annotate test/CodeGen/X86/fast-isel-constant.ll @ 0:95c75e76d11b LLVM3.4

LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
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children 803732b1fca8
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc < %s -march=x86-64 -O0 | FileCheck %s
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2 ; Make sure fast-isel doesn't reset the materialised constant map
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3 ; across an intrinsic call.
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4
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5 ; CHECK: movl $100000
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6 ; CHECK-NOT: movl $100000
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7 define i1 @test1(i32 %v1, i32 %v2, i32* %X) nounwind {
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8 entry:
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9 %a = shl i32 100000, %v1
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10 %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %a, i32 %v2)
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11 %ext = extractvalue {i32, i1} %t, 0
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12 %sum = shl i32 100000, %ext
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13 %obit = extractvalue {i32, i1} %t, 1
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14 br i1 %obit, label %overflow, label %normal
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15
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16 normal:
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17 store i32 %sum, i32* %X
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18 br label %overflow
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19
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20 overflow:
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21 ret i1 false
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22 }
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24 declare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32)