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|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -mtriple riscv64-linux-gnu -mattr=+v,+d -passes=loop-vectorize < %s -S -o - | FileCheck %s -check-prefix=OUTLOOP
; RUN: opt -mtriple riscv64-linux-gnu -mattr=+v,+d -passes=loop-vectorize -prefer-inloop-reductions < %s -S -o - | FileCheck %s -check-prefix=INLOOP
target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n64-S128"
target triple = "riscv64"
define i32 @add_i16_i32(ptr nocapture readonly %x, i32 %n) {
; OUTLOOP-LABEL: @add_i16_i32(
; OUTLOOP-NEXT: entry:
; OUTLOOP-NEXT: [[CMP6:%.*]] = icmp sgt i32 [[N:%.*]], 0
; OUTLOOP-NEXT: br i1 [[CMP6]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
; OUTLOOP: for.body.preheader:
; OUTLOOP-NEXT: [[TMP0:%.*]] = call i32 @llvm.vscale.i32()
; OUTLOOP-NEXT: [[TMP1:%.*]] = mul i32 [[TMP0]], 4
; OUTLOOP-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], [[TMP1]]
; OUTLOOP-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; OUTLOOP: vector.ph:
; OUTLOOP-NEXT: [[TMP2:%.*]] = call i32 @llvm.vscale.i32()
; OUTLOOP-NEXT: [[TMP3:%.*]] = mul i32 [[TMP2]], 4
; OUTLOOP-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N]], [[TMP3]]
; OUTLOOP-NEXT: [[N_VEC:%.*]] = sub i32 [[N]], [[N_MOD_VF]]
; OUTLOOP-NEXT: br label [[VECTOR_BODY:%.*]]
; OUTLOOP: vector.body:
; OUTLOOP-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; OUTLOOP-NEXT: [[VEC_PHI:%.*]] = phi <vscale x 4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP8:%.*]], [[VECTOR_BODY]] ]
; OUTLOOP-NEXT: [[TMP4:%.*]] = add i32 [[INDEX]], 0
; OUTLOOP-NEXT: [[TMP5:%.*]] = getelementptr inbounds i16, ptr [[X:%.*]], i32 [[TMP4]]
; OUTLOOP-NEXT: [[TMP6:%.*]] = getelementptr inbounds i16, ptr [[TMP5]], i32 0
; OUTLOOP-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 4 x i16>, ptr [[TMP6]], align 2
; OUTLOOP-NEXT: [[TMP7:%.*]] = sext <vscale x 4 x i16> [[WIDE_LOAD]] to <vscale x 4 x i32>
; OUTLOOP-NEXT: [[TMP8]] = add <vscale x 4 x i32> [[VEC_PHI]], [[TMP7]]
; OUTLOOP-NEXT: [[TMP9:%.*]] = call i32 @llvm.vscale.i32()
; OUTLOOP-NEXT: [[TMP10:%.*]] = mul i32 [[TMP9]], 4
; OUTLOOP-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], [[TMP10]]
; OUTLOOP-NEXT: [[TMP11:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
; OUTLOOP-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; OUTLOOP: middle.block:
; OUTLOOP-NEXT: [[TMP12:%.*]] = call i32 @llvm.vector.reduce.add.nxv4i32(<vscale x 4 x i32> [[TMP8]])
; OUTLOOP-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[N]], [[N_VEC]]
; OUTLOOP-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; OUTLOOP: scalar.ph:
; OUTLOOP-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
; OUTLOOP-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[TMP12]], [[MIDDLE_BLOCK]] ]
; OUTLOOP-NEXT: br label [[FOR_BODY:%.*]]
; OUTLOOP: for.body:
; OUTLOOP-NEXT: [[I_08:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
; OUTLOOP-NEXT: [[R_07:%.*]] = phi i32 [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
; OUTLOOP-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i16, ptr [[X]], i32 [[I_08]]
; OUTLOOP-NEXT: [[TMP13:%.*]] = load i16, ptr [[ARRAYIDX]], align 2
; OUTLOOP-NEXT: [[CONV:%.*]] = sext i16 [[TMP13]] to i32
; OUTLOOP-NEXT: [[ADD]] = add nsw i32 [[R_07]], [[CONV]]
; OUTLOOP-NEXT: [[INC]] = add nuw nsw i32 [[I_08]], 1
; OUTLOOP-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
; OUTLOOP-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]]
; OUTLOOP: for.cond.cleanup.loopexit:
; OUTLOOP-NEXT: [[ADD_LCSSA:%.*]] = phi i32 [ [[ADD]], [[FOR_BODY]] ], [ [[TMP12]], [[MIDDLE_BLOCK]] ]
; OUTLOOP-NEXT: br label [[FOR_COND_CLEANUP]]
; OUTLOOP: for.cond.cleanup:
; OUTLOOP-NEXT: [[R_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
; OUTLOOP-NEXT: ret i32 [[R_0_LCSSA]]
;
; INLOOP-LABEL: @add_i16_i32(
; INLOOP-NEXT: entry:
; INLOOP-NEXT: [[CMP6:%.*]] = icmp sgt i32 [[N:%.*]], 0
; INLOOP-NEXT: br i1 [[CMP6]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
; INLOOP: for.body.preheader:
; INLOOP-NEXT: [[TMP0:%.*]] = call i32 @llvm.vscale.i32()
; INLOOP-NEXT: [[TMP1:%.*]] = mul i32 [[TMP0]], 8
; INLOOP-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], [[TMP1]]
; INLOOP-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; INLOOP: vector.ph:
; INLOOP-NEXT: [[TMP2:%.*]] = call i32 @llvm.vscale.i32()
; INLOOP-NEXT: [[TMP3:%.*]] = mul i32 [[TMP2]], 8
; INLOOP-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N]], [[TMP3]]
; INLOOP-NEXT: [[N_VEC:%.*]] = sub i32 [[N]], [[N_MOD_VF]]
; INLOOP-NEXT: br label [[VECTOR_BODY:%.*]]
; INLOOP: vector.body:
; INLOOP-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; INLOOP-NEXT: [[VEC_PHI:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP9:%.*]], [[VECTOR_BODY]] ]
; INLOOP-NEXT: [[TMP4:%.*]] = add i32 [[INDEX]], 0
; INLOOP-NEXT: [[TMP5:%.*]] = getelementptr inbounds i16, ptr [[X:%.*]], i32 [[TMP4]]
; INLOOP-NEXT: [[TMP6:%.*]] = getelementptr inbounds i16, ptr [[TMP5]], i32 0
; INLOOP-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 8 x i16>, ptr [[TMP6]], align 2
; INLOOP-NEXT: [[TMP7:%.*]] = sext <vscale x 8 x i16> [[WIDE_LOAD]] to <vscale x 8 x i32>
; INLOOP-NEXT: [[TMP8:%.*]] = call i32 @llvm.vector.reduce.add.nxv8i32(<vscale x 8 x i32> [[TMP7]])
; INLOOP-NEXT: [[TMP9]] = add i32 [[TMP8]], [[VEC_PHI]]
; INLOOP-NEXT: [[TMP10:%.*]] = call i32 @llvm.vscale.i32()
; INLOOP-NEXT: [[TMP11:%.*]] = mul i32 [[TMP10]], 8
; INLOOP-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], [[TMP11]]
; INLOOP-NEXT: [[TMP12:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
; INLOOP-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; INLOOP: middle.block:
; INLOOP-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[N]], [[N_VEC]]
; INLOOP-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; INLOOP: scalar.ph:
; INLOOP-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
; INLOOP-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[TMP9]], [[MIDDLE_BLOCK]] ]
; INLOOP-NEXT: br label [[FOR_BODY:%.*]]
; INLOOP: for.body:
; INLOOP-NEXT: [[I_08:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
; INLOOP-NEXT: [[R_07:%.*]] = phi i32 [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
; INLOOP-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i16, ptr [[X]], i32 [[I_08]]
; INLOOP-NEXT: [[TMP13:%.*]] = load i16, ptr [[ARRAYIDX]], align 2
; INLOOP-NEXT: [[CONV:%.*]] = sext i16 [[TMP13]] to i32
; INLOOP-NEXT: [[ADD]] = add nsw i32 [[R_07]], [[CONV]]
; INLOOP-NEXT: [[INC]] = add nuw nsw i32 [[I_08]], 1
; INLOOP-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
; INLOOP-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]]
; INLOOP: for.cond.cleanup.loopexit:
; INLOOP-NEXT: [[ADD_LCSSA:%.*]] = phi i32 [ [[ADD]], [[FOR_BODY]] ], [ [[TMP9]], [[MIDDLE_BLOCK]] ]
; INLOOP-NEXT: br label [[FOR_COND_CLEANUP]]
; INLOOP: for.cond.cleanup:
; INLOOP-NEXT: [[R_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
; INLOOP-NEXT: ret i32 [[R_0_LCSSA]]
;
entry:
%cmp6 = icmp sgt i32 %n, 0
br i1 %cmp6, label %for.body, label %for.cond.cleanup
for.body: ; preds = %entry, %for.body
%i.08 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
%r.07 = phi i32 [ %add, %for.body ], [ 0, %entry ]
%arrayidx = getelementptr inbounds i16, ptr %x, i32 %i.08
%0 = load i16, ptr %arrayidx, align 2
%conv = sext i16 %0 to i32
%add = add nsw i32 %r.07, %conv
%inc = add nuw nsw i32 %i.08, 1
%exitcond = icmp eq i32 %inc, %n
br i1 %exitcond, label %for.cond.cleanup, label %for.body
for.cond.cleanup: ; preds = %for.body, %entry
%r.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ]
ret i32 %r.0.lcssa
}
|
