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annotate llvm/test/Transforms/ConstProp/phi.ll @ 201:a96fbbdf2d0f

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Fri, 04 Jun 2021 21:07:06 +0900
parents 1d019706d866
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 ; This is a basic sanity check for constant propagation. The add instruction
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2 ; should be eliminated.
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3
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4 ; RUN: opt < %s -constprop -die -S | not grep phi
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5
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6 define i32 @test(i1 %B) {
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7 BB0:
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8 br i1 %B, label %BB1, label %BB3
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9
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10 BB1: ; preds = %BB0
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11 br label %BB3
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12
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13 BB3: ; preds = %BB1, %BB0
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14 %Ret = phi i32 [ 1, %BB0 ], [ 1, %BB1 ] ; <i32> [#uses=1]
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15 ret i32 %Ret
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16 }
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17