a5da8d90da
We somehow missed doing this when we were working on Power9 exploitation. This just adds the missing legalization and cost for producing the vector intrinsics. Differential revision: https://reviews.llvm.org/D70436
98 lines
5.2 KiB
LLVM
98 lines
5.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -loop-vectorize -mtriple=powerpc64le-unknown-unknown \
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; RUN: -force-target-max-vector-interleave=1 -mcpu=pwr9 < %s | FileCheck %s
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define dso_local void @test(i32* %Arr, i32 signext %Len) {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 0, [[LEN:%.*]]
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; CHECK-NEXT: br i1 [[CMP1]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_COND_CLEANUP:%.*]]
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; CHECK: for.body.lr.ph:
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; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[LEN]], 4
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; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
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; CHECK: vector.ph:
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; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[LEN]], 4
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; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[LEN]], [[N_MOD_VF]]
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; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
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; CHECK: vector.body:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> undef, i32 [[INDEX]], i32 0
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; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> undef, <4 x i32> zeroinitializer
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; CHECK-NEXT: [[INDUCTION:%.*]] = add <4 x i32> [[BROADCAST_SPLAT]], <i32 0, i32 1, i32 2, i32 3>
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; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0
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; CHECK-NEXT: [[TMP1:%.*]] = sext i32 [[TMP0]] to i64
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; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[ARR:%.*]], i64 [[TMP1]]
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; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[TMP2]], i32 0
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; CHECK-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <4 x i32>*
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; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP4]], align 4
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; CHECK-NEXT: [[TMP5:%.*]] = call <4 x i32> @llvm.bswap.v4i32(<4 x i32> [[WIDE_LOAD]])
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; CHECK-NEXT: [[TMP6:%.*]] = sext i32 [[TMP0]] to i64
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; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, i32* [[ARR]], i64 [[TMP6]]
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; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, i32* [[TMP7]], i32 0
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; CHECK-NEXT: [[TMP9:%.*]] = bitcast i32* [[TMP8]] to <4 x i32>*
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; CHECK-NEXT: store <4 x i32> [[TMP5]], <4 x i32>* [[TMP9]], align 4
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; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4
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; CHECK-NEXT: [[TMP10:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !0
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; CHECK: middle.block:
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; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[LEN]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_FOR_COND_CLEANUP_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
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; CHECK: scalar.ph:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.cond.for.cond.cleanup_crit_edge:
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; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
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; CHECK: for.cond.cleanup:
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; CHECK-NEXT: br label [[FOR_END:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[I_02:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INC:%.*]], [[FOR_INC:%.*]] ]
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; CHECK-NEXT: [[IDXPROM:%.*]] = sext i32 [[I_02]] to i64
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; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[ARR]], i64 [[IDXPROM]]
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; CHECK-NEXT: [[TMP11:%.*]] = load i32, i32* [[ARRAYIDX]], align 4
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; CHECK-NEXT: [[TMP12:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP11]])
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; CHECK-NEXT: [[IDXPROM1:%.*]] = sext i32 [[I_02]] to i64
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; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, i32* [[ARR]], i64 [[IDXPROM1]]
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; CHECK-NEXT: store i32 [[TMP12]], i32* [[ARRAYIDX2]], align 4
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; CHECK-NEXT: br label [[FOR_INC]]
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; CHECK: for.inc:
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; CHECK-NEXT: [[INC]] = add nsw i32 [[I_02]], 1
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; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[INC]], [[LEN]]
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; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_COND_FOR_COND_CLEANUP_CRIT_EDGE]], !llvm.loop !2
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; CHECK: for.end:
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; CHECK-NEXT: ret void
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;
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entry:
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%cmp1 = icmp slt i32 0, %Len
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br i1 %cmp1, label %for.body.lr.ph, label %for.cond.cleanup
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for.body.lr.ph: ; preds = %entry
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br label %for.body
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for.cond.for.cond.cleanup_crit_edge: ; preds = %for.inc
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br label %for.cond.cleanup
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for.cond.cleanup: ; preds = %for.cond.for.cond.cleanup_crit_edge, %entry
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br label %for.end
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for.body: ; preds = %for.body.lr.ph, %for.inc
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%i.02 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.inc ]
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%idxprom = sext i32 %i.02 to i64
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%arrayidx = getelementptr inbounds i32, i32* %Arr, i64 %idxprom
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%0 = load i32, i32* %arrayidx, align 4
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%1 = call i32 @llvm.bswap.i32(i32 %0)
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%idxprom1 = sext i32 %i.02 to i64
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%arrayidx2 = getelementptr inbounds i32, i32* %Arr, i64 %idxprom1
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store i32 %1, i32* %arrayidx2, align 4
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br label %for.inc
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for.inc: ; preds = %for.body
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%inc = add nsw i32 %i.02, 1
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%cmp = icmp slt i32 %inc, %Len
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br i1 %cmp, label %for.body, label %for.cond.for.cond.cleanup_crit_edge
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for.end: ; preds = %for.cond.cleanup
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ret void
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}
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; Function Attrs: nounwind readnone speculatable willreturn
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declare i32 @llvm.bswap.i32(i32)
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