32 lines
1.0 KiB
LLVM
32 lines
1.0 KiB
LLVM
; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s
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; rdar://problem/12848162
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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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@a = common global [2048 x i32] zeroinitializer, align 16
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;CHECK-LABEL: @example12(
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; CHECK-LABEL: vector.body:
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; CHECK: [[VEC_IND:%.+]] = phi <4 x i32>
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; CHECK: store <4 x i32> [[VEC_IND]]
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; CHECK: ret void
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define void @example12() {
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entry:
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br label %loop
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loop:
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %loop ]
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%gep = getelementptr inbounds [2048 x i32], [2048 x i32]* @a, i64 0, i64 %indvars.iv
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%iv.trunc = trunc i64 %indvars.iv to i32
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store i32 %iv.trunc, i32* %gep, 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, 1024
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br i1 %exitcond, label %exit, label %loop
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exit:
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ret void
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}
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