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annotate test/CodeGen/X86/umul-with-carry.ll @ 100:7d135dc70f03 LLVM 3.9

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LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents afa8332a0e37
children 803732b1fca8
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc < %s -march=x86 | grep "jc" | count 1
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2 ; XFAIL: *
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3
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4 ; FIXME: umul-with-overflow not supported yet.
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6 @ok = internal constant [4 x i8] c"%d\0A\00"
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7 @no = internal constant [4 x i8] c"no\0A\00"
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8
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9 define i1 @func(i32 %v1, i32 %v2) nounwind {
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10 entry:
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11 %t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2)
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12 %sum = extractvalue {i32, i1} %t, 0
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13 %obit = extractvalue {i32, i1} %t, 1
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14 br i1 %obit, label %carry, label %normal
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16 normal:
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17 %t1 = tail call i32 (i8*, ...) @printf( i8* getelementptr ([4 x i8], [4 x i8]* @ok, i32 0, i32 0), i32 %sum ) nounwind
0
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18 ret i1 true
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20 carry:
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afa8332a0e37 LLVM 3.8
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21 %t2 = tail call i32 (i8*, ...) @printf( i8* getelementptr ([4 x i8], [4 x i8]* @no, i32 0, i32 0) ) nounwind
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22 ret i1 false
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23 }
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25 declare i32 @printf(i8*, ...) nounwind
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26 declare {i32, i1} @llvm.umul.with.overflow.i32(i32, i32)