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annotate test/CodeGen/X86/inline-asm.ll @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents 54457678186b
children 803732b1fca8
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54457678186b LLVM 3.6
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1 ; RUN: llc < %s -march=x86 -no-integrated-as
0
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2
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3 define i32 @test1() nounwind {
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4 ; Dest is AX, dest type = i32.
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5 %tmp4 = call i32 asm sideeffect "FROB $0", "={ax}"()
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6 ret i32 %tmp4
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7 }
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8
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9 define void @test2(i32 %V) nounwind {
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10 ; input is AX, in type = i32.
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11 call void asm sideeffect "FROB $0", "{ax}"(i32 %V)
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12 ret void
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13 }
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14
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15 define void @test3() nounwind {
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16 ; FP constant as a memory operand.
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17 tail call void asm sideeffect "frob $0", "m"( float 0x41E0000000000000)
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18 ret void
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19 }
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20
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21 define void @test4() nounwind {
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22 ; J means a constant in range 0 to 63.
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23 tail call void asm sideeffect "bork $0", "J"(i32 37) nounwind
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24 ret void
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25 }
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26
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27 ; rdar://9738585
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28 define i32 @test5() nounwind {
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29 entry:
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30 %0 = tail call i32 asm "test", "=l,~{dirflag},~{fpsr},~{flags}"() nounwind
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31 ret i32 0
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32 }
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33
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34 ; rdar://9777108 PR10352
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35 define void @test6(i1 zeroext %desired) nounwind {
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36 entry:
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37 tail call void asm sideeffect "foo $0", "q,~{dirflag},~{fpsr},~{flags}"(i1 %desired) nounwind
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38 ret void
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39 }
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40
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41 define void @test7(i1 zeroext %desired, i32* %p) nounwind {
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42 entry:
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43 %0 = tail call i8 asm sideeffect "xchg $0, $1", "=r,*m,0,~{memory},~{dirflag},~{fpsr},~{flags}"(i32* %p, i1 %desired) nounwind
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44 ret void
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45 }
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46
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47 ; <rdar://problem/11542429>
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48 ; The constrained GR32_ABCD register class of the 'q' constraint requires
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49 ; special handling after the preceding outputs used up eax-edx.
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50 define void @constrain_abcd(i8* %h) nounwind ssp {
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51 entry:
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52 %0 = call { i32, i32, i32, i32, i32 } asm sideeffect "", "=&r,=&r,=&r,=&r,=&q,r,~{ecx},~{memory},~{dirflag},~{fpsr},~{flags}"(i8* %h) nounwind
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53 ret void
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54 }
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55
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56 ; Mix normal and EC defs of the same register.
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57 define i32 @pr14376() nounwind noinline {
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58 entry:
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59 %asm = tail call i32 asm sideeffect "", "={ax},i,~{eax},~{flags},~{rax}"(i64 61) nounwind
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60 ret i32 %asm
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61 }
33
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62
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63 @test8_v = global i32 42
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64
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65 define void @test8() {
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66 call void asm sideeffect "${0:P}", "i"( i32* @test8_v )
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67 ret void
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68 }
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69
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70 define void @test9() {
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71 call void asm sideeffect "${0:P}", "X"( i8* blockaddress(@test9, %bb) )
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72 br label %bb
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73
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74 bb:
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75 ret void
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76 }