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annotate test/CodeGen/X86/uint64-to-float.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 95c75e76d11b
children 1172e4bd9c6f
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc < %s -mcpu=generic -march=x86-64 | FileCheck %s
95c75e76d11b LLVM 3.4
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2 ; Verify that we are using the efficient uitofp --> sitofp lowering illustrated
95c75e76d11b LLVM 3.4
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3 ; by the compiler_rt implementation of __floatundisf.
95c75e76d11b LLVM 3.4
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4 ; <rdar://problem/8493982>
95c75e76d11b LLVM 3.4
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5
95c75e76d11b LLVM 3.4
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6 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"
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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7 target triple = "x86_64-apple-darwin10.0.0"
95c75e76d11b LLVM 3.4
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8
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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9 ; CHECK: andl
afa8332a0e37 LLVM 3.8
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10 ; CHECK-NEXT: testq %rdi, %rdi
0
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11 ; CHECK-NEXT: js LBB0_1
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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12 ; CHECK: cvtsi2ss
95c75e76d11b LLVM 3.4
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13 ; CHECK-NEXT: ret
95c75e76d11b LLVM 3.4
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14 ; CHECK: LBB0_1
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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15 ; CHECK: shrq
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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16 ; CHECK-NEXT: orq
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17 ; CHECK-NEXT: cvtsi2ss
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18 define float @test(i64 %a) {
95c75e76d11b LLVM 3.4
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19 entry:
95c75e76d11b LLVM 3.4
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20 %b = uitofp i64 %a to float
95c75e76d11b LLVM 3.4
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21 ret float %b
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22 }