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https://github.com/c64scene-ar/llvm-6502.git
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50bec6f8c4
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166620 91177308-0d34-0410-b5e6-96231b3b80d8
38 lines
1.5 KiB
LLVM
38 lines
1.5 KiB
LLVM
; RUN: opt < %s -loop-vectorize -force-vector-width=4 -dce -instcombine -licm -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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@a = common global [2048 x i32] zeroinitializer, align 16
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@b = common global [2048 x i32] zeroinitializer, align 16
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@c = common global [2048 x i32] zeroinitializer, align 16
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;CHECK: @example1
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;CHECK: load <4 x i32>
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; make sure that we have a scalar condition and a vector operand.
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;CHECK: select i1 %cond, <4 x i32>
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;CHECK: store <4 x i32>
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;CHECK: ret void
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define void @example1(i1 %cond) nounwind uwtable ssp {
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br label %1
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; <label>:1 ; preds = %1, %0
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%indvars.iv = phi i64 [ 0, %0 ], [ %indvars.iv.next, %1 ]
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%2 = getelementptr inbounds [2048 x i32]* @b, i64 0, i64 %indvars.iv
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%3 = load i32* %2, align 4
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%4 = getelementptr inbounds [2048 x i32]* @c, i64 0, i64 %indvars.iv
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%5 = load i32* %4, align 4
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%6 = add nsw i32 %5, %3
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%7 = getelementptr inbounds [2048 x i32]* @a, i64 0, i64 %indvars.iv
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%sel = select i1 %cond, i32 %6, i32 zeroinitializer
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store i32 %sel, i32* %7, 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, 256
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br i1 %exitcond, label %8, label %1
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; <label>:8 ; preds = %1
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ret void
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}
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