diff options
Diffstat (limited to 'test/Transforms/LoopVectorize/AArch64/aarch64-predication.ll')
| -rw-r--r-- | test/Transforms/LoopVectorize/AArch64/aarch64-predication.ll | 82 |
1 files changed, 49 insertions, 33 deletions
diff --git a/test/Transforms/LoopVectorize/AArch64/aarch64-predication.ll b/test/Transforms/LoopVectorize/AArch64/aarch64-predication.ll index 21b59f87d0427..37a6d4e799844 100644 --- a/test/Transforms/LoopVectorize/AArch64/aarch64-predication.ll +++ b/test/Transforms/LoopVectorize/AArch64/aarch64-predication.ll @@ -1,40 +1,55 @@ -; RUN: opt < %s -loop-vectorize -simplifycfg -S | FileCheck %s -; RUN: opt < %s -force-vector-width=2 -loop-vectorize -simplifycfg -S | FileCheck %s +; REQUIRES: asserts +; RUN: opt < %s -loop-vectorize -disable-output -debug-only=loop-vectorize 2>&1 | FileCheck %s --check-prefix=COST +; RUN: opt < %s -loop-vectorize -force-vector-width=2 -instcombine -simplifycfg -S | FileCheck %s target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" target triple = "aarch64--linux-gnu" -; CHECK-LABEL: predicated_udiv_scalarized_operand -; ; This test checks that we correctly compute the scalarized operands for a ; user-specified vectorization factor when interleaving is disabled. We use the -; "optsize" attribute to disable all interleaving calculations. +; "optsize" attribute to disable all interleaving calculations. A cost of 4 +; for %tmp4 indicates that we would scalarize it's operand (%tmp3), giving +; %tmp4 a lower scalarization overhead. ; -; CHECK: vector.body: -; CHECK: %wide.load = load <2 x i64>, <2 x i64>* {{.*}}, align 4 -; CHECK: br i1 {{.*}}, label %[[IF0:.+]], label %[[CONT0:.+]] -; CHECK: [[IF0]]: -; CHECK: %[[T00:.+]] = extractelement <2 x i64> %wide.load, i32 0 -; CHECK: %[[T01:.+]] = extractelement <2 x i64> %wide.load, i32 0 -; CHECK: %[[T02:.+]] = add nsw i64 %[[T01]], %x -; CHECK: %[[T03:.+]] = udiv i64 %[[T00]], %[[T02]] -; CHECK: %[[T04:.+]] = insertelement <2 x i64> undef, i64 %[[T03]], i32 0 -; CHECK: br label %[[CONT0]] -; CHECK: [[CONT0]]: -; CHECK: %[[T05:.+]] = phi <2 x i64> [ undef, %vector.body ], [ %[[T04]], %[[IF0]] ] -; CHECK: br i1 {{.*}}, label %[[IF1:.+]], label %[[CONT1:.+]] -; CHECK: [[IF1]]: -; CHECK: %[[T06:.+]] = extractelement <2 x i64> %wide.load, i32 1 -; CHECK: %[[T07:.+]] = extractelement <2 x i64> %wide.load, i32 1 -; CHECK: %[[T08:.+]] = add nsw i64 %[[T07]], %x -; CHECK: %[[T09:.+]] = udiv i64 %[[T06]], %[[T08]] -; CHECK: %[[T10:.+]] = insertelement <2 x i64> %[[T05]], i64 %[[T09]], i32 1 -; CHECK: br label %[[CONT1]] -; CHECK: [[CONT1]]: -; CHECK: phi <2 x i64> [ %[[T05]], %[[CONT0]] ], [ %[[T10]], %[[IF1]] ] -; CHECK: br i1 {{.*}}, label %middle.block, label %vector.body - -define i64 @predicated_udiv_scalarized_operand(i64* %a, i1 %c, i64 %x) optsize { +; COST-LABEL: predicated_udiv_scalarized_operand +; COST: LV: Found an estimated cost of 4 for VF 2 For instruction: %tmp4 = udiv i64 %tmp2, %tmp3 +; +; CHECK-LABEL: @predicated_udiv_scalarized_operand( +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %entry ], [ [[INDEX_NEXT:%.*]], %[[PRED_UDIV_CONTINUE2:.*]] ] +; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <2 x i64> [ zeroinitializer, %entry ], [ [[TMP17:%.*]], %[[PRED_UDIV_CONTINUE2]] ] +; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i64, i64* %a, i64 [[INDEX]] +; CHECK-NEXT: [[TMP1:%.*]] = bitcast i64* [[TMP0]] to <2 x i64>* +; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, <2 x i64>* [[TMP1]], align 4 +; CHECK-NEXT: [[TMP2:%.*]] = icmp sgt <2 x i64> [[WIDE_LOAD]], zeroinitializer +; CHECK-NEXT: [[TMP3:%.*]] = extractelement <2 x i1> [[TMP2]], i32 0 +; CHECK-NEXT: br i1 [[TMP3]], label %[[PRED_UDIV_IF:.*]], label %[[PRED_UDIV_CONTINUE:.*]] +; CHECK: [[PRED_UDIV_IF]]: +; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i64> [[WIDE_LOAD]], i32 0 +; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x i64> [[WIDE_LOAD]], i32 0 +; CHECK-NEXT: [[TMP6:%.*]] = add nsw i64 [[TMP5]], %x +; CHECK-NEXT: [[TMP7:%.*]] = udiv i64 [[TMP4]], [[TMP6]] +; CHECK-NEXT: [[TMP8:%.*]] = insertelement <2 x i64> undef, i64 [[TMP7]], i32 0 +; CHECK-NEXT: br label %[[PRED_UDIV_CONTINUE]] +; CHECK: [[PRED_UDIV_CONTINUE]]: +; CHECK-NEXT: [[TMP9:%.*]] = phi <2 x i64> [ undef, %vector.body ], [ [[TMP8]], %[[PRED_UDIV_IF]] ] +; CHECK-NEXT: [[TMP10:%.*]] = extractelement <2 x i1> [[TMP2]], i32 1 +; CHECK-NEXT: br i1 [[TMP10]], label %[[PRED_UDIV_IF1:.*]], label %[[PRED_UDIV_CONTINUE2]] +; CHECK: [[PRED_UDIV_IF1]]: +; CHECK-NEXT: [[TMP11:%.*]] = extractelement <2 x i64> [[WIDE_LOAD]], i32 1 +; CHECK-NEXT: [[TMP12:%.*]] = extractelement <2 x i64> [[WIDE_LOAD]], i32 1 +; CHECK-NEXT: [[TMP13:%.*]] = add nsw i64 [[TMP12]], %x +; CHECK-NEXT: [[TMP14:%.*]] = udiv i64 [[TMP11]], [[TMP13]] +; CHECK-NEXT: [[TMP15:%.*]] = insertelement <2 x i64> [[TMP9]], i64 [[TMP14]], i32 1 +; CHECK-NEXT: br label %[[PRED_UDIV_CONTINUE2]] +; CHECK: [[PRED_UDIV_CONTINUE2]]: +; CHECK-NEXT: [[TMP16:%.*]] = phi <2 x i64> [ [[TMP9]], %[[PRED_UDIV_CONTINUE]] ], [ [[TMP15]], %[[PRED_UDIV_IF1]] ] +; CHECK-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP2]], <2 x i64> [[TMP16]], <2 x i64> [[WIDE_LOAD]] +; CHECK-NEXT: [[TMP17]] = add <2 x i64> [[VEC_PHI]], [[PREDPHI]] +; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 2 +; CHECK: br i1 {{.*}}, label %middle.block, label %vector.body +; +define i64 @predicated_udiv_scalarized_operand(i64* %a, i64 %x) optsize { entry: br label %for.body @@ -43,7 +58,8 @@ for.body: %r = phi i64 [ 0, %entry ], [ %tmp6, %for.inc ] %tmp0 = getelementptr inbounds i64, i64* %a, i64 %i %tmp2 = load i64, i64* %tmp0, align 4 - br i1 %c, label %if.then, label %for.inc + %cond0 = icmp sgt i64 %tmp2, 0 + br i1 %cond0, label %if.then, label %for.inc if.then: %tmp3 = add nsw i64 %tmp2, %x @@ -54,8 +70,8 @@ for.inc: %tmp5 = phi i64 [ %tmp2, %for.body ], [ %tmp4, %if.then] %tmp6 = add i64 %r, %tmp5 %i.next = add nuw nsw i64 %i, 1 - %cond = icmp slt i64 %i.next, 100 - br i1 %cond, label %for.body, label %for.end + %cond1 = icmp slt i64 %i.next, 100 + br i1 %cond1, label %for.body, label %for.end for.end: %tmp7 = phi i64 [ %tmp6, %for.inc ] |