93abd7d915
Summary: As metioned in https://reviews.llvm.org/D34576, checkings in `collectConstantCandidates` can be replaced by using `llvm::canReplaceOperandWithVariable`. The only special case is that `collectConstantCandidates` return false for all `IntrinsicInst` but it is safe for us to collect constant candidates from `IntrinsicInst`. Reviewers: pirama, efriedma, srhines Reviewed By: efriedma Subscribers: llvm-commits, javed.absar Differential Revision: https://reviews.llvm.org/D34921 llvm-svn: 307587
32 lines
1.7 KiB
LLVM
32 lines
1.7 KiB
LLVM
; RUN: opt -consthoist -S < %s | FileCheck %s
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target triple = "thumbv6m-none-eabi"
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%T = type { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32 }
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; The second operand of insertvalue is able to be hoisted.
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define void @test1(%T %P) {
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; CHECK-LABEL: @test1
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; CHECK: %const = bitcast i32 256 to i32
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; CHECK: %1 = insertvalue %T %P, i32 %const, 256
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; CHECK: %2 = insertvalue %T %P, i32 %const, 256
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%1 = insertvalue %T %P, i32 256, 256
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%2 = insertvalue %T %P, i32 256, 256
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ret void
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}
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