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https://github.com/c64scene-ar/llvm-6502.git
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975b1ddf60
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180570 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
1.2 KiB
LLVM
37 lines
1.2 KiB
LLVM
; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.8.0"
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;CHECK: add_ints
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;CHECK: br
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;CHECK: getelementptr
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;CHECK-NEXT: getelementptr
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;CHECK-NEXT: icmp uge
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;CHECK-NEXT: icmp uge
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;CHECK-NEXT: icmp uge
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;CHECK-NEXT: icmp uge
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;CHECK-NEXT: and
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;CHECK: ret
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define void @add_ints(i32* nocapture %A, i32* nocapture %B, i32* nocapture %C) {
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entry:
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br label %for.body
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for.body:
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
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%arrayidx = getelementptr inbounds i32* %B, i64 %indvars.iv
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%0 = load i32* %arrayidx, align 4
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%arrayidx2 = getelementptr inbounds i32* %C, i64 %indvars.iv
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%1 = load i32* %arrayidx2, align 4
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%add = add nsw i32 %1, %0
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%arrayidx4 = getelementptr inbounds i32* %A, i64 %indvars.iv
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store i32 %add, i32* %arrayidx4, align 4
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, 200
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br i1 %exitcond, label %for.end, label %for.body
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for.end:
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ret void
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}
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