mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-22 18:54:02 +01:00
bacd696ee9
Due to the dependency on runtime unrolling, UnJ is only enabled by default on in-order scheduling models, and if a cpu is specified through -mcpu. Differential Revision: https://reviews.llvm.org/D103604
96 lines
4.7 KiB
LLVM
96 lines
4.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -passes='loop-unroll-and-jam' < %s -mcpu=cortex-a55 -mtriple=aarch64-none-linux-eabi -S | FileCheck %s
|
|
|
|
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
|
|
|
define void @unj(i32 %I, i32 %argj, i32* noalias nocapture %A, i32* noalias nocapture readonly %B) #0 {
|
|
; CHECK-LABEL: @unj(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[ARGJ:%.*]], 0
|
|
; CHECK-NEXT: br i1 [[CMP]], label [[FOR_END:%.*]], label [[FOR_PREHEADER:%.*]]
|
|
; CHECK: for.preheader:
|
|
; CHECK-NEXT: br label [[FOR_OUTER:%.*]]
|
|
; CHECK: for.outer:
|
|
; CHECK-NEXT: br label [[FOR_INNER:%.*]]
|
|
; CHECK: for.inner:
|
|
; CHECK-NEXT: [[J:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[INC:%.*]], [[FOR_INNER]] ]
|
|
; CHECK-NEXT: [[SUM:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[ADD:%.*]], [[FOR_INNER]] ]
|
|
; CHECK-NEXT: [[J_1:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[INC_1:%.*]], [[FOR_INNER]] ]
|
|
; CHECK-NEXT: [[SUM_1:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[ADD_1:%.*]], [[FOR_INNER]] ]
|
|
; CHECK-NEXT: [[J_2:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[INC_2:%.*]], [[FOR_INNER]] ]
|
|
; CHECK-NEXT: [[SUM_2:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[ADD_2:%.*]], [[FOR_INNER]] ]
|
|
; CHECK-NEXT: [[J_3:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[INC_3:%.*]], [[FOR_INNER]] ]
|
|
; CHECK-NEXT: [[SUM_3:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[ADD_3:%.*]], [[FOR_INNER]] ]
|
|
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i32 [[J]]
|
|
; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[ARRAYIDX]], align 4
|
|
; CHECK-NEXT: [[SUB:%.*]] = add i32 [[SUM]], 10
|
|
; CHECK-NEXT: [[ADD]] = sub i32 [[SUB]], [[TMP0]]
|
|
; CHECK-NEXT: [[INC]] = add nuw i32 [[J]], 1
|
|
; CHECK-NEXT: [[ARRAYIDX_1:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[J_1]]
|
|
; CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* [[ARRAYIDX_1]], align 4
|
|
; CHECK-NEXT: [[SUB_1:%.*]] = add i32 [[SUM_1]], 10
|
|
; CHECK-NEXT: [[ADD_1]] = sub i32 [[SUB_1]], [[TMP1]]
|
|
; CHECK-NEXT: [[INC_1]] = add nuw i32 [[J_1]], 1
|
|
; CHECK-NEXT: [[ARRAYIDX_2:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[J_2]]
|
|
; CHECK-NEXT: [[TMP2:%.*]] = load i32, i32* [[ARRAYIDX_2]], align 4
|
|
; CHECK-NEXT: [[SUB_2:%.*]] = add i32 [[SUM_2]], 10
|
|
; CHECK-NEXT: [[ADD_2]] = sub i32 [[SUB_2]], [[TMP2]]
|
|
; CHECK-NEXT: [[INC_2]] = add nuw i32 [[J_2]], 1
|
|
; CHECK-NEXT: [[ARRAYIDX_3:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[J_3]]
|
|
; CHECK-NEXT: [[TMP3:%.*]] = load i32, i32* [[ARRAYIDX_3]], align 4
|
|
; CHECK-NEXT: [[SUB_3:%.*]] = add i32 [[SUM_3]], 10
|
|
; CHECK-NEXT: [[ADD_3]] = sub i32 [[SUB_3]], [[TMP3]]
|
|
; CHECK-NEXT: [[INC_3]] = add nuw i32 [[J_3]], 1
|
|
; CHECK-NEXT: [[EXITCOND_3:%.*]] = icmp eq i32 [[INC_3]], [[ARGJ]]
|
|
; CHECK-NEXT: br i1 [[EXITCOND_3]], label [[FOR_LATCH:%.*]], label [[FOR_INNER]]
|
|
; CHECK: for.latch:
|
|
; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i32 [ [[ADD]], [[FOR_INNER]] ]
|
|
; CHECK-NEXT: [[ADD_LCSSA_1:%.*]] = phi i32 [ [[ADD_1]], [[FOR_INNER]] ]
|
|
; CHECK-NEXT: [[ADD_LCSSA_2:%.*]] = phi i32 [ [[ADD_2]], [[FOR_INNER]] ]
|
|
; CHECK-NEXT: [[ADD_LCSSA_3:%.*]] = phi i32 [ [[ADD_3]], [[FOR_INNER]] ]
|
|
; CHECK-NEXT: store i32 [[ADD_LCSSA]], i32* [[A:%.*]], align 4
|
|
; CHECK-NEXT: [[ARRAYIDX6_1:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 1
|
|
; CHECK-NEXT: store i32 [[ADD_LCSSA_1]], i32* [[ARRAYIDX6_1]], align 4
|
|
; CHECK-NEXT: [[ARRAYIDX6_2:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 2
|
|
; CHECK-NEXT: store i32 [[ADD_LCSSA_2]], i32* [[ARRAYIDX6_2]], align 4
|
|
; CHECK-NEXT: [[ARRAYIDX6_3:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 3
|
|
; CHECK-NEXT: store i32 [[ADD_LCSSA_3]], i32* [[ARRAYIDX6_3]], align 4
|
|
; CHECK-NEXT: br label [[FOR_END_LOOPEXIT:%.*]]
|
|
; CHECK: for.end.loopexit:
|
|
; CHECK-NEXT: br label [[FOR_END]]
|
|
; CHECK: for.end:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
entry:
|
|
%cmp = icmp eq i32 %argj, 0
|
|
br i1 %cmp, label %for.end, label %for.preheader
|
|
|
|
for.preheader:
|
|
br label %for.outer
|
|
|
|
for.outer:
|
|
%i = phi i32 [ %add8, %for.latch ], [ 0, %for.preheader ]
|
|
br label %for.inner
|
|
|
|
for.inner:
|
|
%j = phi i32 [ 0, %for.outer ], [ %inc, %for.inner ]
|
|
%sum = phi i32 [ 0, %for.outer ], [ %add, %for.inner ]
|
|
%arrayidx = getelementptr inbounds i32, i32* %B, i32 %j
|
|
%0 = load i32, i32* %arrayidx, align 4
|
|
%sub = add i32 %sum, 10
|
|
%add = sub i32 %sub, %0
|
|
%inc = add nuw i32 %j, 1
|
|
%exitcond = icmp eq i32 %inc, %argj
|
|
br i1 %exitcond, label %for.latch, label %for.inner
|
|
|
|
for.latch:
|
|
%arrayidx6 = getelementptr inbounds i32, i32* %A, i32 %i
|
|
store i32 %add, i32* %arrayidx6, align 4
|
|
%add8 = add nuw nsw i32 %i, 1
|
|
%exitcond23 = icmp eq i32 %add8, 4
|
|
br i1 %exitcond23, label %for.end, label %for.outer
|
|
|
|
for.end:
|
|
ret void
|
|
}
|