diff options
Diffstat (limited to 'llvm/test/Transforms/LoopVectorize/no_outside_user.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopVectorize/no_outside_user.ll | 414 |
1 files changed, 0 insertions, 414 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/no_outside_user.ll b/llvm/test/Transforms/LoopVectorize/no_outside_user.ll deleted file mode 100644 index f2dd557e80a..00000000000 --- a/llvm/test/Transforms/LoopVectorize/no_outside_user.ll +++ /dev/null @@ -1,414 +0,0 @@ -; RUN: opt -S -loop-vectorize -force-vector-interleave=1 -force-vector-width=2 < %s 2>&1 | FileCheck %s - -target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S128" - -@f = common global i32 0, align 4 -@.str = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1 -@c = common global i32 0, align 4 -@a = common global i32 0, align 4 -@b = common global i32 0, align 4 -@e = common global i32 0, align 4 - -; It has a value that is used outside of the loop -; and is not a recognized reduction variable "tmp17". -; However, tmp17 is a non-header phi which is an allowed exit. - -; CHECK-LABEL: @test1( -; CHECK: %vec.ind = phi <2 x i32> -; CHECK: [[CMP:%[a-zA-Z0-9.]+]] = icmp sgt <2 x i32> %vec.ind, <i32 10, i32 10> -; CHECK: %predphi = select <2 x i1> [[CMP]], <2 x i32> <i32 1, i32 1>, <2 x i32> zeroinitializer - -; CHECK-LABEL: middle.block: -; CHECK: [[E1:%[a-zA-Z0-9.]+]] = extractelement <2 x i32> %predphi, i32 1 - -; CHECK-LABEL: f1.exit.loopexit: -; CHECK: %.lcssa = phi i32 [ %tmp17, %bb16 ], [ [[E1]], %middle.block ] - -define i32 @test1() { -bb: - %b.promoted = load i32, i32* @b, align 4 - br label %.lr.ph.i - -.lr.ph.i: - %tmp8 = phi i32 [ %tmp18, %bb16 ], [ %b.promoted, %bb ] - %tmp2 = icmp sgt i32 %tmp8, 10 - br i1 %tmp2, label %bb16, label %bb10 - -bb10: - br label %bb16 - -bb16: - %tmp17 = phi i32 [ 0, %bb10 ], [ 1, %.lr.ph.i ] - %tmp18 = add nsw i32 %tmp8, 1 - %tmp19 = icmp slt i32 %tmp18, 4 - br i1 %tmp19, label %.lr.ph.i, label %f1.exit.loopexit - -f1.exit.loopexit: - %.lcssa = phi i32 [ %tmp17, %bb16 ] - ret i32 %.lcssa -} - -; non-hdr phi depends on header phi. -; CHECK-LABEL: @test2( -; CHECK: %vec.ind = phi <2 x i32> -; CHECK: [[CMP:%[a-zA-Z0-9.]+]] = icmp sgt <2 x i32> %vec.ind, <i32 10, i32 10> -; CHECK: %predphi = select <2 x i1> [[CMP]], <2 x i32> <i32 1, i32 1>, <2 x i32> %vec.ind - -; CHECK-LABEL: middle.block: -; CHECK: [[E1:%[a-zA-Z0-9.]+]] = extractelement <2 x i32> %predphi, i32 1 - -; CHECK-LABEL: f1.exit.loopexit: -; CHECK: %.lcssa = phi i32 [ %tmp17, %bb16 ], [ [[E1]], %middle.block ] -define i32 @test2() { -bb: - %b.promoted = load i32, i32* @b, align 4 - br label %.lr.ph.i - -.lr.ph.i: - %tmp8 = phi i32 [ %tmp18, %bb16 ], [ %b.promoted, %bb ] - %tmp2 = icmp sgt i32 %tmp8, 10 - br i1 %tmp2, label %bb16, label %bb10 - -bb10: - br label %bb16 - -bb16: - %tmp17 = phi i32 [ %tmp8, %bb10 ], [ 1, %.lr.ph.i ] - %tmp18 = add nsw i32 %tmp8, 1 - %tmp19 = icmp slt i32 %tmp18, 4 - br i1 %tmp19, label %.lr.ph.i, label %f1.exit.loopexit - -f1.exit.loopexit: - %.lcssa = phi i32 [ %tmp17, %bb16 ] - ret i32 %.lcssa -} - -; more than 2 incoming values for tmp17 phi that is used outside loop. -; CHECK-LABEL: test3( -; CHECK-LABEL: vector.body: -; CHECK: %predphi = select <2 x i1> %{{.*}}, <2 x i32> <i32 1, i32 1>, <2 x i32> zeroinitializer -; CHECK: %predphi1 = select <2 x i1> %{{.*}}, <2 x i32> <i32 2, i32 2>, <2 x i32> %predphi - -; CHECK-LABEL: middle.block: -; CHECK: [[E1:%[a-zA-Z0-9.]+]] = extractelement <2 x i32> %predphi1, i32 1 - -; CHECK-LABEL: f1.exit.loopexit: -; CHECK: phi i32 [ %tmp17, %bb16 ], [ [[E1]], %middle.block ] -define i32 @test3(i32 %N) { -bb: - %b.promoted = load i32, i32* @b, align 4 - br label %.lr.ph.i - -.lr.ph.i: - %tmp8 = phi i32 [ %tmp18, %bb16 ], [ %b.promoted, %bb ] - %tmp2 = icmp sgt i32 %tmp8, 10 - br i1 %tmp2, label %bb16, label %bb10 - -bb10: - %cmp = icmp sgt i32 %tmp8, %N - br i1 %cmp, label %bb12, label %bb16 - -bb12: - br label %bb16 - -bb16: - %tmp17 = phi i32 [ 0, %bb10 ], [ 1, %.lr.ph.i ], [ 2, %bb12 ] - %tmp18 = add nsw i32 %tmp8, 1 - %tmp19 = icmp slt i32 %tmp18, 4 - br i1 %tmp19, label %.lr.ph.i, label %f1.exit.loopexit - -f1.exit.loopexit: - %.lcssa = phi i32 [ %tmp17, %bb16 ] - ret i32 %.lcssa -} - -; more than one incoming value for outside user: %.lcssa -; CHECK-LABEL: test4( -; CHECK-LABEL: vector.body: -; CHECK: %predphi = select <2 x i1> - -; CHECK-LABEL: middle.block: -; CHECK: [[E1:%[a-zA-Z0-9.]+]] = extractelement <2 x i32> %predphi, i32 1 - -; CHECK-LABEL: f1.exit.loopexit.loopexit: -; CHECK: %tmp17.lcssa = phi i32 [ %tmp17, %bb16 ], [ [[E1]], %middle.block ] -; CHECK-NEXT: br label %f1.exit.loopexit - -; CHECK-LABEL: f1.exit.loopexit: -; CHECK: %.lcssa = phi i32 [ 2, %bb ], [ %tmp17.lcssa, %f1.exit.loopexit.loopexit ] -define i32 @test4(i32 %N) { -bb: - %b.promoted = load i32, i32* @b, align 4 - %icmp = icmp slt i32 %b.promoted, %N - br i1 %icmp, label %f1.exit.loopexit, label %.lr.ph.i - -.lr.ph.i: - %tmp8 = phi i32 [ %tmp18, %bb16 ], [ %b.promoted, %bb ] - %tmp2 = icmp sgt i32 %tmp8, 10 - br i1 %tmp2, label %bb16, label %bb10 - -bb10: - br label %bb16 - -bb16: - %tmp17 = phi i32 [ 0, %bb10 ], [ 1, %.lr.ph.i ] - %tmp18 = add nsw i32 %tmp8, 1 - %tmp19 = icmp slt i32 %tmp18, 4 - br i1 %tmp19, label %.lr.ph.i, label %f1.exit.loopexit - -f1.exit.loopexit: - %.lcssa = phi i32 [ %tmp17, %bb16 ], [ 2, %bb ] - ret i32 %.lcssa -} - -; non hdr phi that depends on reduction and is used outside the loop. -; reduction phis are only allowed to have bump or reduction operations as the inside user, so we should -; not vectorize this. -; CHECK-LABEL: reduction_sum( -; CHECK-NOT: <2 x i32> -define i32 @reduction_sum(i32 %n, i32* noalias nocapture %A, i32* noalias nocapture %B) nounwind uwtable readonly noinline ssp { -entry: - %c1 = icmp sgt i32 %n, 0 - br i1 %c1, label %header, label %._crit_edge - -header: ; preds = %0, %.lr.ph - %indvars.iv = phi i64 [ %indvars.iv.next, %bb16 ], [ 0, %entry ] - %sum.02 = phi i32 [ %c9, %bb16 ], [ 0, %entry ] - %c2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv - %c3 = load i32, i32* %c2, align 4 - %c4 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv - %c5 = load i32, i32* %c4, align 4 - %tmp2 = icmp sgt i32 %sum.02, 10 - br i1 %tmp2, label %bb16, label %bb10 - -bb10: - br label %bb16 - -bb16: - %tmp17 = phi i32 [ %sum.02, %bb10 ], [ 1, %header ] - %c6 = trunc i64 %indvars.iv to i32 - %c7 = add i32 %sum.02, %c6 - %c8 = add i32 %c7, %c3 - %c9 = add i32 %c8, %c5 - %indvars.iv.next = add i64 %indvars.iv, 1 - %lftr.wideiv = trunc i64 %indvars.iv.next to i32 - %exitcond = icmp eq i32 %lftr.wideiv, %n - br i1 %exitcond, label %._crit_edge, label %header - -._crit_edge: ; preds = %.lr.ph, %0 - %sum.0.lcssa = phi i32 [ 0, %entry ], [ %c9, %bb16 ] - %nonhdr.lcssa = phi i32 [ 1, %entry], [ %tmp17, %bb16 ] - ret i32 %sum.0.lcssa -} - -; invalid cyclic dependency with header phi iv, which prevents iv from being -; recognized as induction var. -; cannot vectorize. -; CHECK-LABEL: cyclic_dep_with_indvar( -; CHECK-NOT: <2 x i32> -define i32 @cyclic_dep_with_indvar() { -bb: - %b.promoted = load i32, i32* @b, align 4 - br label %.lr.ph.i - -.lr.ph.i: - %iv = phi i32 [ %ivnext, %bb16 ], [ %b.promoted, %bb ] - %tmp2 = icmp sgt i32 %iv, 10 - br i1 %tmp2, label %bb16, label %bb10 - -bb10: - br label %bb16 - -bb16: - %tmp17 = phi i32 [ 0, %bb10 ], [ %iv, %.lr.ph.i ] - %ivnext = add nsw i32 %tmp17, 1 - %tmp19 = icmp slt i32 %ivnext, 4 - br i1 %tmp19, label %.lr.ph.i, label %f1.exit.loopexit - -f1.exit.loopexit: - %.lcssa = phi i32 [ %tmp17, %bb16 ] - ret i32 %.lcssa -} - -; non-reduction phi 'tmp17' used outside loop has cyclic dependence with %x.05 phi -; cannot vectorize. -; CHECK-LABEL: not_valid_reduction( -; CHECK-NOT: <2 x i32> -define i32 @not_valid_reduction(i32 %n, i32* noalias nocapture %A) nounwind uwtable readonly { -entry: - %cmp4 = icmp sgt i32 %n, 0 - br i1 %cmp4, label %for.body, label %for.end - -for.body: ; preds = %entry, %for.body - %indvars.iv = phi i64 [ %indvars.iv.next, %latch ], [ 0, %entry ] - %x.05 = phi i32 [ %tmp17, %latch ], [ 0, %entry ] - %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv - %tmp0 = load i32, i32* %arrayidx, align 4 - %tmp2 = icmp sgt i64 %indvars.iv, 10 - %sub = sub nsw i32 %x.05, %tmp0 - br i1 %tmp2, label %bb16, label %bb10 - -bb10: - br label %bb16 - -bb16: - %tmp17 = phi i32 [ 1, %bb10 ], [ %sub, %for.body ] - br label %latch - -latch: - %indvars.iv.next = add i64 %indvars.iv, 1 - %lftr.wideiv = trunc i64 %indvars.iv.next to i32 - %exitcond = icmp eq i32 %lftr.wideiv, %n - br i1 %exitcond, label %for.end, label %for.body - -for.end: ; preds = %for.body, %entry - %x.0.lcssa = phi i32 [ 0, %entry ], [ %tmp17 , %latch ] - ret i32 %x.0.lcssa -} - - -; CHECK-LABEL: @outside_user_non_phi( -; CHECK: %vec.ind = phi <2 x i32> -; CHECK: [[CMP:%[a-zA-Z0-9.]+]] = icmp sgt <2 x i32> %vec.ind, <i32 10, i32 10> -; CHECK: %predphi = select <2 x i1> [[CMP]], <2 x i32> <i32 1, i32 1>, <2 x i32> zeroinitializer -; CHECK: [[TRUNC:%[a-zA-Z0-9.]+]] = trunc <2 x i32> %predphi to <2 x i8> - -; CHECK-LABEL: middle.block: -; CHECK: [[E1:%[a-zA-Z0-9.]+]] = extractelement <2 x i8> [[TRUNC]], i32 1 - -; CHECK-LABEL: f1.exit.loopexit: -; CHECK: %.lcssa = phi i8 [ %tmp17.trunc, %bb16 ], [ [[E1]], %middle.block ] -define i8 @outside_user_non_phi() { -bb: - %b.promoted = load i32, i32* @b, align 4 - br label %.lr.ph.i - -.lr.ph.i: - %tmp8 = phi i32 [ %tmp18, %bb16 ], [ %b.promoted, %bb ] - %tmp2 = icmp sgt i32 %tmp8, 10 - br i1 %tmp2, label %bb16, label %bb10 - -bb10: - br label %bb16 - -bb16: - %tmp17 = phi i32 [ 0, %bb10 ], [ 1, %.lr.ph.i ] - %tmp17.trunc = trunc i32 %tmp17 to i8 - %tmp18 = add nsw i32 %tmp8, 1 - %tmp19 = icmp slt i32 %tmp18, 4 - br i1 %tmp19, label %.lr.ph.i, label %f1.exit.loopexit - -f1.exit.loopexit: - %.lcssa = phi i8 [ %tmp17.trunc, %bb16 ] - ret i8 %.lcssa -} - -; CHECK-LABEL: no_vectorize_reduction_with_outside_use( -; CHECK-NOT: <2 x i32> -define i32 @no_vectorize_reduction_with_outside_use(i32 %n, i32* nocapture %A, i32* nocapture %B) nounwind uwtable readonly { -entry: - %cmp7 = icmp sgt i32 %n, 0 - br i1 %cmp7, label %for.body, label %for.end - -for.body: ; preds = %entry, %for.body - %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ] - %result.08 = phi i32 [ %or, %for.body ], [ 0, %entry ] - %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv - %0 = load i32, i32* %arrayidx, align 4 - %arrayidx2 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv - %1 = load i32, i32* %arrayidx2, align 4 - %add = add nsw i32 %1, %0 - %or = or i32 %add, %result.08 - %indvars.iv.next = add i64 %indvars.iv, 1 - %lftr.wideiv = trunc i64 %indvars.iv.next to i32 - %exitcond = icmp eq i32 %lftr.wideiv, %n - br i1 %exitcond, label %for.end, label %for.body - -for.end: ; preds = %for.body, %entry - %result.0.lcssa = phi i32 [ 0, %entry ], [ %1, %for.body ] - ret i32 %result.0.lcssa -} - - -; vectorize c[i] = a[i] + b[i] loop where result of c[i] is used outside the -; loop -; CHECK-LABEL: sum_arrays_outside_use( -; CHECK-LABEL: vector.memcheck: -; CHECK: br i1 %memcheck.conflict, label %scalar.ph, label %vector.ph - -; CHECK-LABEL: vector.body: -; CHECK: %wide.load = load <2 x i32>, <2 x i32>* -; CHECK: %wide.load16 = load <2 x i32>, <2 x i32>* -; CHECK: [[ADD:%[a-zA-Z0-9.]+]] = add nsw <2 x i32> %wide.load, %wide.load16 -; CHECK: store <2 x i32> - -; CHECK-LABEL: middle.block: -; CHECK: [[E1:%[a-zA-Z0-9.]+]] = extractelement <2 x i32> [[ADD]], i32 1 - -; CHECK-LABEL: f1.exit.loopexit: -; CHECK: %.lcssa = phi i32 [ %sum, %.lr.ph.i ], [ [[E1]], %middle.block ] -define i32 @sum_arrays_outside_use(i32* %B, i32* %A, i32* %C, i32 %N) { -bb: - %b.promoted = load i32, i32* @b, align 4 - br label %.lr.ph.i - -.lr.ph.i: - %iv = phi i32 [ %ivnext, %.lr.ph.i ], [ %b.promoted, %bb ] - %indvars.iv = sext i32 %iv to i64 - %arrayidx2 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv - %Bload = load i32, i32* %arrayidx2, align 4 - %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv - %Aload = load i32, i32* %arrayidx, align 4 - %sum = add nsw i32 %Bload, %Aload - %arrayidx3 = getelementptr inbounds i32, i32* %C, i64 %indvars.iv - store i32 %sum, i32* %arrayidx3, align 4 - %ivnext = add nsw i32 %iv, 1 - %tmp19 = icmp slt i32 %ivnext, %N - br i1 %tmp19, label %.lr.ph.i, label %f1.exit.loopexit - -f1.exit.loopexit: - %.lcssa = phi i32 [ %sum, %.lr.ph.i ] - ret i32 %.lcssa -} - -@tab = common global [32 x i8] zeroinitializer, align 1 - -; CHECK-LABEL: non_uniform_live_out() -; CHECK-LABEL: vector.body: -; CHECK: %vec.ind = phi <2 x i32> [ <i32 0, i32 1>, %vector.ph ], [ %vec.ind.next, %vector.body ] -; CHECK: [[ADD:%[a-zA-Z0-9.]+]] = add <2 x i32> %vec.ind, <i32 7, i32 7> -; CHECK: [[EE:%[a-zA-Z0-9.]+]] = extractelement <2 x i32> [[ADD]], i32 0 -; CHECK: [[GEP:%[a-zA-Z0-9.]+]] = getelementptr inbounds [32 x i8], [32 x i8]* @tab, i32 0, i32 [[EE]] -; CHECK-NEXT: [[GEP2:%[a-zA-Z0-9.]+]] = getelementptr inbounds i8, i8* [[GEP]], i32 0 -; CHECK-NEXT: [[BC:%[a-zA-Z0-9.]+]] = bitcast i8* [[GEP2]] to <2 x i8>* -; CHECK-NEXT: %wide.load = load <2 x i8>, <2 x i8>* [[BC]] -; CHECK-NEXT: [[ADD2:%[a-zA-Z0-9.]+]] = add <2 x i8> %wide.load, <i8 1, i8 1> -; CHECK: store <2 x i8> [[ADD2]], <2 x i8>* - -; CHECK-LABEL: middle.block: -; CHECK: [[ADDEE:%[a-zA-Z0-9.]+]] = extractelement <2 x i32> [[ADD]], i32 1 - -; CHECK-LABEL: for.end: -; CHECK: %lcssa = phi i32 [ %i.09, %for.body ], [ [[ADDEE]], %middle.block ] -; CHECK: %arrayidx.out = getelementptr inbounds [32 x i8], [32 x i8]* @tab, i32 0, i32 %lcssa -define i32 @non_uniform_live_out() { -entry: - br label %for.body - -for.body: ; preds = %for.body, %entry - %i.08 = phi i32 [ 0, %entry ], [ %inc, %for.body ] - %i.09 = add i32 %i.08, 7 - %arrayidx = getelementptr inbounds [32 x i8], [32 x i8]* @tab, i32 0, i32 %i.09 - %0 = load i8, i8* %arrayidx, align 1 - %bump = add i8 %0, 1 - store i8 %bump, i8* %arrayidx, align 1 - %inc = add nsw i32 %i.08, 1 - %exitcond = icmp eq i32 %i.08, 20000 - br i1 %exitcond, label %for.end, label %for.body - -for.end: ; preds = %for.body - %lcssa = phi i32 [%i.09, %for.body] - %arrayidx.out = getelementptr inbounds [32 x i8], [32 x i8]* @tab, i32 0, i32 %lcssa - store i8 42, i8* %arrayidx.out, align 1 - ret i32 0 -} |
