0
    126 ; NOPINSERTION: pmuludq %xmm2, %xmm1
    127 ; NOPINSERTION: nop /* variant = 0 */
    128 ; NOPINSERTION: shufps $136, %xmm1, %xmm0
    129 ; NOPINSERTION: nop /* variant = 3 */
    130 ; NOPINSERTION: pshufd $216, %xmm0, %xmm0
    131 ; NOPINSERTION: nop /* variant = 1 */
    132 ; NOPINSERTION: movups %xmm0, (%esp)
    133 ; NOPINSERTION: movups (%esp), %xmm0
    134 ; NOPINSERTION: addl $60, %esp
    135 ; NOPINSERTION: ret
    136 }
    137 
    138 
    139 
    140 define internal float @func2(float* %arg) {
    141 entry:
    142   %arg.int = ptrtoint float* %arg to i32
    143   %addr.int = add i32 %arg.int, 200000
    144   %addr.ptr = inttoptr i32 %addr.int to float*
    145   %addr.load = load float, float* %addr.ptr, align 4
    146   ret float %addr.load
    147 
    148 ; BLINDINGO2-LABEL: func2
    149 ; BLINDINGO2: lea [[REG:e[a-z]*]],{{[[]}}{{e[a-z]*}}+0x69ed4ee7{{[]]}}
    150 }
    151 
    152 define internal float @func3(i32 %arg, float %input) {
    153 entry:
    154   switch i32 %arg, label %return [
    155     i32 0, label %sw.bb
    156     i32 1, label %sw.bb1
    157     i32 2, label %sw.bb2
    158     i32 3, label %sw.bb3
    159     i32 4, label %sw.bb4
    160   ]
    161 
    162 sw.bb:
    163   %rbb = fadd float %input, 1.000000e+00
    164   br label %return
    165 
    166 sw.bb1:
    167   %rbb1 = fadd float %input, 2.000000e+00
    168   br label %return
    169 
    170 sw.bb2:
    171   %rbb2 = fadd float %input, 4.000000e+00
    172   br label %return
    173 
    174 sw.bb3:
    175   %rbb3 = fadd float %input, 5.000000e-01
    176   br label %return
    177 
    178 sw.bb4:
    179   %rbb4 = fadd float %input, 2.500000e-01
    180   br label %return
    181 
    182 return:
    183   %retval.0 = phi float [ %rbb, %sw.bb ], [ %rbb1, %sw.bb1 ], [ %rbb2, %sw.bb2 ], [ %rbb3, %sw.bb3 ], [ %rbb4, %sw.bb4], [ 0.000000e+00, %entry ]
    184   ret float %retval.0
    185 }
    186 
    187 define internal <4 x i32> @func4(<4 x i32> %a, <4 x i32> %b) {
    188 entry:
    189   %res = mul <4 x i32> %a, %b
    190   ret <4 x i32> %res
    191 
    192 ; REGALLOC-LABEL: func4
    193 ; REGALLOC: movups  xmm3,xmm0
    194 ; REGALLOC-NEXT: pshufd  xmm0,xmm0,0x31
    195 ; REGALLOC-NEXT: pshufd  xmm4,xmm1,0x31
    196 ; REGALLOC-NEXT: pmuludq xmm3,xmm1
    197 ; REGALLOC-NEXT: pmuludq xmm0,xmm4
    198 ; REGALLOC-NEXT: shufps  xmm3,xmm0,0x88
    199 ; REGALLOC-NEXT: pshufd  xmm3,xmm3,0xd8
    200 ; REGALLOC-NEXT: movups  xmm0,xmm3
    201 ; REGALLOC-NEXT: ret
    202 }
    203 
    204 define internal void @func5(i32 %foo, i32 %bar) {
    205 entry:
    206   %r1 = icmp eq i32 %foo, %bar
    207   br i1 %r1, label %BB1, label %BB2
    208 BB1:
    209   %r2 = icmp sgt i32 %foo, %bar
    210   br i1 %r2, label %BB3, label %BB4
    211 BB2:
    212   %r3 = icmp slt i32 %foo, %bar
    213   br i1 %r3, label %BB3, label %BB4
    214 BB3:
    215   ret void
    216 BB4:
    217   ret void
    218 
    219 ; BBREORDERING-LABEL: func5:
    220 ; BBREORDERING: .Lfunc5$entry:
    221 ; BBREORDERING: .Lfunc5$BB1:
    222 ; BBREORDERING: .Lfunc5$BB2:
    223 ; BBREORDERING: .Lfunc5$BB4:
    224 ; BBREORDERING: .Lfunc5$BB3
    225 }
    226 
    227 define internal i32 @func6(i32 %arg) {
    228 entry:
    229   %res = add i32 200000, %arg
    230   ret i32 %res
    231 
    232 ; BLINDINGO2-LABEL: func6
    233 ; BLINDINGO2: mov [[REG:e[a-z]*]],0x77254ee7
    234 ; BLINDINGO2-NEXT: lea [[REG]],{{[[]}}[[REG]]-0x772241a7{{[]]}}
    235 }
    236 
    237 ; Check for function reordering
    238 ; FUNCREORDERING-LABEL: func1
    239 ; FUNCREORDERING-LABEL: func4
    240 ; FUNCREORDERING-LABEL: func5
    241 ; FUNCREORDERING-LABEL: func2
    242 ; FUNCREORDERING-LABEL: func6
    243 ; FUNCREORDERING-LABEL: func3
    244 
    245 ; Check for global variable reordering
    246 ; GLOBALVARS-LABEL: ArrayInit
    247 ; GLOBALVARS-LABEL: PrimitiveInit
    248 ; GLOBALVARS-LABEL: ArrayInitPartial
    249 ; GLOBALVARS-LABEL: PrimitiveUninit
    250 ; GLOBALVARS-LABEL: ArrayUninit
    251 ; GLOBALVARS-LABEL: PrimitiveInitStatic
    252 ; GLOBALVARS-LABEL: ArrayUninitConstDouble
    253 ; GLOBALVARS-LABEL: ArrayUninitConstInt
    254 ; GLOBALVARS-LABEL: PrimitiveInitConst
    255 
    256 ; Check for pooled constant reordering
    257 ; POOLEDCONSTANTS-LABEL: .rodata.cst4
    258 ; POOLEDCONSTANTS: 0000803e 0000803f 0000003f 00008040
    259 ; POOLEDCONSTANTS: 00000040
    260