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[LICM] auto-generate complete test checks; NFC 

llvm-svn: 359881
This commit is contained in:
Sanjay Patel 2019-05-03 13:25:06 +00:00
parent ec026532d6
commit d3cfaae243
1 changed files with 27 additions and 3 deletions
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30
llvm/test/Transforms/LICM/hoist-mustexec.ll
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@ -133,6 +133,32 @@ fail:
; pointers; should handle integers too
define i32 @test4(i32* noalias nocapture readonly %a) nounwind uwtable {
; CHECK-LABEL: @test4(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[LEN:%.*]] = load i32, i32* [[A:%.*]], align 4, !range !0
; CHECK-NEXT: [[IS_ZERO:%.*]] = icmp eq i32 [[LEN]], 0
; CHECK-NEXT: br i1 [[IS_ZERO]], label [[FAIL:%.*]], label [[PREHEADER:%.*]]
; CHECK: preheader:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[IV:%.*]] = phi i32 [ 0, [[PREHEADER]] ], [ [[INC:%.*]], [[CONTINUE:%.*]] ]
; CHECK-NEXT: [[ACC:%.*]] = phi i32 [ 0, [[PREHEADER]] ], [ [[ADD:%.*]], [[CONTINUE]] ]
; CHECK-NEXT: [[R_CHK:%.*]] = icmp ult i32 [[IV]], [[LEN]]
; CHECK-NEXT: br i1 [[R_CHK]], label [[CONTINUE]], label [[FAIL_LOOPEXIT:%.*]]
; CHECK: continue:
; CHECK-NEXT: [[I1:%.*]] = load i32, i32* [[A]], align 4
; CHECK-NEXT: [[ADD]] = add nsw i32 [[I1]], [[ACC]]
; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[IV]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], 1000
; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]]
; CHECK: for.cond.cleanup:
; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i32 [ [[ADD]], [[CONTINUE]] ]
; CHECK-NEXT: ret i32 [[ADD_LCSSA]]
; CHECK: fail.loopexit:
; CHECK-NEXT: br label [[FAIL]]
; CHECK: fail:
; CHECK-NEXT: call void @f()
; CHECK-NEXT: ret i32 -1
;
entry:
%len = load i32, i32* %a, align 4, !range !{i32 0, i32 512}
%is.zero = icmp eq i32 %len, 0
@ -145,8 +171,6 @@ for.body:
%r.chk = icmp ult i32 %iv, %len
br i1 %r.chk, label %continue, label %fail
continue:
; CHECK-LABEL: continue
; CHECK: %i1 = load i32, i32* %a, align 4
%i1 = load i32, i32* %a, align 4
%add = add nsw i32 %i1, %acc
%inc = add nuw nsw i32 %iv, 1
@ -221,7 +245,7 @@ define i32 @test-wrongphi(i32* noalias nocapture readonly %a) nounwind uwtable {
; CHECK-LABEL: @test-wrongphi(
entry:
br label %for.body
for.body:
%iv = phi i32 [ 0, %entry ], [ %inc, %continue ]
%acc = phi i32 [ 0, %entry ], [ %add, %continue ]