From a9baf1ecfd343e2d8d8fa277c8b093a1869726bb Mon Sep 17 00:00:00 2001 From: Arnold Schwaighofer Date: Sat, 21 Sep 2013 01:06:00 +0000 Subject: Reapply "SLPVectorizer: Handle more horizontal reductions (disabled)"" Reapply r191108 with a fix for a memory corruption error I introduced. Of course, we can't reference the scalars that we replace by vectorizing and then call their eraseFromParent method. I only 'needed' the scalars to get the DebugLoc. Just store the DebugLoc before actually vectorizing instead. As a nice side effect, this also simplifies the interface between BoUpSLP and the HorizontalReduction class to returning a value pointer (the vectorized tree root). radar://14607682 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191123 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/SLPVectorizer/X86/horizontal.ll | 415 ++++++++++++++++++++++++ 1 file changed, 415 insertions(+) create mode 100644 test/Transforms/SLPVectorizer/X86/horizontal.ll (limited to 'test/Transforms/SLPVectorizer') diff --git a/test/Transforms/SLPVectorizer/X86/horizontal.ll b/test/Transforms/SLPVectorizer/X86/horizontal.ll new file mode 100644 index 0000000000..9517066ed2 --- /dev/null +++ b/test/Transforms/SLPVectorizer/X86/horizontal.ll @@ -0,0 +1,415 @@ +; RUN: opt -slp-vectorizer -slp-vectorize-hor -S < %s -mtriple=x86_64-apple-macosx -mcpu=corei7-avx | FileCheck %s + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" + +; #include +; +; int foo(float *A, int n) { +; float sum = 0; +; for (intptr_t i=0; i < n; ++i) { +; sum += 7*A[i*4 ] + +; 7*A[i*4+1] + +; 7*A[i*4+2] + +; 7*A[i*4+3]; +; } +; return sum; +; } + +; CHECK-LABEL: add_red +; CHECK: fmul <4 x float> +; CHECK: shufflevector <4 x float> + +define i32 @add_red(float* %A, i32 %n) { +entry: + %cmp31 = icmp sgt i32 %n, 0 + br i1 %cmp31, label %for.body.lr.ph, label %for.end + +for.body.lr.ph: + %0 = sext i32 %n to i64 + br label %for.body + +for.body: + %i.033 = phi i64 [ 0, %for.body.lr.ph ], [ %inc, %for.body ] + %sum.032 = phi float [ 0.000000e+00, %for.body.lr.ph ], [ %add17, %for.body ] + %mul = shl nsw i64 %i.033, 2 + %arrayidx = getelementptr inbounds float* %A, i64 %mul + %1 = load float* %arrayidx, align 4 + %mul2 = fmul float %1, 7.000000e+00 + %add28 = or i64 %mul, 1 + %arrayidx4 = getelementptr inbounds float* %A, i64 %add28 + %2 = load float* %arrayidx4, align 4 + %mul5 = fmul float %2, 7.000000e+00 + %add6 = fadd fast float %mul2, %mul5 + %add829 = or i64 %mul, 2 + %arrayidx9 = getelementptr inbounds float* %A, i64 %add829 + %3 = load float* %arrayidx9, align 4 + %mul10 = fmul float %3, 7.000000e+00 + %add11 = fadd fast float %add6, %mul10 + %add1330 = or i64 %mul, 3 + %arrayidx14 = getelementptr inbounds float* %A, i64 %add1330 + %4 = load float* %arrayidx14, align 4 + %mul15 = fmul float %4, 7.000000e+00 + %add16 = fadd fast float %add11, %mul15 + %add17 = fadd fast float %sum.032, %add16 + %inc = add nsw i64 %i.033, 1 + %exitcond = icmp eq i64 %inc, %0 + br i1 %exitcond, label %for.cond.for.end_crit_edge, label %for.body + +for.cond.for.end_crit_edge: + %phitmp = fptosi float %add17 to i32 + br label %for.end + +for.end: + %sum.0.lcssa = phi i32 [ %phitmp, %for.cond.for.end_crit_edge ], [ 0, %entry ] + ret i32 %sum.0.lcssa +} + +; int foo(float * restrict A, float * restrict B, int n) { +; float sum = 0; +; for (intptr_t i=0; i < n; ++i) { +; sum *= B[0]*A[i*4 ] + +; B[1]*A[i*4+1] + +; B[2]*A[i*4+2] + +; B[3]*A[i*4+3]; +; } +; return sum; +; } + +; CHECK-LABEL: mul_red +; CHECK: fmul <4 x float> +; CHECK: shufflevector <4 x float> + +define i32 @mul_red(float* noalias %A, float* noalias %B, i32 %n) { +entry: + %cmp38 = icmp sgt i32 %n, 0 + br i1 %cmp38, label %for.body.lr.ph, label %for.end + +for.body.lr.ph: + %0 = load float* %B, align 4 + %arrayidx4 = getelementptr inbounds float* %B, i64 1 + %1 = load float* %arrayidx4, align 4 + %arrayidx9 = getelementptr inbounds float* %B, i64 2 + %2 = load float* %arrayidx9, align 4 + %arrayidx15 = getelementptr inbounds float* %B, i64 3 + %3 = load float* %arrayidx15, align 4 + %4 = sext i32 %n to i64 + br label %for.body + +for.body: + %i.040 = phi i64 [ 0, %for.body.lr.ph ], [ %inc, %for.body ] + %sum.039 = phi float [ 0.000000e+00, %for.body.lr.ph ], [ %mul21, %for.body ] + %mul = shl nsw i64 %i.040, 2 + %arrayidx2 = getelementptr inbounds float* %A, i64 %mul + %5 = load float* %arrayidx2, align 4 + %mul3 = fmul float %0, %5 + %add35 = or i64 %mul, 1 + %arrayidx6 = getelementptr inbounds float* %A, i64 %add35 + %6 = load float* %arrayidx6, align 4 + %mul7 = fmul float %1, %6 + %add8 = fadd fast float %mul3, %mul7 + %add1136 = or i64 %mul, 2 + %arrayidx12 = getelementptr inbounds float* %A, i64 %add1136 + %7 = load float* %arrayidx12, align 4 + %mul13 = fmul float %2, %7 + %add14 = fadd fast float %add8, %mul13 + %add1737 = or i64 %mul, 3 + %arrayidx18 = getelementptr inbounds float* %A, i64 %add1737 + %8 = load float* %arrayidx18, align 4 + %mul19 = fmul float %3, %8 + %add20 = fadd fast float %add14, %mul19 + %mul21 = fmul float %sum.039, %add20 + %inc = add nsw i64 %i.040, 1 + %exitcond = icmp eq i64 %inc, %4 + br i1 %exitcond, label %for.cond.for.end_crit_edge, label %for.body + +for.cond.for.end_crit_edge: + %phitmp = fptosi float %mul21 to i32 + br label %for.end + +for.end: + %sum.0.lcssa = phi i32 [ %phitmp, %for.cond.for.end_crit_edge ], [ 0, %entry ] + ret i32 %sum.0.lcssa +} + +; int foo(float * restrict A, float * restrict B, int n) { +; float sum = 0; +; for (intptr_t i=0; i < n; ++i) { +; sum += B[0]*A[i*6 ] + +; B[1]*A[i*6+1] + +; B[2]*A[i*6+2] + +; B[3]*A[i*6+3] + +; B[4]*A[i*6+4] + +; B[5]*A[i*6+5] + +; B[6]*A[i*6+6] + +; B[7]*A[i*6+7] + +; B[8]*A[i*6+8]; +; } +; return sum; +; } + +; CHECK-LABEL: long_red +; CHECK: fmul <4 x float> +; CHECK: shufflevector <4 x float> + +define i32 @long_red(float* noalias %A, float* noalias %B, i32 %n) { +entry: + %cmp81 = icmp sgt i32 %n, 0 + br i1 %cmp81, label %for.body.lr.ph, label %for.end + +for.body.lr.ph: + %0 = load float* %B, align 4 + %arrayidx4 = getelementptr inbounds float* %B, i64 1 + %1 = load float* %arrayidx4, align 4 + %arrayidx9 = getelementptr inbounds float* %B, i64 2 + %2 = load float* %arrayidx9, align 4 + %arrayidx15 = getelementptr inbounds float* %B, i64 3 + %3 = load float* %arrayidx15, align 4 + %arrayidx21 = getelementptr inbounds float* %B, i64 4 + %4 = load float* %arrayidx21, align 4 + %arrayidx27 = getelementptr inbounds float* %B, i64 5 + %5 = load float* %arrayidx27, align 4 + %arrayidx33 = getelementptr inbounds float* %B, i64 6 + %6 = load float* %arrayidx33, align 4 + %arrayidx39 = getelementptr inbounds float* %B, i64 7 + %7 = load float* %arrayidx39, align 4 + %arrayidx45 = getelementptr inbounds float* %B, i64 8 + %8 = load float* %arrayidx45, align 4 + %9 = sext i32 %n to i64 + br label %for.body + +for.body: + %i.083 = phi i64 [ 0, %for.body.lr.ph ], [ %inc, %for.body ] + %sum.082 = phi float [ 0.000000e+00, %for.body.lr.ph ], [ %add51, %for.body ] + %mul = mul nsw i64 %i.083, 6 + %arrayidx2 = getelementptr inbounds float* %A, i64 %mul + %10 = load float* %arrayidx2, align 4 + %mul3 = fmul fast float %0, %10 + %add80 = or i64 %mul, 1 + %arrayidx6 = getelementptr inbounds float* %A, i64 %add80 + %11 = load float* %arrayidx6, align 4 + %mul7 = fmul fast float %1, %11 + %add8 = fadd fast float %mul3, %mul7 + %add11 = add nsw i64 %mul, 2 + %arrayidx12 = getelementptr inbounds float* %A, i64 %add11 + %12 = load float* %arrayidx12, align 4 + %mul13 = fmul fast float %2, %12 + %add14 = fadd fast float %add8, %mul13 + %add17 = add nsw i64 %mul, 3 + %arrayidx18 = getelementptr inbounds float* %A, i64 %add17 + %13 = load float* %arrayidx18, align 4 + %mul19 = fmul fast float %3, %13 + %add20 = fadd fast float %add14, %mul19 + %add23 = add nsw i64 %mul, 4 + %arrayidx24 = getelementptr inbounds float* %A, i64 %add23 + %14 = load float* %arrayidx24, align 4 + %mul25 = fmul fast float %4, %14 + %add26 = fadd fast float %add20, %mul25 + %add29 = add nsw i64 %mul, 5 + %arrayidx30 = getelementptr inbounds float* %A, i64 %add29 + %15 = load float* %arrayidx30, align 4 + %mul31 = fmul fast float %5, %15 + %add32 = fadd fast float %add26, %mul31 + %add35 = add nsw i64 %mul, 6 + %arrayidx36 = getelementptr inbounds float* %A, i64 %add35 + %16 = load float* %arrayidx36, align 4 + %mul37 = fmul fast float %6, %16 + %add38 = fadd fast float %add32, %mul37 + %add41 = add nsw i64 %mul, 7 + %arrayidx42 = getelementptr inbounds float* %A, i64 %add41 + %17 = load float* %arrayidx42, align 4 + %mul43 = fmul fast float %7, %17 + %add44 = fadd fast float %add38, %mul43 + %add47 = add nsw i64 %mul, 8 + %arrayidx48 = getelementptr inbounds float* %A, i64 %add47 + %18 = load float* %arrayidx48, align 4 + %mul49 = fmul fast float %8, %18 + %add50 = fadd fast float %add44, %mul49 + %add51 = fadd fast float %sum.082, %add50 + %inc = add nsw i64 %i.083, 1 + %exitcond = icmp eq i64 %inc, %9 + br i1 %exitcond, label %for.cond.for.end_crit_edge, label %for.body + +for.cond.for.end_crit_edge: + %phitmp = fptosi float %add51 to i32 + br label %for.end + +for.end: + %sum.0.lcssa = phi i32 [ %phitmp, %for.cond.for.end_crit_edge ], [ 0, %entry ] + ret i32 %sum.0.lcssa +} + +; int foo(float * restrict A, float * restrict B, int n) { +; float sum = 0; +; for (intptr_t i=0; i < n; ++i) { +; sum += B[0]*A[i*4 ]; +; sum += B[1]*A[i*4+1]; +; sum += B[2]*A[i*4+2]; +; sum += B[3]*A[i*4+3]; +; } +; return sum; +; } + +; CHECK-LABEL: chain_red +; CHECK: fmul <4 x float> +; CHECK: shufflevector <4 x float> + +define i32 @chain_red(float* noalias %A, float* noalias %B, i32 %n) { +entry: + %cmp41 = icmp sgt i32 %n, 0 + br i1 %cmp41, label %for.body.lr.ph, label %for.end + +for.body.lr.ph: + %0 = load float* %B, align 4 + %arrayidx4 = getelementptr inbounds float* %B, i64 1 + %1 = load float* %arrayidx4, align 4 + %arrayidx10 = getelementptr inbounds float* %B, i64 2 + %2 = load float* %arrayidx10, align 4 + %arrayidx16 = getelementptr inbounds float* %B, i64 3 + %3 = load float* %arrayidx16, align 4 + %4 = sext i32 %n to i64 + br label %for.body + +for.body: + %i.043 = phi i64 [ 0, %for.body.lr.ph ], [ %inc, %for.body ] + %sum.042 = phi float [ 0.000000e+00, %for.body.lr.ph ], [ %add21, %for.body ] + %mul = shl nsw i64 %i.043, 2 + %arrayidx2 = getelementptr inbounds float* %A, i64 %mul + %5 = load float* %arrayidx2, align 4 + %mul3 = fmul fast float %0, %5 + %add = fadd fast float %sum.042, %mul3 + %add638 = or i64 %mul, 1 + %arrayidx7 = getelementptr inbounds float* %A, i64 %add638 + %6 = load float* %arrayidx7, align 4 + %mul8 = fmul fast float %1, %6 + %add9 = fadd fast float %add, %mul8 + %add1239 = or i64 %mul, 2 + %arrayidx13 = getelementptr inbounds float* %A, i64 %add1239 + %7 = load float* %arrayidx13, align 4 + %mul14 = fmul fast float %2, %7 + %add15 = fadd fast float %add9, %mul14 + %add1840 = or i64 %mul, 3 + %arrayidx19 = getelementptr inbounds float* %A, i64 %add1840 + %8 = load float* %arrayidx19, align 4 + %mul20 = fmul fast float %3, %8 + %add21 = fadd fast float %add15, %mul20 + %inc = add nsw i64 %i.043, 1 + %exitcond = icmp eq i64 %inc, %4 + br i1 %exitcond, label %for.cond.for.end_crit_edge, label %for.body + +for.cond.for.end_crit_edge: + %phitmp = fptosi float %add21 to i32 + br label %for.end + +for.end: + %sum.0.lcssa = phi i32 [ %phitmp, %for.cond.for.end_crit_edge ], [ 0, %entry ] + ret i32 %sum.0.lcssa +} + +; int foo(float * restrict A, float * restrict B, float * restrict C, int n) { +; float sum = 0; +; for (intptr_t i=0; i < n; ++i) { +; C[i] = B[0] *A[i*4 ] + +; B[1] *A[i*4+1] + +; B[2] *A[i*4+2] + +; B[3] *A[i*4+3]; +; } +; return sum; +; } + +; CHECK-LABEL: store_red +; CHECK: fmul <4 x float> +; CHECK: shufflevector <4 x float> + +define i32 @store_red(float* noalias %A, float* noalias %B, float* noalias %C, i32 %n) { +entry: + %cmp37 = icmp sgt i32 %n, 0 + br i1 %cmp37, label %for.body.lr.ph, label %for.end + +for.body.lr.ph: + %arrayidx4 = getelementptr inbounds float* %B, i64 1 + %arrayidx9 = getelementptr inbounds float* %B, i64 2 + %arrayidx15 = getelementptr inbounds float* %B, i64 3 + %0 = sext i32 %n to i64 + br label %for.body + +for.body: + %i.039 = phi i64 [ 0, %for.body.lr.ph ], [ %inc, %for.body ] + %C.addr.038 = phi float* [ %C, %for.body.lr.ph ], [ %incdec.ptr, %for.body ] + %1 = load float* %B, align 4 + %mul = shl nsw i64 %i.039, 2 + %arrayidx2 = getelementptr inbounds float* %A, i64 %mul + %2 = load float* %arrayidx2, align 4 + %mul3 = fmul fast float %1, %2 + %3 = load float* %arrayidx4, align 4 + %add34 = or i64 %mul, 1 + %arrayidx6 = getelementptr inbounds float* %A, i64 %add34 + %4 = load float* %arrayidx6, align 4 + %mul7 = fmul fast float %3, %4 + %add8 = fadd fast float %mul3, %mul7 + %5 = load float* %arrayidx9, align 4 + %add1135 = or i64 %mul, 2 + %arrayidx12 = getelementptr inbounds float* %A, i64 %add1135 + %6 = load float* %arrayidx12, align 4 + %mul13 = fmul fast float %5, %6 + %add14 = fadd fast float %add8, %mul13 + %7 = load float* %arrayidx15, align 4 + %add1736 = or i64 %mul, 3 + %arrayidx18 = getelementptr inbounds float* %A, i64 %add1736 + %8 = load float* %arrayidx18, align 4 + %mul19 = fmul fast float %7, %8 + %add20 = fadd fast float %add14, %mul19 + store float %add20, float* %C.addr.038, align 4 + %incdec.ptr = getelementptr inbounds float* %C.addr.038, i64 1 + %inc = add nsw i64 %i.039, 1 + %exitcond = icmp eq i64 %inc, %0 + br i1 %exitcond, label %for.end, label %for.body + +for.end: + ret i32 0 +} + + +; void foo(double * restrict A, double * restrict B, double * restrict C, +; int n) { +; for (intptr_t i=0; i < n; ++i) { +; C[i] = B[0] *A[i*4 ] + B[1] *A[i*4+1]; +; } +; } + +; CHECK-LABEL: store_red_double +; CHECK: fmul <2 x double> +; CHECK: extractelement <2 x double> +; CHECK: extractelement <2 x double> + +define void @store_red_double(double* noalias %A, double* noalias %B, double* noalias %C, i32 %n) { +entry: + %cmp17 = icmp sgt i32 %n, 0 + br i1 %cmp17, label %for.body.lr.ph, label %for.end + +for.body.lr.ph: + %0 = load double* %B, align 8 + %arrayidx4 = getelementptr inbounds double* %B, i64 1 + %1 = load double* %arrayidx4, align 8 + %2 = sext i32 %n to i64 + br label %for.body + +for.body: + %i.018 = phi i64 [ 0, %for.body.lr.ph ], [ %inc, %for.body ] + %mul = shl nsw i64 %i.018, 2 + %arrayidx2 = getelementptr inbounds double* %A, i64 %mul + %3 = load double* %arrayidx2, align 8 + %mul3 = fmul fast double %0, %3 + %add16 = or i64 %mul, 1 + %arrayidx6 = getelementptr inbounds double* %A, i64 %add16 + %4 = load double* %arrayidx6, align 8 + %mul7 = fmul fast double %1, %4 + %add8 = fadd fast double %mul3, %mul7 + %arrayidx9 = getelementptr inbounds double* %C, i64 %i.018 + store double %add8, double* %arrayidx9, align 8 + %inc = add nsw i64 %i.018, 1 + %exitcond = icmp eq i64 %inc, %2 + br i1 %exitcond, label %for.end, label %for.body + +for.end: + ret void +} -- cgit v1.2.3