mirror of
https://github.com/c64scene-ar/llvm-6502.git
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62657090de
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186883 91177308-0d34-0410-b5e6-96231b3b80d8
59 lines
2.0 KiB
LLVM
59 lines
2.0 KiB
LLVM
; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | 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-macosx10.9.0"
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; int foo(int *A) {
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; int r = A[0], g = A[1], b = A[2];
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; for (int i=0; i < A[13]; i++)
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; r*=18; g*=19; b*=12;
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; A[0] = r; A[1] = g; A[2] = b;
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; }
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;CHECK-LABEL: @foo
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;CHECK: bitcast i32* %A to <3 x i32>*
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;CHECK-NEXT: load <3 x i32>
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;CHECK: phi <3 x i32>
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;CHECK-NEXT: mul <3 x i32>
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;CHECK-NOT: mul
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;CHECK: phi <3 x i32>
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;CHECK: bitcast i32* %A to <3 x i32>*
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;CHECK-NEXT: store <3 x i32>
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;CHECK-NEXT:ret i32 undef
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define i32 @foo(i32* nocapture %A) {
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entry:
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%0 = load i32* %A, align 4
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%arrayidx1 = getelementptr inbounds i32* %A, i64 1
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%1 = load i32* %arrayidx1, align 4
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%arrayidx2 = getelementptr inbounds i32* %A, i64 2
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%2 = load i32* %arrayidx2, align 4
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%arrayidx3 = getelementptr inbounds i32* %A, i64 13
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%3 = load i32* %arrayidx3, align 4
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%cmp18 = icmp sgt i32 %3, 0
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br i1 %cmp18, label %for.body, label %for.end
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for.body: ; preds = %entry, %for.body
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%i.022 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
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%b.021 = phi i32 [ %mul5, %for.body ], [ %2, %entry ]
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%g.020 = phi i32 [ %mul4, %for.body ], [ %1, %entry ]
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%r.019 = phi i32 [ %mul, %for.body ], [ %0, %entry ]
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%mul = mul nsw i32 %r.019, 18
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%mul4 = mul nsw i32 %g.020, 19
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%mul5 = mul nsw i32 %b.021, 12
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%inc = add nsw i32 %i.022, 1
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%cmp = icmp slt i32 %inc, %3
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br i1 %cmp, label %for.body, label %for.end
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for.end: ; preds = %for.body, %entry
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%b.0.lcssa = phi i32 [ %2, %entry ], [ %mul5, %for.body ]
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%g.0.lcssa = phi i32 [ %1, %entry ], [ %mul4, %for.body ]
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%r.0.lcssa = phi i32 [ %0, %entry ], [ %mul, %for.body ]
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store i32 %r.0.lcssa, i32* %A, align 4
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store i32 %g.0.lcssa, i32* %arrayidx1, align 4
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store i32 %b.0.lcssa, i32* %arrayidx2, align 4
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ret i32 undef
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}
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