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4ffbb65494
Pretty obvious follow-on to r205159 to also handle conversion from double besides float. Fixes <rdar://problem/16373208> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205253 91177308-0d34-0410-b5e6-96231b3b80d8
41 lines
1.6 KiB
LLVM
41 lines
1.6 KiB
LLVM
; RUN: opt < %s -mcpu=core-avx2 -loop-vectorize -S | llc -mcpu=core-avx2 | FileCheck %s
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx"
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@n = global i32 10000, align 4
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@double_array = common global [10000 x double] zeroinitializer, align 16
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@unsigned_array = common global [10000 x i32] zeroinitializer, align 16
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; If we need to scalarize the fptoui and then use inserts to build up the
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; vector again, then there is certainly no value in going 256-bit wide.
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; CHECK-NOT: vpinsrd
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define void @convert() {
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entry:
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%0 = load i32* @n, align 4
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%cmp4 = icmp eq i32 %0, 0
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br i1 %cmp4, label %for.end, label %for.body.preheader
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.preheader, %for.body
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
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%arrayidx = getelementptr inbounds [10000 x double]* @double_array, i64 0, i64 %indvars.iv
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%1 = load double* %arrayidx, align 8
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%conv = fptoui double %1 to i32
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%arrayidx2 = getelementptr inbounds [10000 x i32]* @unsigned_array, i64 0, i64 %indvars.iv
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store i32 %conv, i32* %arrayidx2, align 4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%2 = trunc i64 %indvars.iv.next to i32
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%cmp = icmp ult i32 %2, %0
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br i1 %cmp, label %for.body, label %for.end.loopexit
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for.end.loopexit: ; preds = %for.body
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br label %for.end
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for.end: ; preds = %for.end.loopexit, %entry
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ret void
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}
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