Mercurial > hg > CbC > CbC_llvm

annotate polly/test/ScopInfo/infeasible-rtc.ll @ 252:1f2b6ac9f198 llvm-original

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LLVM16-1
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Fri, 18 Aug 2023 09:04:13 +0900
parents c4bab56944e8
children
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c4bab56944e8 LLVM 16
kono
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1 ; RUN: opt %loadPolly -polly-print-detect -disable-output < %s \
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2 ; RUN: | FileCheck %s -check-prefix=DETECT
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3
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c4bab56944e8 LLVM 16
kono
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4 ; RUN: opt %loadPolly -polly-print-scops -disable-output < %s \
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5 ; RUN: | FileCheck %s -check-prefix=SCOPS
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6
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7 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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8
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9 ; DETECT: Valid Region for Scop: test1.header => test1.exit
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10 ; SCOPS-NOT: Region: %test1.header---%test1.exit
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11
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12 ; Verify that we detect this scop, but that, due to an infeasible run-time
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13 ; check, we refuse to model it.
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1f2b6ac9f198 LLVM16-1
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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15 define void @test(ptr %a) nounwind uwtable {
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16 preheader:
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17 br label %test1.header
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18
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19 test1.header:
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20 %i = phi i56 [ 0, %preheader ], [ %i.1, %test1.header ]
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21 %tmp = zext i56 %i to i64
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1f2b6ac9f198 LLVM16-1
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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22 %A.addr = getelementptr i64, ptr %a, i64 %tmp
1f2b6ac9f198 LLVM16-1
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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23 %A.load = load i64, ptr %A.addr, align 4
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24 %A.inc = zext i56 %i to i64
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25 %A.val = add nsw i64 %A.load, %A.inc
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1f2b6ac9f198 LLVM16-1
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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26 store i64 %A.val, ptr %A.addr, align 4
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27 %i.1 = add i56 %i, 1
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28 %exitcond = icmp eq i56 %i.1, 0
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29 br i1 %exitcond, label %test1.exit, label %test1.header
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30
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31 test1.exit:
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32 ret void
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33 }
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34
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35 ; Old version of the previous test; make sure we compute the trip count
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36 ; correctly.
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37
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38 ; SCOPS: { Stmt_header[i0] : 0 <= i0 <= 127 };
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39
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1f2b6ac9f198 LLVM16-1
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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40 define void @test2(ptr %a) nounwind uwtable {
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41 preheader:
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42 br label %header
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43
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44 header:
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45 %i = phi i7 [ 0, %preheader ], [ %i.1, %header ]
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46 %tmp = zext i7 %i to i64
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1f2b6ac9f198 LLVM16-1
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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47 %A.addr = getelementptr [128 x i32], ptr %a, i64 0, i64 %tmp
1f2b6ac9f198 LLVM16-1
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 236
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48 %A.load = load i32, ptr %A.addr, align 4
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49 %A.inc = zext i7 %i to i32
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50 %A.val = add nsw i32 %A.load, %A.inc
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1f2b6ac9f198 LLVM16-1
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 236
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51 store i32 %A.val, ptr %A.addr, align 4
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52 %i.1 = add i7 %i, 1
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53 %exitcond = icmp eq i7 %i.1, 0
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54 br i1 %exitcond, label %exit, label %header
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55
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56 exit:
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57 ret void
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58 }