| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --version 6 |
| ; RUN: opt -passes=loop-vectorize < %s -S -o - | FileCheck %s --check-prefix=CHECK |
| ; RUN: opt -passes=loop-vectorize -debug-only=loop-vectorize -disable-output < %s 2>&1 | FileCheck %s --check-prefix=CHECK-COST |
| ; REQUIRES: asserts |
| |
| target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" |
| target triple = "thumbv8.1m.main-arm-none-eabi" |
| |
| ; CHECK-COST-LABEL: test |
| ; CHECK-COST: LV: Found an estimated cost of 1 for VF 1 For instruction: %or.cond = select i1 %cmp2, i1 true, i1 %cmp3 |
| ; CHECK-COST: Cost of 26 for VF 2: WIDEN ir<%or.cond> = select ir<%cmp2>, ir<true>, ir<%cmp3> |
| ; CHECK-COST: Cost of 2 for VF 4: WIDEN ir<%or.cond> = select ir<%cmp2>, ir<true>, ir<%cmp3> |
| |
| define float @test(ptr nocapture readonly %pA, ptr nocapture readonly %pB, i32 %blockSize) #0 { |
| ; CHECK-LABEL: define float @test( |
| ; CHECK-SAME: ptr readonly captures(none) [[PA:%.*]], ptr readonly captures(none) [[PB:%.*]], i32 [[BLOCKSIZE:%.*]]) #[[ATTR0:[0-9]+]] { |
| ; CHECK-NEXT: [[ENTRY:.*]]: |
| ; CHECK-NEXT: [[CMP_NOT16:%.*]] = icmp eq i32 [[BLOCKSIZE]], 0 |
| ; CHECK-NEXT: br i1 [[CMP_NOT16]], label %[[WHILE_END:.*]], label %[[WHILE_BODY_PREHEADER:.*]] |
| ; CHECK: [[WHILE_BODY_PREHEADER]]: |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[BLOCKSIZE]], 4 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] |
| ; CHECK: [[VECTOR_PH]]: |
| ; CHECK-NEXT: [[N_MOD_VF:%.*]] = and i32 [[BLOCKSIZE]], 3 |
| ; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[BLOCKSIZE]], [[N_MOD_VF]] |
| ; CHECK-NEXT: [[TMP0:%.*]] = shl i32 [[N_VEC]], 2 |
| ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[PA]], i32 [[TMP0]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[PB]], i32 [[TMP0]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = sub i32 [[BLOCKSIZE]], [[N_VEC]] |
| ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] |
| ; CHECK: [[VECTOR_BODY]]: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x float> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[PREDPHI:%.*]], %[[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[OFFSET_IDX:%.*]] = shl i32 [[INDEX]], 2 |
| ; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[PA]], i32 [[OFFSET_IDX]] |
| ; CHECK-NEXT: [[NEXT_GEP2:%.*]] = getelementptr i8, ptr [[PB]], i32 [[OFFSET_IDX]] |
| ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x float>, ptr [[NEXT_GEP]], align 4 |
| ; CHECK-NEXT: [[WIDE_LOAD3:%.*]] = load <4 x float>, ptr [[NEXT_GEP2]], align 4 |
| ; CHECK-NEXT: [[TMP5:%.*]] = fcmp fast une <4 x float> [[WIDE_LOAD]], zeroinitializer |
| ; CHECK-NEXT: [[TMP6:%.*]] = fcmp fast une <4 x float> [[WIDE_LOAD3]], zeroinitializer |
| ; CHECK-NEXT: [[TMP7:%.*]] = select <4 x i1> [[TMP5]], <4 x i1> splat (i1 true), <4 x i1> [[TMP6]] |
| ; CHECK-NEXT: [[TMP8:%.*]] = call fast <4 x float> @llvm.fabs.v4f32(<4 x float> [[WIDE_LOAD]]) |
| ; CHECK-NEXT: [[TMP9:%.*]] = call fast <4 x float> @llvm.fabs.v4f32(<4 x float> [[WIDE_LOAD3]]) |
| ; CHECK-NEXT: [[TMP10:%.*]] = fadd fast <4 x float> [[TMP9]], [[TMP8]] |
| ; CHECK-NEXT: [[TMP11:%.*]] = fsub fast <4 x float> [[WIDE_LOAD]], [[WIDE_LOAD3]] |
| ; CHECK-NEXT: [[TMP12:%.*]] = call fast <4 x float> @llvm.fabs.v4f32(<4 x float> [[TMP11]]) |
| ; CHECK-NEXT: [[TMP13:%.*]] = fmul fast <4 x float> [[TMP12]], [[TMP10]] |
| ; CHECK-NEXT: [[TMP14:%.*]] = fadd fast <4 x float> [[TMP13]], [[VEC_PHI]] |
| ; CHECK-NEXT: [[PREDPHI]] = select <4 x i1> [[TMP7]], <4 x float> [[TMP14]], <4 x float> [[VEC_PHI]] |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4 |
| ; CHECK-NEXT: [[TMP15:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[TMP15]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] |
| ; CHECK: [[MIDDLE_BLOCK]]: |
| ; CHECK-NEXT: [[TMP16:%.*]] = call fast float @llvm.vector.reduce.fadd.v4f32(float 0.000000e+00, <4 x float> [[PREDPHI]]) |
| ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[BLOCKSIZE]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[CMP_N]], label %[[WHILE_END_LOOPEXIT:.*]], label %[[SCALAR_PH]] |
| ; CHECK: [[SCALAR_PH]]: |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi ptr [ [[TMP1]], %[[MIDDLE_BLOCK]] ], [ [[PA]], %[[WHILE_BODY_PREHEADER]] ] |
| ; CHECK-NEXT: [[BC_RESUME_VAL3:%.*]] = phi ptr [ [[TMP2]], %[[MIDDLE_BLOCK]] ], [ [[PB]], %[[WHILE_BODY_PREHEADER]] ] |
| ; CHECK-NEXT: [[BC_RESUME_VAL4:%.*]] = phi i32 [ [[TMP3]], %[[MIDDLE_BLOCK]] ], [ [[BLOCKSIZE]], %[[WHILE_BODY_PREHEADER]] ] |
| ; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi float [ [[TMP16]], %[[MIDDLE_BLOCK]] ], [ 0.000000e+00, %[[WHILE_BODY_PREHEADER]] ] |
| ; CHECK-NEXT: br label %[[WHILE_BODY:.*]] |
| ; CHECK: [[WHILE_BODY]]: |
| ; CHECK-NEXT: [[PA_ADDR_020:%.*]] = phi ptr [ [[INCDEC_PTR:%.*]], %[[IF_END:.*]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] |
| ; CHECK-NEXT: [[PB_ADDR_019:%.*]] = phi ptr [ [[INCDEC_PTR1:%.*]], %[[IF_END]] ], [ [[BC_RESUME_VAL3]], %[[SCALAR_PH]] ] |
| ; CHECK-NEXT: [[BLOCKSIZE_ADDR_018:%.*]] = phi i32 [ [[DEC:%.*]], %[[IF_END]] ], [ [[BC_RESUME_VAL4]], %[[SCALAR_PH]] ] |
| ; CHECK-NEXT: [[ACCUM_017:%.*]] = phi float [ [[ACCUM_1:%.*]], %[[IF_END]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ] |
| ; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds float, ptr [[PA_ADDR_020]], i32 1 |
| ; CHECK-NEXT: [[TMP17:%.*]] = load float, ptr [[PA_ADDR_020]], align 4 |
| ; CHECK-NEXT: [[INCDEC_PTR1]] = getelementptr inbounds float, ptr [[PB_ADDR_019]], i32 1 |
| ; CHECK-NEXT: [[TMP18:%.*]] = load float, ptr [[PB_ADDR_019]], align 4 |
| ; CHECK-NEXT: [[CMP2:%.*]] = fcmp fast une float [[TMP17]], 0.000000e+00 |
| ; CHECK-NEXT: [[CMP3:%.*]] = fcmp fast une float [[TMP18]], 0.000000e+00 |
| ; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[CMP2]], i1 true, i1 [[CMP3]] |
| ; CHECK-NEXT: br i1 [[OR_COND]], label %[[IF_THEN:.*]], label %[[IF_END]] |
| ; CHECK: [[IF_THEN]]: |
| ; CHECK-NEXT: [[TMP19:%.*]] = tail call fast float @llvm.fabs.f32(float [[TMP17]]) |
| ; CHECK-NEXT: [[TMP20:%.*]] = tail call fast float @llvm.fabs.f32(float [[TMP18]]) |
| ; CHECK-NEXT: [[ADD:%.*]] = fadd fast float [[TMP20]], [[TMP19]] |
| ; CHECK-NEXT: [[SUB:%.*]] = fsub fast float [[TMP17]], [[TMP18]] |
| ; CHECK-NEXT: [[TMP21:%.*]] = tail call fast float @llvm.fabs.f32(float [[SUB]]) |
| ; CHECK-NEXT: [[DIV:%.*]] = fmul fast float [[TMP21]], [[ADD]] |
| ; CHECK-NEXT: [[ADD4:%.*]] = fadd fast float [[DIV]], [[ACCUM_017]] |
| ; CHECK-NEXT: br label %[[IF_END]] |
| ; CHECK: [[IF_END]]: |
| ; CHECK-NEXT: [[ACCUM_1]] = phi float [ [[ADD4]], %[[IF_THEN]] ], [ [[ACCUM_017]], %[[WHILE_BODY]] ] |
| ; CHECK-NEXT: [[DEC]] = add i32 [[BLOCKSIZE_ADDR_018]], -1 |
| ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[DEC]], 0 |
| ; CHECK-NEXT: br i1 [[CMP_NOT]], label %[[WHILE_END_LOOPEXIT]], label %[[WHILE_BODY]], !llvm.loop [[LOOP3:![0-9]+]] |
| ; CHECK: [[WHILE_END_LOOPEXIT]]: |
| ; CHECK-NEXT: [[ACCUM_1_LCSSA:%.*]] = phi float [ [[ACCUM_1]], %[[IF_END]] ], [ [[TMP16]], %[[MIDDLE_BLOCK]] ] |
| ; CHECK-NEXT: br label %[[WHILE_END]] |
| ; CHECK: [[WHILE_END]]: |
| ; CHECK-NEXT: [[ACCUM_0_LCSSA:%.*]] = phi float [ 0.000000e+00, %[[ENTRY]] ], [ [[ACCUM_1_LCSSA]], %[[WHILE_END_LOOPEXIT]] ] |
| ; CHECK-NEXT: ret float [[ACCUM_0_LCSSA]] |
| ; |
| entry: |
| %cmp.not16 = icmp eq i32 %blockSize, 0 |
| br i1 %cmp.not16, label %while.end, label %while.body |
| |
| while.body: |
| %pA.addr.020 = phi ptr [ %incdec.ptr, %if.end ], [ %pA, %entry ] |
| %pB.addr.019 = phi ptr [ %incdec.ptr1, %if.end ], [ %pB, %entry ] |
| %blockSize.addr.018 = phi i32 [ %dec, %if.end ], [ %blockSize, %entry ] |
| %accum.017 = phi float [ %accum.1, %if.end ], [ 0.000000e+00, %entry ] |
| %incdec.ptr = getelementptr inbounds float, ptr %pA.addr.020, i32 1 |
| %0 = load float, ptr %pA.addr.020, align 4 |
| %incdec.ptr1 = getelementptr inbounds float, ptr %pB.addr.019, i32 1 |
| %1 = load float, ptr %pB.addr.019, align 4 |
| %cmp2 = fcmp fast une float %0, 0.000000e+00 |
| %cmp3 = fcmp fast une float %1, 0.000000e+00 |
| %or.cond = select i1 %cmp2, i1 true, i1 %cmp3 |
| br i1 %or.cond, label %if.then, label %if.end |
| |
| if.then: |
| %2 = tail call fast float @llvm.fabs.f32(float %0) |
| %3 = tail call fast float @llvm.fabs.f32(float %1) |
| %add = fadd fast float %3, %2 |
| %sub = fsub fast float %0, %1 |
| %4 = tail call fast float @llvm.fabs.f32(float %sub) |
| %div = fmul fast float %4, %add |
| %add4 = fadd fast float %div, %accum.017 |
| br label %if.end |
| |
| if.end: |
| %accum.1 = phi float [ %add4, %if.then ], [ %accum.017, %while.body ] |
| %dec = add i32 %blockSize.addr.018, -1 |
| %cmp.not = icmp eq i32 %dec, 0 |
| br i1 %cmp.not, label %while.end, label %while.body |
| |
| while.end: |
| %accum.0.lcssa = phi float [ 0.000000e+00, %entry ], [ %accum.1, %if.end ] |
| ret float %accum.0.lcssa |
| } |
| |
| |
| attributes #0 = { "target-features"="+mve.fp" } |
| ;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line: |
| ; CHECK-COST: {{.*}} |
