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[LV] Make the test case for PR30183 less fragile 

This patch also renames the PR number the test points to. The previous
reference was PR29559, but that bug was somehow deleted and recreated under
PR30183.

llvm-svn: 297295
This commit is contained in:
Matthew Simpson 2017-03-08 17:03:38 +00:00
parent 903dd5aa9b
commit 8966848d17
1 changed files with 31 additions and 22 deletions
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53
llvm/test/Transforms/LoopVectorize/AArch64/first-order-recurrence.ll
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@ -283,36 +283,45 @@ for.cond.cleanup3:
br i1 %exitcond, label %for.cond.cleanup, label %for.cond1.preheader
}
; UNROLL-NO-IC-LABEL: @PR29559(
; UNROLL-NO-IC-LABEL: @PR30183(
; UNROLL-NO-IC: vector.ph:
; UNROLL-NO-IC: br label %vector.body
; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x i32> undef, i32 [[PRE_LOAD:%.*]], i32 3
; UNROLL-NO-IC-NEXT: br label %vector.body
; UNROLL-NO-IC: vector.body:
; UNROLL-NO-IC: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
; UNROLL-NO-IC: %vector.recur = phi <4 x float*> [ undef, %vector.ph ], [ %[[I4:.+]], %vector.body ]
; UNROLL-NO-IC: %[[G1:.+]] = getelementptr inbounds [3 x float], [3 x float]* undef, i64 0, i64 0
; UNROLL-NO-IC: %[[I1:.+]] = insertelement <4 x float*> undef, float* %[[G1]], i32 0
; UNROLL-NO-IC: %[[I2:.+]] = insertelement <4 x float*> %[[I1]], float* %[[G1]], i32 1
; UNROLL-NO-IC: %[[I3:.+]] = insertelement <4 x float*> %[[I2]], float* %[[G1]], i32 2
; UNROLL-NO-IC: %[[I4]] = insertelement <4 x float*> %[[I3]], float* %[[G1]], i32 3
; UNROLL-NO-IC: {{.*}} = shufflevector <4 x float*> %vector.recur, <4 x float*> %[[I4]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; UNROLL-NO-IC: {{.*}} = shufflevector <4 x float*> %[[I4]], <4 x float*> %[[I4]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; UNROLL-NO-IC: middle.block:
; UNROLL-NO-IC: %vector.recur.extract = extractelement <4 x float*> %[[I4]], i32 3
; UNROLL-NO-IC: scalar.ph:
; UNROLL-NO-IC: %scalar.recur.init = phi float* [ %vector.recur.extract, %middle.block ], [ undef, %min.iters.checked ], [ undef, %entry ]
; UNROLL-NO-IC: scalar.body:
; UNROLL-NO-IC: %scalar.recur = phi float* [ %scalar.recur.init, %scalar.ph ], [ {{.*}}, %scalar.body ]
; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ [[VECTOR_RECUR_INIT]], %vector.ph ], [ [[TMP42:%.*]], %vector.body ]
; UNROLL-NO-IC: [[TMP27:%.*]] = load i32, i32* {{.*}}
; UNROLL-NO-IC-NEXT: [[TMP28:%.*]] = load i32, i32* {{.*}}
; UNROLL-NO-IC-NEXT: [[TMP29:%.*]] = load i32, i32* {{.*}}
; UNROLL-NO-IC-NEXT: [[TMP30:%.*]] = load i32, i32* {{.*}}
; UNROLL-NO-IC-NEXT: [[TMP31:%.*]] = load i32, i32* {{.*}}
; UNROLL-NO-IC-NEXT: [[TMP32:%.*]] = load i32, i32* {{.*}}
; UNROLL-NO-IC-NEXT: [[TMP33:%.*]] = load i32, i32* {{.*}}
; UNROLL-NO-IC-NEXT: [[TMP34:%.*]] = load i32, i32* {{.*}}
; UNROLL-NO-IC-NEXT: [[TMP35:%.*]] = insertelement <4 x i32> undef, i32 [[TMP27]], i32 0
; UNROLL-NO-IC-NEXT: [[TMP36:%.*]] = insertelement <4 x i32> [[TMP35]], i32 [[TMP28]], i32 1
; UNROLL-NO-IC-NEXT: [[TMP37:%.*]] = insertelement <4 x i32> [[TMP36]], i32 [[TMP29]], i32 2
; UNROLL-NO-IC-NEXT: [[TMP38:%.*]] = insertelement <4 x i32> [[TMP37]], i32 [[TMP30]], i32 3
; UNROLL-NO-IC-NEXT: [[TMP39:%.*]] = insertelement <4 x i32> undef, i32 [[TMP31]], i32 0
; UNROLL-NO-IC-NEXT: [[TMP40:%.*]] = insertelement <4 x i32> [[TMP39]], i32 [[TMP32]], i32 1
; UNROLL-NO-IC-NEXT: [[TMP41:%.*]] = insertelement <4 x i32> [[TMP40]], i32 [[TMP33]], i32 2
; UNROLL-NO-IC-NEXT: [[TMP42]] = insertelement <4 x i32> [[TMP41]], i32 [[TMP34]], i32 3
; UNROLL-NO-IC-NEXT: [[TMP43:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP38]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; UNROLL-NO-IC-NEXT: [[TMP44:%.*]] = shufflevector <4 x i32> [[TMP38]], <4 x i32> [[TMP42]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 8
; UNROLL-NO-IC: br i1 {{.*}}, label %middle.block, label %vector.body
;
define void @PR29559() {
define void @PR30183(i32 %pre_load, i32* %a, i32* %b, i64 %n) {
entry:
br label %scalar.body
scalar.body:
%i = phi i64 [ 0, %entry ], [ %i.next, %scalar.body ]
%tmp2 = phi float* [ undef, %entry ], [ %tmp3, %scalar.body ]
%tmp3 = getelementptr inbounds [3 x float], [3 x float]* undef, i64 0, i64 0
%i.next = add nuw nsw i64 %i, 1
%cond = icmp eq i64 %i.next, undef
%tmp0 = phi i32 [ %pre_load, %entry ], [ %tmp2, %scalar.body ]
%i.next = add nuw nsw i64 %i, 2
%tmp1 = getelementptr inbounds i32, i32* %a, i64 %i.next
%tmp2 = load i32, i32* %tmp1
%cond = icmp eq i64 %i.next,%n
br i1 %cond, label %for.end, label %scalar.body
for.end: