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b831a5dabd
Reviewers: MatzeB, mcrosier, rengolin Differential Revision: https://reviews.llvm.org/D25894 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@285003 91177308-0d34-0410-b5e6-96231b3b80d8
41 lines
983 B
LLVM
41 lines
983 B
LLVM
; RUN: opt -S -simplifycfg < %s | FileCheck %s
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
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target triple = "armv7a--none-eabi"
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; One of the phi node's values is too complex to be represented by a global
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; variable, so we can't convert to a lookup table.
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; CHECK-NOT: @switch.table
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; CHECK-NOT: load
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@g1 = external global i32, align 4
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@g2 = external global i32, align 4
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@g3 = external global i32, align 4
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@g4 = external thread_local global i32, align 4
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define i32* @test3(i32 %n) {
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entry:
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switch i32 %n, label %sw.default [
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i32 0, label %sw.bb
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i32 1, label %sw.bb1
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i32 2, label %sw.bb2
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]
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sw.bb:
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br label %return
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sw.bb1:
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br label %return
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sw.bb2:
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br label %return
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sw.default:
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br label %return
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return:
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%retval.0 = phi i32* [ @g4, %sw.default ], [ getelementptr inbounds (i32, i32* inttoptr (i32 mul (i32 ptrtoint (i32* @g3 to i32), i32 2) to i32*), i32 1), %sw.bb2 ], [ @g2, %sw.bb1 ], [ @g1, %sw.bb ]
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ret i32* %retval.0
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}
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