diff options
Diffstat (limited to 'llvm/test/Transforms/LoopVectorize/X86/x86-pr39099.ll')
-rw-r--r-- | llvm/test/Transforms/LoopVectorize/X86/x86-pr39099.ll | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/X86/x86-pr39099.ll b/llvm/test/Transforms/LoopVectorize/X86/x86-pr39099.ll deleted file mode 100644 index 7d5526fe391..00000000000 --- a/llvm/test/Transforms/LoopVectorize/X86/x86-pr39099.ll +++ /dev/null @@ -1,60 +0,0 @@ -; RUN: opt -mcpu=skx -S -loop-vectorize -force-vector-width=8 -force-vector-interleave=1 -enable-interleaved-mem-accesses < %s | FileCheck %s - -target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128" - -; This test checks the fix for PR39099. -; -; Check that the predicated load is not vectorized as an -; interleaved-group (which requires proper masking, currently unsupported) -; but rather as a scalarized accesses. -; (For SKX, Gather is not supported by the compiler for chars, therefore -; the only remaining alternative is to scalarize). -; -; void masked_strided(const unsigned char* restrict p, -; unsigned char* restrict q, -; unsigned char guard) { -; for(ix=0; ix < 1024; ++ix) { -; if (ix > guard) { -; char t = p[2*ix]; -; q[ix] = t; -; } -; } -; } - -;CHECK-LABEL: @masked_strided( -;CHECK: vector.body: -;CHECK-NEXT: %index = phi i32 -;CHECK-NEXT: %[[VECIND:.+]] = phi <8 x i32> [ <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7> -;CHECK-NEXT: %[[VMASK:.+]] = icmp ugt <8 x i32> %[[VECIND]], %{{broadcast.splat*}} -;CHECK-NEXT: %{{.*}} = shl nuw nsw <8 x i32> %[[VECIND]], <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1> -;CHECK-NEXT: %[[M:.+]] = extractelement <8 x i1> %[[VMASK]], i32 0 -;CHECK-NEXT: br i1 %[[M]], label %pred.load.if, label %pred.load.continue -;CHECK-NOT: %[[WIDEVEC:.+]] = load <16 x i8>, <16 x i8>* %{{.*}}, align 1 -;CHECK-NOT: %{{.*}} = shufflevector <16 x i8> %[[WIDEVEC]], <16 x i8> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14> - -define dso_local void @masked_strided(i8* noalias nocapture readonly %p, i8* noalias nocapture %q, i8 zeroext %guard) local_unnamed_addr { -entry: - %conv = zext i8 %guard to i32 - br label %for.body - -for.body: - %ix.09 = phi i32 [ 0, %entry ], [ %inc, %for.inc ] - %cmp1 = icmp ugt i32 %ix.09, %conv - br i1 %cmp1, label %if.then, label %for.inc - -if.then: - %mul = shl nuw nsw i32 %ix.09, 1 - %arrayidx = getelementptr inbounds i8, i8* %p, i32 %mul - %0 = load i8, i8* %arrayidx, align 1 - %arrayidx3 = getelementptr inbounds i8, i8* %q, i32 %ix.09 - store i8 %0, i8* %arrayidx3, align 1 - br label %for.inc - -for.inc: - %inc = add nuw nsw i32 %ix.09, 1 - %exitcond = icmp eq i32 %inc, 1024 - br i1 %exitcond, label %for.end, label %for.body - -for.end: - ret void -} |