102 lines
5.8 KiB
LLVM
102 lines
5.8 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=loop-vectorize -force-vector-interleave=4 -force-vector-width=1 -S | FileCheck --check-prefixes=CHECK,DEFAULT %s
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; RUN: opt < %s -passes=loop-vectorize -force-vector-interleave=4 -force-vector-width=1 -lv-strided-pointer-ivs=true -S | FileCheck --check-prefixes=CHECK,STRIDED %s
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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; Test the scalar expansion of a non-constant stride pointer IV
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define void @non_constant_scalar_expansion(i32 %0, ptr %call) {
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; DEFAULT-LABEL: @non_constant_scalar_expansion(
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; DEFAULT-NEXT: entry:
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; DEFAULT-NEXT: [[MUL:%.*]] = shl i32 [[TMP0:%.*]], 1
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; DEFAULT-NEXT: br label [[FOR_COND:%.*]]
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; DEFAULT: for.cond:
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; DEFAULT-NEXT: [[TMP1:%.*]] = phi i32 [ 30, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[FOR_COND]] ]
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; DEFAULT-NEXT: [[P_0:%.*]] = phi ptr [ null, [[ENTRY]] ], [ [[ADD_PTR:%.*]], [[FOR_COND]] ]
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; DEFAULT-NEXT: [[ADD_PTR]] = getelementptr i8, ptr [[P_0]], i32 [[MUL]]
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; DEFAULT-NEXT: [[ARRAYIDX:%.*]] = getelementptr ptr, ptr [[CALL:%.*]], i32 [[TMP1]]
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; DEFAULT-NEXT: store ptr [[P_0]], ptr [[ARRAYIDX]], align 4
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; DEFAULT-NEXT: [[INC]] = add i32 [[TMP1]], 1
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; DEFAULT-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i32 [[TMP1]], 0
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; DEFAULT-NEXT: br i1 [[TOBOOL_NOT]], label [[FOR_END:%.*]], label [[FOR_COND]]
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; DEFAULT: for.end:
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; DEFAULT-NEXT: ret void
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;
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; STRIDED-LABEL: @non_constant_scalar_expansion(
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; STRIDED-NEXT: entry:
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; STRIDED-NEXT: [[MUL:%.*]] = shl i32 [[TMP0:%.*]], 1
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; STRIDED-NEXT: [[TMP1:%.*]] = sext i32 [[MUL]] to i64
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; STRIDED-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
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; STRIDED: vector.ph:
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; STRIDED-NEXT: [[TMP2:%.*]] = mul i64 4294967264, [[TMP1]]
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; STRIDED-NEXT: [[IND_END:%.*]] = getelementptr i8, ptr null, i64 [[TMP2]]
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; STRIDED-NEXT: br label [[VECTOR_BODY:%.*]]
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; STRIDED: vector.body:
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; STRIDED-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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; STRIDED-NEXT: [[TMP4:%.*]] = add i64 [[INDEX]], 0
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; STRIDED-NEXT: [[TMP5:%.*]] = mul i64 [[TMP4]], [[TMP1]]
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; STRIDED-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr null, i64 [[TMP5]]
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; STRIDED-NEXT: [[TMP6:%.*]] = add i64 [[INDEX]], 1
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; STRIDED-NEXT: [[TMP7:%.*]] = mul i64 [[TMP6]], [[TMP1]]
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; STRIDED-NEXT: [[NEXT_GEP2:%.*]] = getelementptr i8, ptr null, i64 [[TMP7]]
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; STRIDED-NEXT: [[TMP8:%.*]] = add i64 [[INDEX]], 2
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; STRIDED-NEXT: [[TMP9:%.*]] = mul i64 [[TMP8]], [[TMP1]]
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; STRIDED-NEXT: [[NEXT_GEP3:%.*]] = getelementptr i8, ptr null, i64 [[TMP9]]
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; STRIDED-NEXT: [[TMP10:%.*]] = add i64 [[INDEX]], 3
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; STRIDED-NEXT: [[TMP11:%.*]] = mul i64 [[TMP10]], [[TMP1]]
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; STRIDED-NEXT: [[NEXT_GEP4:%.*]] = getelementptr i8, ptr null, i64 [[TMP11]]
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; STRIDED-NEXT: [[DOTCAST:%.*]] = trunc i64 [[INDEX]] to i32
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; STRIDED-NEXT: [[OFFSET_IDX:%.*]] = add i32 30, [[DOTCAST]]
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; STRIDED-NEXT: [[TMP12:%.*]] = add i32 [[OFFSET_IDX]], 0
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; STRIDED-NEXT: [[TMP13:%.*]] = add i32 [[OFFSET_IDX]], 1
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; STRIDED-NEXT: [[TMP14:%.*]] = add i32 [[OFFSET_IDX]], 2
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; STRIDED-NEXT: [[TMP15:%.*]] = add i32 [[OFFSET_IDX]], 3
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; STRIDED-NEXT: [[TMP16:%.*]] = getelementptr ptr, ptr [[CALL:%.*]], i32 [[TMP12]]
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; STRIDED-NEXT: [[TMP17:%.*]] = getelementptr ptr, ptr [[CALL]], i32 [[TMP13]]
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; STRIDED-NEXT: [[TMP18:%.*]] = getelementptr ptr, ptr [[CALL]], i32 [[TMP14]]
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; STRIDED-NEXT: [[TMP19:%.*]] = getelementptr ptr, ptr [[CALL]], i32 [[TMP15]]
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; STRIDED-NEXT: store ptr [[NEXT_GEP]], ptr [[TMP16]], align 4
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; STRIDED-NEXT: store ptr [[NEXT_GEP2]], ptr [[TMP17]], align 4
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; STRIDED-NEXT: store ptr [[NEXT_GEP3]], ptr [[TMP18]], align 4
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; STRIDED-NEXT: store ptr [[NEXT_GEP4]], ptr [[TMP19]], align 4
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; STRIDED-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
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; STRIDED-NEXT: [[TMP20:%.*]] = icmp eq i64 [[INDEX_NEXT]], 4294967264
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; STRIDED-NEXT: br i1 [[TMP20]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
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; STRIDED: middle.block:
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; STRIDED-NEXT: br i1 false, label [[FOR_END:%.*]], label [[SCALAR_PH]]
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; STRIDED: scalar.ph:
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; STRIDED-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ -2, [[MIDDLE_BLOCK]] ], [ 30, [[ENTRY:%.*]] ]
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; STRIDED-NEXT: [[BC_RESUME_VAL1:%.*]] = phi ptr [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ null, [[ENTRY]] ]
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; STRIDED-NEXT: br label [[FOR_COND:%.*]]
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; STRIDED: for.cond:
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; STRIDED-NEXT: [[TMP21:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INC:%.*]], [[FOR_COND]] ]
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; STRIDED-NEXT: [[P_0:%.*]] = phi ptr [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[ADD_PTR:%.*]], [[FOR_COND]] ]
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; STRIDED-NEXT: [[ADD_PTR]] = getelementptr i8, ptr [[P_0]], i32 [[MUL]]
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; STRIDED-NEXT: [[ARRAYIDX:%.*]] = getelementptr ptr, ptr [[CALL]], i32 [[TMP21]]
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; STRIDED-NEXT: store ptr [[P_0]], ptr [[ARRAYIDX]], align 4
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; STRIDED-NEXT: [[INC]] = add i32 [[TMP21]], 1
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; STRIDED-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i32 [[TMP21]], 0
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; STRIDED-NEXT: br i1 [[TOBOOL_NOT]], label [[FOR_END]], label [[FOR_COND]], !llvm.loop [[LOOP3:![0-9]+]]
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; STRIDED: for.end:
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; STRIDED-NEXT: ret void
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;
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entry:
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%mul = shl i32 %0, 1
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br label %for.cond
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for.cond: ; preds = %for.body, %entry
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%1 = phi i32 [ 30, %entry ], [ %inc, %for.cond ]
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%p.0 = phi ptr [ null, %entry ], [ %add.ptr, %for.cond ]
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%add.ptr = getelementptr i8, ptr %p.0, i32 %mul
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%arrayidx = getelementptr ptr, ptr %call, i32 %1
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store ptr %p.0, ptr %arrayidx, align 4
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%inc = add i32 %1, 1
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%tobool.not = icmp eq i32 %1, 0
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br i1 %tobool.not, label %for.end, label %for.cond
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for.end: ; preds = %for.cond
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ret void
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}
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;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
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; CHECK: {{.*}}
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