You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
118 lines
5.4 KiB
118 lines
5.4 KiB
; REQUIRES: asserts
|
|
; RUN: opt -loop-vectorize -S -mattr=avx512bw --debug-only=loop-vectorize < %s 2>&1| FileCheck %s
|
|
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
@A = global [10240 x i8] zeroinitializer, align 16
|
|
@B = global [10240 x i8] zeroinitializer, align 16
|
|
|
|
; Function Attrs: nounwind uwtable
|
|
define void @load_i8_stride2() {
|
|
;CHECK-LABEL: load_i8_stride2
|
|
;CHECK: Found an estimated cost of 1 for VF 1 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 1 for VF 2 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 1 for VF 4 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 1 for VF 8 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 4 for VF 16 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 8 for VF 32 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 20 for VF 64 For instruction: %1 = load
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body: ; preds = %for.body, %entry
|
|
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
|
|
%0 = shl nsw i64 %indvars.iv, 1
|
|
%arrayidx = getelementptr inbounds [10240 x i8], [10240 x i8]* @A, i64 0, i64 %0
|
|
%1 = load i8, i8* %arrayidx, align 2
|
|
%arrayidx2 = getelementptr inbounds [10240 x i8], [10240 x i8]* @B, i64 0, i64 %indvars.iv
|
|
store i8 %1, i8* %arrayidx2, align 1
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
%exitcond = icmp eq i64 %indvars.iv.next, 1024
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
for.end: ; preds = %for.body
|
|
ret void
|
|
}
|
|
|
|
define void @load_i8_stride3() {
|
|
;CHECK-LABEL: load_i8_stride3
|
|
;CHECK: Found an estimated cost of 1 for VF 1 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 1 for VF 2 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 1 for VF 4 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 4 for VF 8 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 13 for VF 16 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 16 for VF 32 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 25 for VF 64 For instruction: %1 = load
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body: ; preds = %for.body, %entry
|
|
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
|
|
%0 = mul nsw i64 %indvars.iv, 3
|
|
%arrayidx = getelementptr inbounds [10240 x i8], [10240 x i8]* @A, i64 0, i64 %0
|
|
%1 = load i8, i8* %arrayidx, align 2
|
|
%arrayidx2 = getelementptr inbounds [10240 x i8], [10240 x i8]* @B, i64 0, i64 %indvars.iv
|
|
store i8 %1, i8* %arrayidx2, align 1
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
%exitcond = icmp eq i64 %indvars.iv.next, 1024
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
for.end: ; preds = %for.body
|
|
ret void
|
|
}
|
|
|
|
define void @load_i8_stride4() {
|
|
;CHECK-LABEL: load_i8_stride4
|
|
;CHECK: Found an estimated cost of 1 for VF 1 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 1 for VF 2 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 1 for VF 4 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 4 for VF 8 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 8 for VF 16 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 20 for VF 32 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 59 for VF 64 For instruction: %1 = load
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body: ; preds = %for.body, %entry
|
|
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
|
|
%0 = shl nsw i64 %indvars.iv, 2
|
|
%arrayidx = getelementptr inbounds [10240 x i8], [10240 x i8]* @A, i64 0, i64 %0
|
|
%1 = load i8, i8* %arrayidx, align 2
|
|
%arrayidx2 = getelementptr inbounds [10240 x i8], [10240 x i8]* @B, i64 0, i64 %indvars.iv
|
|
store i8 %1, i8* %arrayidx2, align 1
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
%exitcond = icmp eq i64 %indvars.iv.next, 1024
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
for.end: ; preds = %for.body
|
|
ret void
|
|
}
|
|
|
|
define void @load_i8_stride5() {
|
|
;CHECK-LABEL: load_i8_stride5
|
|
;CHECK: Found an estimated cost of 1 for VF 1 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 1 for VF 2 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 4 for VF 4 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 8 for VF 8 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 20 for VF 16 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 39 for VF 32 For instruction: %1 = load
|
|
;CHECK: Found an estimated cost of 78 for VF 64 For instruction: %1 = load
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body: ; preds = %for.body, %entry
|
|
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
|
|
%0 = mul nsw i64 %indvars.iv, 5
|
|
%arrayidx = getelementptr inbounds [10240 x i8], [10240 x i8]* @A, i64 0, i64 %0
|
|
%1 = load i8, i8* %arrayidx, align 2
|
|
%arrayidx2 = getelementptr inbounds [10240 x i8], [10240 x i8]* @B, i64 0, i64 %indvars.iv
|
|
store i8 %1, i8* %arrayidx2, align 1
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
%exitcond = icmp eq i64 %indvars.iv.next, 1024
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
for.end: ; preds = %for.body
|
|
ret void
|
|
}
|