Mercurial > hg > CbC > CbC_llvm

annotate test/CodeGen/Thumb2/thumb2-sxt_rot.ll @ 146:3fc4d5c3e21e

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set tail call flag for code segment in CGCAll
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 23 Dec 2018 19:23:36 +0900
parents 803732b1fca8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 ; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s %s -o - | FileCheck %s --check-prefix=CHECK-DSP
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2 ; RUN: llc -mtriple=thumb-eabi -mcpu=cortex-m3 %s -o - | FileCheck %s --check-prefix=CHECK-NO-DSP
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3 ; RUN: llc -mtriple=thumbv7em-eabi %s -o - | FileCheck %s -check-prefix=CHECK-DSP
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4 ; RUN: llc -mtriple=thumbv8m.main-none-eabi %s -o - | FileCheck %s -check-prefix=CHECK-NO-DSP
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5 ; RUN: llc -mtriple=thumbv8m.main-none-eabi -mattr=+dsp %s -o - | FileCheck %s -check-prefix=CHECK-DSP
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6
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7 define i32 @test0(i8 %A) {
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8 ; CHECK-LABEL: test0:
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9 ; CHECK-DSP: sxtb r0, r0
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10 ; CHECK-NO-DSP: sxtb r0, r0
0
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11 %B = sext i8 %A to i32
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12 ret i32 %B
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13 }
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15 define signext i8 @test1(i32 %A) {
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16 ; CHECK-LABEL: test1:
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17 ; CHECK-DSP: sbfx r0, r0, #8, #8
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18 ; CHECK-NO-DSP: sbfx r0, r0, #8, #8
0
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19 %B = lshr i32 %A, 8
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20 %C = shl i32 %A, 24
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21 %D = or i32 %B, %C
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22 %E = trunc i32 %D to i8
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23 ret i8 %E
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24 }
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25
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26 define signext i32 @test2(i32 %A, i32 %X) {
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27 ; CHECK-LABEL: test2:
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28 ; CHECK-DSP: sxtab r0, r1, r0, ror #8
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29 ; CHECK-NO-DSP-NOT: sxtab
0
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30 %B = lshr i32 %A, 8
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31 %C = shl i32 %A, 24
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32 %D = or i32 %B, %C
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33 %E = trunc i32 %D to i8
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34 %F = sext i8 %E to i32
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35 %G = add i32 %F, %X
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36 ret i32 %G
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37 }
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39 define i32 @test3(i32 %A, i32 %X) {
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40 ; CHECK-LABEL: test3:
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41 ; CHECK-DSP: sxtah r0, r0, r1, ror #8
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42 ; CHECK-NO-DSP-NOT: sxtah
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43 %X.hi = lshr i32 %X, 8
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44 %X.trunc = trunc i32 %X.hi to i16
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45 %addend = sext i16 %X.trunc to i32
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46 %sum = add i32 %A, %addend
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47 ret i32 %sum
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48 }
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49
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50 define signext i32 @test4(i32 %A, i32 %X) {
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51 ; CHECK-LABEL: test4:
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52 ; CHECK-DSP: sxtab r0, r1, r0, ror #16
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53 ; CHECK-NO-DSP-NOT: sxtab
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54 %B = lshr i32 %A, 16
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55 %C = shl i32 %A, 16
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56 %D = or i32 %B, %C
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57 %E = trunc i32 %D to i8
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58 %F = sext i8 %E to i32
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59 %G = add i32 %F, %X
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60 ret i32 %G
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61 }
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62
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63 define signext i32 @test5(i32 %A, i32 %X) {
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64 ; CHECK-LABEL: test5:
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65 ; CHECK-DSP: sxtah r0, r1, r0, ror #24
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66 ; CHECK-NO-DSP-NOT: sxtah
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67 %B = lshr i32 %A, 24
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68 %C = shl i32 %A, 8
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69 %D = or i32 %B, %C
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70 %E = trunc i32 %D to i16
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71 %F = sext i16 %E to i32
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72 %G = add i32 %F, %X
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73 ret i32 %G
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74 }