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annotate test/CodeGen/SPARC/spill.ll @ 128:c347d3398279 default tip

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fix
author mir3636
date Wed, 06 Dec 2017 14:37:17 +0900
parents afa8332a0e37
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc -march=sparc < %s | FileCheck %s
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2
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3 ;; Ensure that spills and reloads work for various types on
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4 ;; sparcv8.
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5
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6 ;; For i32/i64 tests, use an asm statement which clobbers most
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7 ;; registers to ensure the spill will happen.
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8
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9 ; CHECK-LABEL: test_i32_spill:
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10 ; CHECK: and %i0, %i1, %o0
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11 ; CHECK: st %o0, [%fp+{{.+}}]
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12 ; CHECK: add %o0, %o0, %g0
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13 ; CHECK: ld [%fp+{{.+}}, %i0
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14 define i32 @test_i32_spill(i32 %a, i32 %b) {
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15 entry:
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16 %r0 = and i32 %a, %b
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17 ; The clobber list has all registers except g0/o0. (Only o0 is usable.)
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18 %0 = call i32 asm sideeffect "add $0,$1,%g0", "=r,0,~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{i6},~{i7},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7},~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{o1},~{o2},~{o3},~{o4},~{o5},~{o6},~{o7}"(i32 %r0)
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19 ret i32 %r0
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20 }
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21
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22 ; CHECK-LABEL: test_i64_spill:
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23 ; CHECK: and %i0, %i2, %o0
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24 ; CHECK: and %i1, %i3, %o1
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25 ; CHECK: std %o0, [%fp+{{.+}}]
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26 ; CHECK: add %o0, %o0, %g0
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27 ; CHECK: ldd [%fp+{{.+}}, %i0
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28 define i64 @test_i64_spill(i64 %a, i64 %b) {
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29 entry:
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30 %r0 = and i64 %a, %b
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31 ; The clobber list has all registers except g0,g1,o0,o1. (Only o0/o1 are a usable pair)
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32 ; So, o0/o1 must be used.
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33 %0 = call i64 asm sideeffect "add $0,$1,%g0", "=r,0,~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{i6},~{i7},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7},~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{o2},~{o3},~{o4},~{o5},~{o7}"(i64 %r0)
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34 ret i64 %r0
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35 }
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36
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37 ;; For float/double tests, a call is a suitable clobber as *all* FPU
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38 ;; registers are caller-save on sparcv8.
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39
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40 ; CHECK-LABEL: test_float_spill:
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41 ; CHECK: fadds %f1, %f0, [[R:%[f][0-31]]]
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42 ; CHECK: st [[R]], [%fp+{{.+}}]
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43 ; CHECK: call
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44 ; CHECK: ld [%fp+{{.+}}, %f0
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45 declare float @foo_float(float)
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46 define float @test_float_spill(float %a, float %b) {
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47 entry:
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48 %r0 = fadd float %a, %b
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49 %0 = call float @foo_float(float %r0)
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50 ret float %r0
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51 }
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52
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53 ; CHECK-LABEL: test_double_spill:
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54 ; CHECK: faddd %f2, %f0, [[R:%[f][0-31]]]
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55 ; CHECK: std [[R]], [%fp+{{.+}}]
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56 ; CHECK: call
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57 ; CHECK: ldd [%fp+{{.+}}, %f0
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58 declare double @foo_double(double)
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59 define double @test_double_spill(double %a, double %b) {
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60 entry:
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61 %r0 = fadd double %a, %b
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62 %0 = call double @foo_double(double %r0)
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63 ret double %r0
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64 }