82 lines
4.2 KiB
LLVM
82 lines
4.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -loop-vectorize -force-vector-width=4 -S %s | FileCheck %s
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define void @test(float* %A, i32 %x) {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
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; CHECK: vector.scevcheck:
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; CHECK-NEXT: [[IDENT_CHECK:%.*]] = icmp ne i32 [[X:%.*]], 1
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; CHECK-NEXT: br i1 [[IDENT_CHECK]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
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; CHECK: vector.ph:
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; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
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; CHECK: vector.body:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 0
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; CHECK-NEXT: [[TMP9:%.*]] = trunc i64 [[INDEX]] to i32
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; CHECK-NEXT: [[TMP10:%.*]] = add i32 [[TMP9]], 0
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; CHECK-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
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; CHECK-NEXT: [[TMP3:%.*]] = trunc i64 [[TMP2]] to i32
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; CHECK-NEXT: [[TMP4:%.*]] = mul i32 [[TMP3]], [[X]]
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; CHECK-NEXT: [[TMP5:%.*]] = zext i32 [[TMP4]] to i64
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; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[TMP5]]
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; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds float, float* [[TMP6]], i32 0
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; CHECK-NEXT: [[TMP8:%.*]] = bitcast float* [[TMP7]] to <4 x float>*
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; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x float>, <4 x float>* [[TMP8]], align 4
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; CHECK-NEXT: [[TMP11:%.*]] = mul i32 [[TMP10]], [[X]]
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; CHECK-NEXT: [[TMP12:%.*]] = zext i32 [[TMP11]] to i64
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; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP12]]
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; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds float, float* [[TMP13]], i32 0
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; CHECK-NEXT: [[TMP15:%.*]] = bitcast float* [[TMP14]] to <4 x float>*
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; CHECK-NEXT: store <4 x float> [[WIDE_LOAD]], <4 x float>* [[TMP15]], align 4
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; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP16:%.*]] = icmp eq i64 [[INDEX_NEXT]], undef
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; CHECK-NEXT: br i1 [[TMP16]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
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; CHECK: middle.block:
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; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 undef, undef
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; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
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; CHECK: scalar.ph:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ undef, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[IV_NEXT:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
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; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
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; CHECK-NEXT: [[T_IV_NEXT:%.*]] = trunc i64 [[IV_NEXT]] to i32
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; CHECK-NEXT: [[MUL_IV_NEXT:%.*]] = mul i32 [[T_IV_NEXT]], [[X]]
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; CHECK-NEXT: [[IDX_1:%.*]] = zext i32 [[MUL_IV_NEXT]] to i64
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; CHECK-NEXT: [[ARRAYIDX1215:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[IDX_1]]
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; CHECK-NEXT: [[LV:%.*]] = load float, float* [[ARRAYIDX1215]], align 4
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; CHECK-NEXT: [[T_IV:%.*]] = trunc i64 [[IV]] to i32
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; CHECK-NEXT: [[MUL_IV:%.*]] = mul i32 [[T_IV]], [[X]]
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; CHECK-NEXT: [[IDX_2:%.*]] = zext i32 [[MUL_IV]] to i64
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; CHECK-NEXT: [[ARRAYIDX1209:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[IDX_2]]
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; CHECK-NEXT: store float [[LV]], float* [[ARRAYIDX1209]], align 4
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; CHECK-NEXT: [[EC:%.*]] = icmp eq i64 [[IV_NEXT]], undef
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; CHECK-NEXT: br i1 [[EC]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP2:![0-9]+]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %loop
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loop: ; preds = %loop, %entry
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%iv = phi i64 [ %iv.next, %loop ], [ 0, %entry ]
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%iv.next = add nuw nsw i64 %iv, 1
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%t.iv.next = trunc i64 %iv.next to i32
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%mul.iv.next = mul i32 %t.iv.next, %x
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%idx.1 = zext i32 %mul.iv.next to i64
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%arrayidx1215 = getelementptr inbounds float, float* %A, i64 %idx.1
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%lv = load float, float* %arrayidx1215, align 4
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%t.iv = trunc i64 %iv to i32
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%mul.iv = mul i32 %t.iv, %x
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%idx.2 = zext i32 %mul.iv to i64
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%arrayidx1209 = getelementptr inbounds float, float* %A, i64 %idx.2
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store float %lv, float* %arrayidx1209, align 4
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%ec = icmp eq i64 %iv.next, undef
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br i1 %ec, label %exit, label %loop
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exit: ; preds = %loop
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ret void
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}
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