98 lines
4.2 KiB
LLVM
98 lines
4.2 KiB
LLVM
; RUN: opt -loop-unroll-and-jam -allow-unroll-and-jam -verify-loop-info < %s -S | FileCheck %s
|
|
; RUN: opt -passes='loop(loop-unroll-and-jam),verify<loops>' -allow-unroll-and-jam < %s -S | FileCheck %s
|
|
|
|
; Check that the newly created loops to not fail to be added to LI
|
|
; This test deliberately disables UnJ on the middle loop, performing it instead on the
|
|
; outer of 3 nested loops. The (new) inner loops need to be added to LI.
|
|
|
|
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
define i32 @test() {
|
|
; CHECK-LABEL: test
|
|
; CHECK: for.cond17.preheader:
|
|
; CHECK: br label %for.cond20.preheader
|
|
; CHECK: for.cond20.preheader:
|
|
; CHECK: br label %for.cond23.preheader
|
|
; CHECK: for.cond23.preheader:
|
|
; CHECK: br label %for.body25
|
|
; CHECK: for.body25:
|
|
; CHECK: br i1 [[CMP24:%.*]], label %for.body25, label %for.inc45
|
|
; CHECK: for.inc45:
|
|
; CHECK: br label %for.body25.1
|
|
; CHECK: for.inc48:
|
|
; CHECK: br i1 [[CMP18_3:%.*]], label %for.cond20.preheader, label %for.end50
|
|
; CHECK: for.end50:
|
|
; CHECK: ret i32 0
|
|
; CHECK: for.body25.1:
|
|
; CHECK: br i1 [[CMP24_1:%.*]], label %for.body25.1, label %for.inc45.1
|
|
; CHECK: for.inc45.1:
|
|
; CHECK: br label %for.body25.2
|
|
; CHECK: for.body25.2:
|
|
; CHECK: br i1 [[CMP24_2:%.*]], label %for.body25.2, label %for.inc45.2
|
|
; CHECK: for.inc45.2:
|
|
; CHECK: br label %for.body25.3
|
|
; CHECK: for.body25.3:
|
|
; CHECK: br i1 [[CMP24_3:%.*]], label %for.body25.3, label %for.inc45.3
|
|
; CHECK: for.inc45.3:
|
|
; CHECK: br i1 [[CMP21_3:%.*]], label %for.cond23.preheader, label %for.inc48
|
|
;
|
|
entry:
|
|
%A = alloca [8 x [8 x i32]], align 16
|
|
%B = alloca [8 x [8 x i32]], align 16
|
|
%C = alloca [8 x [8 x i32]], align 16
|
|
br label %for.cond17.preheader
|
|
|
|
for.cond17.preheader: ; preds = %for.inc14
|
|
br label %for.cond20.preheader
|
|
|
|
for.cond20.preheader: ; preds = %for.cond17.preheader, %for.inc48
|
|
%i.13 = phi i32 [ 0, %for.cond17.preheader ], [ %inc49, %for.inc48 ]
|
|
br label %for.cond23.preheader
|
|
|
|
for.cond23.preheader: ; preds = %for.cond20.preheader, %for.inc45
|
|
%j.12 = phi i32 [ 0, %for.cond20.preheader ], [ %inc46, %for.inc45 ]
|
|
br label %for.body25
|
|
|
|
for.body25: ; preds = %for.cond23.preheader, %for.body25
|
|
%k.01 = phi i32 [ 0, %for.cond23.preheader ], [ %inc43, %for.body25 ]
|
|
%idxprom26 = zext i32 %i.13 to i64
|
|
%idxprom28 = zext i32 %j.12 to i64
|
|
%arrayidx29 = getelementptr inbounds [8 x [8 x i32]], [8 x [8 x i32]]* %C, i64 0, i64 %idxprom26, i64 %idxprom28
|
|
%0 = load i32, i32* %arrayidx29, align 4
|
|
%idxprom30 = zext i32 %i.13 to i64
|
|
%idxprom32 = zext i32 %k.01 to i64
|
|
%arrayidx33 = getelementptr inbounds [8 x [8 x i32]], [8 x [8 x i32]]* %A, i64 0, i64 %idxprom30, i64 %idxprom32
|
|
%1 = load i32, i32* %arrayidx33, align 4
|
|
%idxprom34 = zext i32 %k.01 to i64
|
|
%idxprom36 = zext i32 %j.12 to i64
|
|
%arrayidx37 = getelementptr inbounds [8 x [8 x i32]], [8 x [8 x i32]]* %B, i64 0, i64 %idxprom34, i64 %idxprom36
|
|
%2 = load i32, i32* %arrayidx37, align 4
|
|
%mul = mul nsw i32 %1, %2
|
|
%add = add nsw i32 %0, %mul
|
|
%idxprom38 = zext i32 %i.13 to i64
|
|
%idxprom40 = zext i32 %j.12 to i64
|
|
%arrayidx41 = getelementptr inbounds [8 x [8 x i32]], [8 x [8 x i32]]* %C, i64 0, i64 %idxprom38, i64 %idxprom40
|
|
store i32 %add, i32* %arrayidx41, align 4
|
|
%inc43 = add nuw nsw i32 %k.01, 1
|
|
%cmp24 = icmp ult i32 %k.01, 7
|
|
br i1 %cmp24, label %for.body25, label %for.inc45
|
|
|
|
for.inc45: ; preds = %for.body25
|
|
%inc46 = add nuw nsw i32 %j.12, 1
|
|
%cmp21 = icmp ult i32 %j.12, 7
|
|
br i1 %cmp21, label %for.cond23.preheader, label %for.inc48, !llvm.loop !7
|
|
|
|
for.inc48: ; preds = %for.inc45
|
|
%inc49 = add nuw nsw i32 %i.13, 1
|
|
%cmp18 = icmp ult i32 %i.13, 7
|
|
br i1 %cmp18, label %for.cond20.preheader, label %for.end50, !llvm.loop !5
|
|
|
|
for.end50: ; preds = %for.inc48
|
|
ret i32 0
|
|
}
|
|
|
|
!5 = distinct !{!5, !6}
|
|
!6 = !{!"llvm.loop.unroll_and_jam.count", i32 4}
|
|
!7 = distinct !{!7, !8}
|
|
!8 = !{!"llvm.loop.unroll_and_jam.disable"}
|