86 lines
3.2 KiB
LLVM
86 lines
3.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -aa-pipeline=basic-aa -passes='loop-distribute' -enable-loop-distribute -S %s | FileCheck %s
|
|
|
|
; Testcases inspired by PR50296, PR50288.
|
|
|
|
define void @phi_load_store_distribute(i1 %c, i16* %A, i16* %B, i16* %C) {
|
|
; CHECK-LABEL: @phi_load_store_distribute(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
|
|
; CHECK: for.body:
|
|
; CHECK-NEXT: [[IV:%.*]] = phi i16 [ 0, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[IF_END:%.*]] ]
|
|
; CHECK-NEXT: [[LV:%.*]] = load i16, i16* [[A:%.*]], align 1
|
|
; CHECK-NEXT: store i16 [[LV]], i16* [[A]], align 1
|
|
; CHECK-NEXT: br i1 [[C:%.*]], label [[IF_THEN:%.*]], label [[IF_END]]
|
|
; CHECK: if.then:
|
|
; CHECK-NEXT: [[LV2:%.*]] = load i16, i16* [[A]], align 1
|
|
; CHECK-NEXT: br label [[IF_END]]
|
|
; CHECK: if.end:
|
|
; CHECK-NEXT: [[C_SINK:%.*]] = phi i16* [ [[B:%.*]], [[IF_THEN]] ], [ [[C:%.*]], [[FOR_BODY]] ]
|
|
; CHECK-NEXT: [[LV3:%.*]] = load i16, i16* [[C_SINK]], align 2
|
|
; CHECK-NEXT: [[ADD:%.*]] = add i16 [[LV3]], 10
|
|
; CHECK-NEXT: store i16 [[ADD]], i16* [[C_SINK]], align 1
|
|
; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i16 [[IV]], 1
|
|
; CHECK-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i16 [[IV_NEXT]], 1000
|
|
; CHECK-NEXT: br i1 [[TOBOOL_NOT]], label [[FOR_END_LOOPEXIT:%.*]], label [[FOR_BODY]]
|
|
; CHECK: for.end.loopexit:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body: ; preds = %if.end, %entry
|
|
%iv = phi i16 [ 0, %entry ], [ %iv.next, %if.end ]
|
|
%lv = load i16, i16* %A, align 1
|
|
store i16 %lv, i16* %A, align 1
|
|
br i1 %c, label %if.then, label %if.end
|
|
|
|
if.then: ; preds = %for.body
|
|
%lv2 = load i16, i16* %A, align 1
|
|
br label %if.end
|
|
|
|
if.end: ; preds = %if.then, %for.body
|
|
%c.sink = phi i16* [ %B, %if.then ], [ %C, %for.body ]
|
|
%lv3 = load i16, i16* %c.sink
|
|
%add = add i16 %lv3, 10
|
|
store i16 %add, i16* %c.sink, align 1
|
|
%iv.next = add nuw nsw i16 %iv, 1
|
|
%tobool.not = icmp eq i16 %iv.next, 1000
|
|
br i1 %tobool.not, label %for.end.loopexit, label %for.body
|
|
|
|
for.end.loopexit: ; preds = %if.end
|
|
ret void
|
|
}
|
|
|
|
define void @phi_load_distribute(i1 %c, i16* %A, i16* %B, i16* %C) {
|
|
; CHECK-LABEL: @phi_load_distribute(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK: for.end.loopexit:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body: ; preds = %if.end, %entry
|
|
%iv = phi i16 [ 0, %entry ], [ %iv.next, %if.end ]
|
|
%lv = load i16, i16* %A, align 1
|
|
store i16 %lv, i16* %A, align 1
|
|
br i1 %c, label %if.then, label %if.end
|
|
|
|
if.then: ; preds = %for.body
|
|
%lv2 = load i16, i16* %A, align 1
|
|
br label %if.end
|
|
|
|
if.end: ; preds = %if.then, %for.body
|
|
%c.sink = phi i16* [ %B, %if.then ], [ %C, %for.body ]
|
|
%lv3 = load i16, i16* %c.sink
|
|
%iv.next = add nuw nsw i16 %iv, 1
|
|
%tobool.not = icmp eq i16 %iv.next, 1000
|
|
br i1 %tobool.not, label %for.end.loopexit, label %for.body
|
|
|
|
for.end.loopexit: ; preds = %if.end
|
|
ret void
|
|
}
|
|
|
|
|