diff options
Diffstat (limited to 'llvm/test/Transforms/LoopDistribute/symbolic-stride.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopDistribute/symbolic-stride.ll | 109 |
1 files changed, 99 insertions, 10 deletions
diff --git a/llvm/test/Transforms/LoopDistribute/symbolic-stride.ll b/llvm/test/Transforms/LoopDistribute/symbolic-stride.ll index 6992c88799f0..537fe3cc8d9d 100644 --- a/llvm/test/Transforms/LoopDistribute/symbolic-stride.ll +++ b/llvm/test/Transforms/LoopDistribute/symbolic-stride.ll @@ -1,8 +1,9 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -basic-aa -loop-distribute -enable-loop-distribute -S < %s | \ -; RUN: FileCheck %s --check-prefix=ALL --check-prefix=STRIDE_SPEC +; RUN: FileCheck %s --check-prefix=DEFAULT ; RUN: opt -basic-aa -loop-distribute -enable-loop-distribute -S -enable-mem-access-versioning=0 < %s | \ -; RUN: FileCheck %s --check-prefix=ALL --check-prefix=NO_STRIDE_SPEC +; RUN: FileCheck %s --check-prefix=NO-VERSION ; If we don't speculate stride for 1 we can't distribute along the line ; because we could have a backward dependence: @@ -16,19 +17,107 @@ target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-apple-macosx10.10.0" -; ALL-LABEL: @f( define void @f(i32* noalias %a, - i32* noalias %b, - i32* noalias %c, - i32* noalias %d, - i64 %stride) { +; +; +; DEFAULT-LABEL: @f( +; DEFAULT-NEXT: entry: +; DEFAULT-NEXT: br label [[FOR_BODY_LVER_CHECK:%.*]] +; DEFAULT: for.body.lver.check: +; DEFAULT-NEXT: [[IDENT_CHECK:%.*]] = icmp ne i64 [[STRIDE:%.*]], 1 +; DEFAULT-NEXT: br i1 [[IDENT_CHECK]], label [[FOR_BODY_PH_LVER_ORIG:%.*]], label [[FOR_BODY_PH_LDIST1:%.*]] +; DEFAULT: for.body.ph.lver.orig: +; DEFAULT-NEXT: br label [[FOR_BODY_LVER_ORIG:%.*]] +; DEFAULT: for.body.lver.orig: +; DEFAULT-NEXT: [[IND_LVER_ORIG:%.*]] = phi i64 [ 0, [[FOR_BODY_PH_LVER_ORIG]] ], [ [[ADD_LVER_ORIG:%.*]], [[FOR_BODY_LVER_ORIG]] ] +; DEFAULT-NEXT: [[ARRAYIDXA_LVER_ORIG:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[IND_LVER_ORIG]] +; DEFAULT-NEXT: [[LOADA_LVER_ORIG:%.*]] = load i32, i32* [[ARRAYIDXA_LVER_ORIG]], align 4 +; DEFAULT-NEXT: [[ARRAYIDXB_LVER_ORIG:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[IND_LVER_ORIG]] +; DEFAULT-NEXT: [[LOADB_LVER_ORIG:%.*]] = load i32, i32* [[ARRAYIDXB_LVER_ORIG]], align 4 +; DEFAULT-NEXT: [[MULA_LVER_ORIG:%.*]] = mul i32 [[LOADB_LVER_ORIG]], [[LOADA_LVER_ORIG]] +; DEFAULT-NEXT: [[ADD_LVER_ORIG]] = add nuw nsw i64 [[IND_LVER_ORIG]], 1 +; DEFAULT-NEXT: [[ARRAYIDXA_PLUS_4_LVER_ORIG:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[ADD_LVER_ORIG]] +; DEFAULT-NEXT: store i32 [[MULA_LVER_ORIG]], i32* [[ARRAYIDXA_PLUS_4_LVER_ORIG]], align 4 +; DEFAULT-NEXT: [[ARRAYIDXD_LVER_ORIG:%.*]] = getelementptr inbounds i32, i32* [[D:%.*]], i64 [[IND_LVER_ORIG]] +; DEFAULT-NEXT: [[LOADD_LVER_ORIG:%.*]] = load i32, i32* [[ARRAYIDXD_LVER_ORIG]], align 4 +; DEFAULT-NEXT: [[MUL_LVER_ORIG:%.*]] = mul i64 [[IND_LVER_ORIG]], [[STRIDE]] +; DEFAULT-NEXT: [[ARRAYIDXSTRIDEDA_LVER_ORIG:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[MUL_LVER_ORIG]] +; DEFAULT-NEXT: [[LOADSTRIDEDA_LVER_ORIG:%.*]] = load i32, i32* [[ARRAYIDXSTRIDEDA_LVER_ORIG]], align 4 +; DEFAULT-NEXT: [[MULC_LVER_ORIG:%.*]] = mul i32 [[LOADD_LVER_ORIG]], [[LOADSTRIDEDA_LVER_ORIG]] +; DEFAULT-NEXT: [[ARRAYIDXC_LVER_ORIG:%.*]] = getelementptr inbounds i32, i32* [[C:%.*]], i64 [[IND_LVER_ORIG]] +; DEFAULT-NEXT: store i32 [[MULC_LVER_ORIG]], i32* [[ARRAYIDXC_LVER_ORIG]], align 4 +; DEFAULT-NEXT: [[EXITCOND_LVER_ORIG:%.*]] = icmp eq i64 [[ADD_LVER_ORIG]], 20 +; DEFAULT-NEXT: br i1 [[EXITCOND_LVER_ORIG]], label [[FOR_END_LOOPEXIT:%.*]], label [[FOR_BODY_LVER_ORIG]] +; DEFAULT: for.body.ph.ldist1: +; DEFAULT-NEXT: br label [[FOR_BODY_LDIST1:%.*]] +; DEFAULT: for.body.ldist1: +; DEFAULT-NEXT: [[IND_LDIST1:%.*]] = phi i64 [ 0, [[FOR_BODY_PH_LDIST1]] ], [ [[ADD_LDIST1:%.*]], [[FOR_BODY_LDIST1]] ] +; DEFAULT-NEXT: [[ARRAYIDXA_LDIST1:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[IND_LDIST1]] +; DEFAULT-NEXT: [[LOADA_LDIST1:%.*]] = load i32, i32* [[ARRAYIDXA_LDIST1]], align 4 +; DEFAULT-NEXT: [[ARRAYIDXB_LDIST1:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[IND_LDIST1]] +; DEFAULT-NEXT: [[LOADB_LDIST1:%.*]] = load i32, i32* [[ARRAYIDXB_LDIST1]], align 4 +; DEFAULT-NEXT: [[MULA_LDIST1:%.*]] = mul i32 [[LOADB_LDIST1]], [[LOADA_LDIST1]] +; DEFAULT-NEXT: [[ADD_LDIST1]] = add nuw nsw i64 [[IND_LDIST1]], 1 +; DEFAULT-NEXT: [[ARRAYIDXA_PLUS_4_LDIST1:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[ADD_LDIST1]] +; DEFAULT-NEXT: store i32 [[MULA_LDIST1]], i32* [[ARRAYIDXA_PLUS_4_LDIST1]], align 4 +; DEFAULT-NEXT: [[EXITCOND_LDIST1:%.*]] = icmp eq i64 [[ADD_LDIST1]], 20 +; DEFAULT-NEXT: br i1 [[EXITCOND_LDIST1]], label [[FOR_BODY_PH:%.*]], label [[FOR_BODY_LDIST1]] +; DEFAULT: for.body.ph: +; DEFAULT-NEXT: br label [[FOR_BODY:%.*]] +; DEFAULT: for.body: +; DEFAULT-NEXT: [[IND:%.*]] = phi i64 [ 0, [[FOR_BODY_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ] +; DEFAULT-NEXT: [[ADD]] = add nuw nsw i64 [[IND]], 1 +; DEFAULT-NEXT: [[ARRAYIDXD:%.*]] = getelementptr inbounds i32, i32* [[D]], i64 [[IND]] +; DEFAULT-NEXT: [[LOADD:%.*]] = load i32, i32* [[ARRAYIDXD]], align 4 +; DEFAULT-NEXT: [[MUL:%.*]] = mul i64 [[IND]], [[STRIDE]] +; DEFAULT-NEXT: [[ARRAYIDXSTRIDEDA:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[MUL]] +; DEFAULT-NEXT: [[LOADSTRIDEDA:%.*]] = load i32, i32* [[ARRAYIDXSTRIDEDA]], align 4 +; DEFAULT-NEXT: [[MULC:%.*]] = mul i32 [[LOADD]], [[LOADSTRIDEDA]] +; DEFAULT-NEXT: [[ARRAYIDXC:%.*]] = getelementptr inbounds i32, i32* [[C]], i64 [[IND]] +; DEFAULT-NEXT: store i32 [[MULC]], i32* [[ARRAYIDXC]], align 4 +; DEFAULT-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[ADD]], 20 +; DEFAULT-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT1:%.*]], label [[FOR_BODY]] +; DEFAULT: for.end.loopexit: +; DEFAULT-NEXT: br label [[FOR_END:%.*]] +; DEFAULT: for.end.loopexit1: +; DEFAULT-NEXT: br label [[FOR_END]] +; DEFAULT: for.end: +; DEFAULT-NEXT: ret void +; +; NO-VERSION-LABEL: @f( +; NO-VERSION-NEXT: entry: +; NO-VERSION-NEXT: br label [[FOR_BODY:%.*]] +; NO-VERSION: for.body: +; NO-VERSION-NEXT: [[IND:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[ADD:%.*]], [[FOR_BODY]] ] +; NO-VERSION-NEXT: [[ARRAYIDXA:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[IND]] +; NO-VERSION-NEXT: [[LOADA:%.*]] = load i32, i32* [[ARRAYIDXA]], align 4 +; NO-VERSION-NEXT: [[ARRAYIDXB:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[IND]] +; NO-VERSION-NEXT: [[LOADB:%.*]] = load i32, i32* [[ARRAYIDXB]], align 4 +; NO-VERSION-NEXT: [[MULA:%.*]] = mul i32 [[LOADB]], [[LOADA]] +; NO-VERSION-NEXT: [[ADD]] = add nuw nsw i64 [[IND]], 1 +; NO-VERSION-NEXT: [[ARRAYIDXA_PLUS_4:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[ADD]] +; NO-VERSION-NEXT: store i32 [[MULA]], i32* [[ARRAYIDXA_PLUS_4]], align 4 +; NO-VERSION-NEXT: [[ARRAYIDXD:%.*]] = getelementptr inbounds i32, i32* [[D:%.*]], i64 [[IND]] +; NO-VERSION-NEXT: [[LOADD:%.*]] = load i32, i32* [[ARRAYIDXD]], align 4 +; NO-VERSION-NEXT: [[MUL:%.*]] = mul i64 [[IND]], [[STRIDE:%.*]] +; NO-VERSION-NEXT: [[ARRAYIDXSTRIDEDA:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[MUL]] +; NO-VERSION-NEXT: [[LOADSTRIDEDA:%.*]] = load i32, i32* [[ARRAYIDXSTRIDEDA]], align 4 +; NO-VERSION-NEXT: [[MULC:%.*]] = mul i32 [[LOADD]], [[LOADSTRIDEDA]] +; NO-VERSION-NEXT: [[ARRAYIDXC:%.*]] = getelementptr inbounds i32, i32* [[C:%.*]], i64 [[IND]] +; NO-VERSION-NEXT: store i32 [[MULC]], i32* [[ARRAYIDXC]], align 4 +; NO-VERSION-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[ADD]], 20 +; NO-VERSION-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]] +; NO-VERSION: for.end: +; NO-VERSION-NEXT: ret void +; + i32* noalias %b, + i32* noalias %c, + i32* noalias %d, + i64 %stride) { entry: br label %for.body -; STRIDE_SPEC: %ident.check = icmp ne i64 %stride, 1 -; STRIDE_SPEC: for.body.ldist1: -; NO_STRIDE_SPEC-NOT: for.body.ldist1: for.body: ; preds = %for.body, %entry %ind = phi i64 [ 0, %entry ], [ %add, %for.body ] |