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010311b104
fexhaustive-register-search => exhaustive-register-search 'f' is a Clang thing! This is related to PR18747. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206075 91177308-0d34-0410-b5e6-96231b3b80d8
182 lines
8.2 KiB
LLVM
182 lines
8.2 KiB
LLVM
; RUN: llc -regalloc=greedy -relocation-model=pic < %s 2>&1 | FileCheck %s
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; Without the last chance recoloring, this test fails with:
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; "ran out of registers".
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; RUN: not llc -regalloc=greedy -relocation-model=pic -lcr-max-depth=0 < %s 2>&1 | FileCheck %s --check-prefix=CHECK-DEPTH
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; Test whether failure due to cutoff for depth is reported
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; RUN: not llc -regalloc=greedy -relocation-model=pic -lcr-max-interf=1 < %s 2>&1 | FileCheck %s --check-prefix=CHECK-INTERF
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; Test whether failure due to cutoff for interference is reported
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; RUN: llc -regalloc=greedy -relocation-model=pic -lcr-max-interf=1 -lcr-max-depth=0 -exhaustive-register-search < %s > %t 2>&1
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; RUN: FileCheck --input-file=%t %s --check-prefix=CHECK-EXHAUSTIVE
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; Test whether exhaustive-register-search can bypass the depth and interference cutoffs of last chance recoloring
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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-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32-S128"
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target triple = "i386-apple-macosx"
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@fp_dh_36985b17790d59a27994eaab5dcb00ee = external constant [499 x i32]
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@fp_dh_18716afa4a5354de0a302c8edb3b0ee1 = external global i32
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@fp_dh_20a33cdeefab8f4c8887e82766cb9dcb = external global i8*
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@fp_dh_9d93c897906e39883c58b034c8e786b2 = external global [5419648 x i8], align 16
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; Function Attrs: nounwind ssp
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; CHECK-NOT: ran out of registers during register allocation
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; CHECK-INTERF: error: register allocation failed: maximum interference for recoloring reached
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; CHECK-DEPTH: error: register allocation failed: maximum depth for recoloring reached
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; CHECK-EXHAUSTIVE-NOT: error: register allocation failed: maximum {{depth|interference}} for recoloring reached
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define void @fp_dh_f870bf31fd8ffe068450366e3f05389a(i8* %arg) #0 {
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bb:
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indirectbr i8* undef, [label %bb85, label %bb206]
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bb85: ; preds = %bb222, %bb85, %bb
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store i8* blockaddress(@fp_dh_f870bf31fd8ffe068450366e3f05389a, %bb206), i8** undef, align 4
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indirectbr i8* undef, [label %bb439, label %bb85]
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bb206: ; preds = %bb
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%tmp = getelementptr [499 x i32]* @fp_dh_36985b17790d59a27994eaab5dcb00ee, i32 0, i32 undef
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%tmp207 = load i32* %tmp
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%tmp208 = add i32 %tmp207, 1
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%tmp209 = inttoptr i32 %tmp208 to i8*
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indirectbr i8* %tmp209, [label %bb213]
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bb213: ; preds = %bb206
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%tmp214 = load i32* @fp_dh_18716afa4a5354de0a302c8edb3b0ee1, align 4
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%tmp215 = load i8** @fp_dh_20a33cdeefab8f4c8887e82766cb9dcb, align 4
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%tmp216 = urem i32 -717428541, %tmp214
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%tmp217 = getelementptr i8* %tmp215, i32 %tmp216
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%tmp218 = bitcast i8* %tmp217 to i32*
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%tmp219 = load i32* %tmp218, align 4
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store i32 %tmp219, i32* undef, align 4
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%tmp220 = select i1 false, i32 359373646, i32 1677237955
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%tmp221 = add i32 %tmp220, 0
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indirectbr i8* undef, [label %bb432, label %bb222]
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bb222: ; preds = %bb213
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%tmp224 = load i32* undef, align 4
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%tmp225 = load i32* undef, align 4
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%tmp226 = xor i32 %tmp225, %tmp224
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%tmp227 = shl i32 %tmp226, 1
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%tmp228 = and i32 %tmp227, -2048880334
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%tmp229 = sub i32 0, %tmp228
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%tmp230 = add i32 0, %tmp229
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%tmp231 = xor i32 %tmp230, 1059356227
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%tmp232 = mul i32 %tmp231, 1603744721
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%tmp233 = urem i32 %tmp232, 259
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%tmp234 = getelementptr [259 x i8]* bitcast (i8* getelementptr inbounds ([5419648 x i8]* @fp_dh_9d93c897906e39883c58b034c8e786b2, i32 0, i32 2039075) to [259 x i8]*), i32 0, i32 %tmp233
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%tmp235 = load i8* %tmp234, align 1
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%tmp236 = add i32 %tmp233, 2
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%tmp237 = getelementptr [264 x i8]* bitcast (i8* getelementptr inbounds ([5419648 x i8]* @fp_dh_9d93c897906e39883c58b034c8e786b2, i32 0, i32 3388166) to [264 x i8]*), i32 0, i32 %tmp236
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%tmp238 = load i8* %tmp237, align 1
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%tmp239 = getelementptr [265 x i8]* bitcast (i8* getelementptr inbounds ([5419648 x i8]* @fp_dh_9d93c897906e39883c58b034c8e786b2, i32 0, i32 1325165) to [265 x i8]*), i32 0, i32 0
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%tmp240 = load i8* %tmp239, align 1
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%tmp241 = add i32 %tmp233, 6
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%tmp242 = trunc i32 %tmp241 to i8
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%tmp243 = mul i8 %tmp242, -3
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%tmp244 = add i8 %tmp243, 3
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%tmp245 = mul i8 %tmp242, -6
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%tmp246 = and i8 %tmp245, 6
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%tmp247 = sub i8 0, %tmp246
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%tmp248 = add i8 %tmp244, %tmp247
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%tmp249 = load i8* undef, align 1
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%tmp250 = xor i8 %tmp235, 17
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%tmp251 = xor i8 %tmp250, %tmp238
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%tmp252 = xor i8 %tmp251, %tmp240
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%tmp253 = xor i8 %tmp252, %tmp249
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%tmp254 = xor i8 %tmp253, %tmp248
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%tmp255 = zext i8 %tmp254 to i16
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%tmp256 = shl nuw i16 %tmp255, 8
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%tmp257 = load i8* null, align 1
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%tmp258 = load i32* @fp_dh_18716afa4a5354de0a302c8edb3b0ee1, align 4
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%tmp259 = load i8** @fp_dh_20a33cdeefab8f4c8887e82766cb9dcb, align 4
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%tmp260 = urem i32 -717428541, %tmp258
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%tmp261 = getelementptr i8* %tmp259, i32 %tmp260
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%tmp262 = bitcast i8* %tmp261 to i32*
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%tmp263 = load i32* %tmp262, align 4
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%tmp264 = xor i32 %tmp263, 0
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%tmp265 = shl i32 %tmp264, 1
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%tmp266 = and i32 %tmp265, -1312119832
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%tmp267 = sub i32 0, %tmp266
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%tmp268 = add i32 0, %tmp267
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%tmp269 = xor i32 %tmp268, 623994670
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%tmp270 = mul i32 %tmp269, 1603744721
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%tmp271 = urem i32 %tmp270, 259
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%tmp274 = add i32 %tmp271, 3
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%tmp275 = getelementptr [265 x i8]* bitcast (i8* getelementptr inbounds ([5419648 x i8]* @fp_dh_9d93c897906e39883c58b034c8e786b2, i32 0, i32 1325165) to [265 x i8]*), i32 0, i32 %tmp274
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%tmp276 = load i8* %tmp275, align 1
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%tmp277 = add i32 %tmp271, 6
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%tmp278 = trunc i32 %tmp277 to i8
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%tmp279 = mul i8 %tmp278, -3
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%tmp280 = add i8 %tmp279, 31
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%tmp281 = add i8 %tmp280, 0
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%tmp282 = xor i8 %tmp257, 13
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%tmp283 = xor i8 %tmp282, 0
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%tmp284 = xor i8 %tmp283, 0
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%tmp285 = xor i8 %tmp284, %tmp276
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%tmp286 = xor i8 %tmp285, %tmp281
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%tmp287 = zext i8 %tmp286 to i16
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%tmp288 = or i16 %tmp287, %tmp256
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%tmp289 = xor i16 %tmp288, 14330
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%tmp290 = add i16 0, %tmp289
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%tmp291 = add i16 %tmp290, -14330
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%tmp292 = zext i16 %tmp291 to i32
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%tmp293 = add i16 %tmp290, -14330
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%tmp294 = lshr i16 %tmp293, 12
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%tmp295 = zext i16 %tmp294 to i32
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%tmp296 = sub i32 0, %tmp295
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%tmp297 = xor i32 %tmp296, 16
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%tmp298 = add i32 0, %tmp297
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%tmp299 = and i32 %tmp298, 31
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%tmp300 = and i32 %tmp292, 30864
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%tmp301 = shl i32 %tmp300, %tmp299
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%tmp302 = xor i32 0, %tmp301
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%tmp303 = add i32 0, %tmp302
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%tmp304 = and i32 %tmp298, 31
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%tmp305 = and i32 %tmp303, 25568
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%tmp306 = lshr i32 %tmp305, %tmp304
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%tmp307 = xor i32 0, %tmp306
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%tmp308 = add i32 0, %tmp307
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%tmp309 = trunc i32 %tmp308 to i16
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%tmp310 = shl i16 %tmp309, 1
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%tmp311 = and i16 %tmp310, -4648
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%tmp312 = shl i16 %tmp309, 1
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%tmp313 = and i16 %tmp312, 4646
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%tmp314 = xor i16 %tmp311, 17700
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%tmp315 = xor i16 %tmp313, 17700
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%tmp316 = add i16 %tmp314, %tmp315
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%tmp317 = and i16 %tmp314, %tmp315
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%tmp318 = shl nuw i16 %tmp317, 1
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%tmp319 = sub i16 0, %tmp318
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%tmp320 = add i16 %tmp316, %tmp319
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%tmp321 = and i16 %tmp320, 29906
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%tmp322 = xor i16 %tmp309, 14953
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%tmp323 = add i16 0, %tmp322
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%tmp324 = sub i16 0, %tmp321
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%tmp325 = xor i16 %tmp324, %tmp323
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%tmp326 = add i16 0, %tmp325
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%tmp327 = add i32 %tmp221, 1161362661
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%tmp333 = icmp eq i16 %tmp326, 14953
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%tmp334 = add i32 %tmp327, -1456704142
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%tmp335 = zext i1 %tmp333 to i32
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%tmp336 = add i32 %tmp334, %tmp335
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%tmp337 = getelementptr [499 x i32]* @fp_dh_36985b17790d59a27994eaab5dcb00ee, i32 0, i32 %tmp336
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%tmp338 = load i32* %tmp337
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%tmp339 = add i32 %tmp338, 1
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%tmp340 = inttoptr i32 %tmp339 to i8*
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indirectbr i8* %tmp340, [label %bb85, label %bb439]
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bb432: ; preds = %bb432, %bb213
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%tmp433 = phi i32 [ %tmp221, %bb213 ], [ %tmp433, %bb432 ]
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%tmp434 = add i32 %tmp433, 1022523279
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%tmp435 = getelementptr [499 x i32]* @fp_dh_36985b17790d59a27994eaab5dcb00ee, i32 0, i32 %tmp434
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%tmp436 = load i32* %tmp435
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%tmp437 = add i32 %tmp436, 1
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%tmp438 = inttoptr i32 %tmp437 to i8*
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indirectbr i8* %tmp438, [label %bb432]
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bb439: ; preds = %bb222, %bb85
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ret void
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}
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attributes #0 = { nounwind ssp "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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