forked from OSchip/llvm-project
107 lines
2.7 KiB
LLVM
107 lines
2.7 KiB
LLVM
|
; RUN: opt < %s -S -falkor-hwpf-fix -mtriple aarch64 -mcpu=falkor | FileCheck %s
|
||
|
|
; RUN: opt < %s -S -falkor-hwpf-fix -mtriple aarch64 -mcpu=cortex-a57 | FileCheck %s --check-prefix=NOHWPF
|
||
|
|
|
||
|
|
; Check that strided access metadata is added to loads in inner loops when compiling for Falkor.
|
||
|
|
|
||
|
|
; CHECK-LABEL: @hwpf1(
|
||
|
|
; CHECK: load i32, i32* %gep, !falkor.strided.access !0
|
||
|
|
; CHECK: load i32, i32* %gep2, !falkor.strided.access !0
|
||
|
|
|
||
|
|
; NOHWPF-LABEL: @hwpf1(
|
||
|
|
; NOHWPF: load i32, i32* %gep{{$}}
|
||
|
|
; NOHWPF: load i32, i32* %gep2{{$}}
|
||
|
|
define void @hwpf1(i32* %p, i32* %p2) {
|
||
|
|
entry:
|
||
|
|
br label %loop
|
||
|
|
|
||
|
|
loop:
|
||
|
|
%iv = phi i32 [ 0, %entry ], [ %inc, %loop ]
|
||
|
|
|
||
|
|
%gep = getelementptr inbounds i32, i32* %p, i32 %iv
|
||
|
|
%load = load i32, i32* %gep
|
||
|
|
|
||
|
|
%gep2 = getelementptr inbounds i32, i32* %p2, i32 %iv
|
||
|
|
%load2 = load i32, i32* %gep2
|
||
|
|
|
||
|
|
%inc = add i32 %iv, 1
|
||
|
|
%exitcnd = icmp uge i32 %inc, 1024
|
||
|
|
br i1 %exitcnd, label %exit, label %loop
|
||
|
|
|
||
|
|
exit:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check that outer loop strided load isn't marked.
|
||
|
|
; CHECK-LABEL: @hwpf2(
|
||
|
|
; CHECK: load i32, i32* %gep, !falkor.strided.access !0
|
||
|
|
; CHECK: load i32, i32* %gep2{{$}}
|
||
|
|
|
||
|
|
; NOHWPF-LABEL: @hwpf2(
|
||
|
|
; NOHWPF: load i32, i32* %gep{{$}}
|
||
|
|
; NOHWPF: load i32, i32* %gep2{{$}}
|
||
|
|
define void @hwpf2(i32* %p) {
|
||
|
|
entry:
|
||
|
|
br label %loop1
|
||
|
|
|
||
|
|
loop1:
|
||
|
|
%iv1 = phi i32 [ 0, %entry ], [ %inc1, %loop1.latch ]
|
||
|
|
%outer.sum = phi i32 [ 0, %entry ], [ %sum, %loop1.latch ]
|
||
|
|
br label %loop2.header
|
||
|
|
|
||
|
|
loop2.header:
|
||
|
|
br label %loop2
|
||
|
|
|
||
|
|
loop2:
|
||
|
|
%iv2 = phi i32 [ 0, %loop2.header ], [ %inc2, %loop2 ]
|
||
|
|
%sum = phi i32 [ %outer.sum, %loop2.header ], [ %sum.inc, %loop2 ]
|
||
|
|
%gep = getelementptr inbounds i32, i32* %p, i32 %iv2
|
||
|
|
%load = load i32, i32* %gep
|
||
|
|
%sum.inc = add i32 %sum, %load
|
||
|
|
%inc2 = add i32 %iv2, 1
|
||
|
|
%exitcnd2 = icmp uge i32 %inc2, 1024
|
||
|
|
br i1 %exitcnd2, label %exit2, label %loop2
|
||
|
|
|
||
|
|
exit2:
|
||
|
|
%gep2 = getelementptr inbounds i32, i32* %p, i32 %iv1
|
||
|
|
%load2 = load i32, i32* %gep2
|
||
|
|
br label %loop1.latch
|
||
|
|
|
||
|
|
loop1.latch:
|
||
|
|
%inc1 = add i32 %iv1, 1
|
||
|
|
%exitcnd1 = icmp uge i32 %inc1, 1024
|
||
|
|
br i1 %exitcnd2, label %exit, label %loop1
|
||
|
|
|
||
|
|
exit:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
; Check that non-strided load isn't marked.
|
||
|
|
; CHECK-LABEL: @hwpf3(
|
||
|
|
; CHECK: load i32, i32* %gep, !falkor.strided.access !0
|
||
|
|
; CHECK: load i32, i32* %gep2{{$}}
|
||
|
|
|
||
|
|
; NOHWPF-LABEL: @hwpf3(
|
||
|
|
; NOHWPF: load i32, i32* %gep{{$}}
|
||
|
|
; NOHWPF: load i32, i32* %gep2{{$}}
|
||
|
|
define void @hwpf3(i32* %p, i32* %p2) {
|
||
|
|
entry:
|
||
|
|
br label %loop
|
||
|
|
|
||
|
|
loop:
|
||
|
|
%iv = phi i32 [ 0, %entry ], [ %inc, %loop ]
|
||
|
|
|
||
|
|
%gep = getelementptr inbounds i32, i32* %p, i32 %iv
|
||
|
|
%load = load i32, i32* %gep
|
||
|
|
|
||
|
|
%gep2 = getelementptr inbounds i32, i32* %p2, i32 %load
|
||
|
|
%load2 = load i32, i32* %gep2
|
||
|
|
|
||
|
|
%inc = add i32 %iv, 1
|
||
|
|
%exitcnd = icmp uge i32 %inc, 1024
|
||
|
|
br i1 %exitcnd, label %exit, label %loop
|
||
|
|
|
||
|
|
exit:
|
||
|
|
ret void
|
||
|
|
}
|