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annotate test/CodeGen/X86/2009-04-25-CoalescerBug.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 -march=x86-64 | grep mov | count 2
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2 ; rdar://6806252
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95c75e76d11b LLVM 3.4
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4 define i64 @test(i32* %tmp13) nounwind {
95c75e76d11b LLVM 3.4
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5 entry:
95c75e76d11b LLVM 3.4
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6 br label %while.cond
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8 while.cond: ; preds = %while.cond, %entry
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afa8332a0e37 LLVM 3.8
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9 %tmp15 = load i32, i32* %tmp13 ; <i32> [#uses=2]
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10 %bf.lo = lshr i32 %tmp15, 1 ; <i32> [#uses=1]
95c75e76d11b LLVM 3.4
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11 %bf.lo.cleared = and i32 %bf.lo, 2147483647 ; <i32> [#uses=1]
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12 %conv = zext i32 %bf.lo.cleared to i64 ; <i64> [#uses=1]
95c75e76d11b LLVM 3.4
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13 %bf.lo.cleared25 = and i32 %tmp15, 1 ; <i32> [#uses=1]
95c75e76d11b LLVM 3.4
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14 %tobool = icmp ne i32 %bf.lo.cleared25, 0 ; <i1> [#uses=1]
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15 br i1 %tobool, label %while.cond, label %while.end
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17 while.end: ; preds = %while.cond
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18 ret i64 %conv
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19 }