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181f7cc0f3
The MC assembler doesn't like using the empty string as a private label prefix because then it treats all labels as private. This commit reverts back to the default prefix, which is .L, which is common in ELF targets and consistent with the LLVM name mangler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257083 91177308-0d34-0410-b5e6-96231b3b80d8
48 lines
1.1 KiB
LLVM
48 lines
1.1 KiB
LLVM
; RUN: llc < %s -asm-verbose=false -verify-machineinstrs | FileCheck %s
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; Test that phis are lowered.
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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; Basic phi triangle.
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; CHECK-LABEL: test0:
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; CHECK: div_s $[[NUM0:[0-9]+]]=, $0, $pop[[NUM1:[0-9]+]]{{$}}
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; CHECK: return $[[NUM0]]{{$}}
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define i32 @test0(i32 %p) {
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entry:
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%t = icmp slt i32 %p, 0
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br i1 %t, label %true, label %done
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true:
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%a = sdiv i32 %p, 3
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br label %done
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done:
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%s = phi i32 [ %a, %true ], [ %p, %entry ]
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ret i32 %s
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}
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; Swap phis.
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; CHECK-LABEL: test1:
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; CHECK: .LBB1_1:
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; CHECK: copy_local $[[NUM0:[0-9]+]]=, $[[NUM1:[0-9]+]]{{$}}
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; CHECK: copy_local $[[NUM1]]=, $[[NUM2:[0-9]+]]{{$}}
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; CHECK: copy_local $[[NUM2]]=, $[[NUM0]]{{$}}
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define i32 @test1(i32 %n) {
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entry:
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br label %loop
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loop:
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%a = phi i32 [ 0, %entry ], [ %b, %loop ]
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%b = phi i32 [ 1, %entry ], [ %a, %loop ]
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%i = phi i32 [ 0, %entry ], [ %i.next, %loop ]
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%i.next = add i32 %i, 1
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%t = icmp slt i32 %i.next, %n
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br i1 %t, label %loop, label %exit
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exit:
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ret i32 %a
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}
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