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https://github.com/c64scene-ar/llvm-6502.git
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3b85f30319
The bug can cause spec2006/483.xalancbmk failure. Patched by David Xu. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215206 91177308-0d34-0410-b5e6-96231b3b80d8
33 lines
940 B
LLVM
33 lines
940 B
LLVM
; RUN: llc -O3 -mcpu=cortex-a57 < %s | FileCheck %s
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; CHECK-LABLE: @test
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; CHECK: tst [[CMP:x[0-9]+]], #0x8000000000000000
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; CHECK: csel [[R0:x[0-9]+]], [[S0:x[0-9]+]], [[S1:x[0-9]+]], eq
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; CHECK: csel [[R1:x[0-9]+]], [[S2:x[0-9]+]], [[S3:x[0-9]+]], eq
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target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
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target triple = "arm64--linux-gnueabi"
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define void @test(i64 %a, i64* %ptr1, i64* %ptr2) #0 align 2 {
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entry:
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%conv = and i64 %a, 4294967295
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%add = add nsw i64 %conv, -1
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%div = sdiv i64 %add, 64
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%rem = srem i64 %add, 64
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%cmp = icmp slt i64 %rem, 0
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br i1 %cmp, label %if.then, label %exit
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if.then:
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%add2 = add nsw i64 %rem, 64
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%add3 = add i64 %div, -1
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br label %exit
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exit:
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%__n = phi i64 [ %add3, %if.then ], [ %div, %entry ]
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%__n.0 = phi i64 [ %add2, %if.then ], [ %rem, %entry ]
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store i64 %__n, i64* %ptr1
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store i64 %__n.0, i64* %ptr2
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ret void
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}
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