| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -passes=loop-vectorize,instsimplify -force-vector-interleave=1 -S | FileCheck %s --check-prefixes=TFNONE |
| ; RUN: opt < %s -passes=loop-vectorize,instsimplify -force-vector-interleave=1 -prefer-predicate-over-epilogue=predicate-dont-vectorize -S | FileCheck %s --check-prefixes=TFALWAYS |
| ; RUN: opt < %s -passes=loop-vectorize,instsimplify -force-vector-interleave=1 -prefer-predicate-over-epilogue=predicate-else-scalar-epilogue -S | FileCheck %s --check-prefixes=TFFALLBACK |
| |
| target triple = "aarch64-unknown-linux-gnu" |
| |
| ; A call whose argument must be widened. We check that tail folding uses the |
| ; primary mask, and that without tail folding we synthesize an all-true mask. |
| define void @test_widen(ptr noalias %a, ptr readnone %b) #4 { |
| ; TFNONE-LABEL: @test_widen( |
| ; TFNONE-NEXT: entry: |
| ; TFNONE-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; TFNONE: vector.ph: |
| ; TFNONE-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; TFNONE: vector.body: |
| ; TFNONE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; TFNONE-NEXT: [[TMP0:%.*]] = getelementptr i64, ptr [[B:%.*]], i64 [[INDEX]] |
| ; TFNONE-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, ptr [[TMP0]], align 4 |
| ; TFNONE-NEXT: [[TMP2:%.*]] = extractelement <2 x i64> [[WIDE_LOAD]], i32 0 |
| ; TFNONE-NEXT: [[TMP3:%.*]] = call i64 @foo(i64 [[TMP2]]) #[[ATTR2:[0-9]+]] |
| ; TFNONE-NEXT: [[TMP4:%.*]] = extractelement <2 x i64> [[WIDE_LOAD]], i32 1 |
| ; TFNONE-NEXT: [[TMP5:%.*]] = call i64 @foo(i64 [[TMP4]]) #[[ATTR2]] |
| ; TFNONE-NEXT: [[TMP6:%.*]] = insertelement <2 x i64> poison, i64 [[TMP3]], i32 0 |
| ; TFNONE-NEXT: [[TMP7:%.*]] = insertelement <2 x i64> [[TMP6]], i64 [[TMP5]], i32 1 |
| ; TFNONE-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] |
| ; TFNONE-NEXT: store <2 x i64> [[TMP7]], ptr [[TMP8]], align 4 |
| ; TFNONE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 |
| ; TFNONE-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024 |
| ; TFNONE-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] |
| ; TFNONE: middle.block: |
| ; TFNONE-NEXT: br i1 true, label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]] |
| ; TFNONE: scalar.ph: |
| ; TFNONE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1024, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] |
| ; TFNONE-NEXT: br label [[FOR_BODY:%.*]] |
| ; TFNONE: for.body: |
| ; TFNONE-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] |
| ; TFNONE-NEXT: [[GEP:%.*]] = getelementptr i64, ptr [[B]], i64 [[INDVARS_IV]] |
| ; TFNONE-NEXT: [[LOAD:%.*]] = load i64, ptr [[GEP]], align 4 |
| ; TFNONE-NEXT: [[CALL:%.*]] = call i64 @foo(i64 [[LOAD]]) #[[ATTR2]] |
| ; TFNONE-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[INDVARS_IV]] |
| ; TFNONE-NEXT: store i64 [[CALL]], ptr [[ARRAYIDX]], align 4 |
| ; TFNONE-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; TFNONE-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1024 |
| ; TFNONE-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]] |
| ; TFNONE: for.cond.cleanup: |
| ; TFNONE-NEXT: ret void |
| ; |
| ; TFALWAYS-LABEL: @test_widen( |
| ; TFALWAYS-NEXT: entry: |
| ; TFALWAYS-NEXT: br label [[FOR_BODY:%.*]] |
| ; TFALWAYS: for.body: |
| ; TFALWAYS-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] |
| ; TFALWAYS-NEXT: [[GEP:%.*]] = getelementptr i64, ptr [[B:%.*]], i64 [[INDVARS_IV]] |
| ; TFALWAYS-NEXT: [[LOAD:%.*]] = load i64, ptr [[GEP]], align 4 |
| ; TFALWAYS-NEXT: [[CALL:%.*]] = call i64 @foo(i64 [[LOAD]]) #[[ATTR1:[0-9]+]] |
| ; TFALWAYS-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDVARS_IV]] |
| ; TFALWAYS-NEXT: store i64 [[CALL]], ptr [[ARRAYIDX]], align 4 |
| ; TFALWAYS-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; TFALWAYS-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1024 |
| ; TFALWAYS-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]] |
| ; TFALWAYS: for.cond.cleanup: |
| ; TFALWAYS-NEXT: ret void |
| ; |
| ; TFFALLBACK-LABEL: @test_widen( |
| ; TFFALLBACK-NEXT: entry: |
| ; TFFALLBACK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; TFFALLBACK: vector.ph: |
| ; TFFALLBACK-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; TFFALLBACK: vector.body: |
| ; TFFALLBACK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; TFFALLBACK-NEXT: [[TMP0:%.*]] = getelementptr i64, ptr [[B:%.*]], i64 [[INDEX]] |
| ; TFFALLBACK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, ptr [[TMP0]], align 4 |
| ; TFFALLBACK-NEXT: [[TMP2:%.*]] = extractelement <2 x i64> [[WIDE_LOAD]], i32 0 |
| ; TFFALLBACK-NEXT: [[TMP3:%.*]] = call i64 @foo(i64 [[TMP2]]) #[[ATTR2:[0-9]+]] |
| ; TFFALLBACK-NEXT: [[TMP4:%.*]] = extractelement <2 x i64> [[WIDE_LOAD]], i32 1 |
| ; TFFALLBACK-NEXT: [[TMP5:%.*]] = call i64 @foo(i64 [[TMP4]]) #[[ATTR2]] |
| ; TFFALLBACK-NEXT: [[TMP6:%.*]] = insertelement <2 x i64> poison, i64 [[TMP3]], i32 0 |
| ; TFFALLBACK-NEXT: [[TMP7:%.*]] = insertelement <2 x i64> [[TMP6]], i64 [[TMP5]], i32 1 |
| ; TFFALLBACK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] |
| ; TFFALLBACK-NEXT: store <2 x i64> [[TMP7]], ptr [[TMP8]], align 4 |
| ; TFFALLBACK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 |
| ; TFFALLBACK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024 |
| ; TFFALLBACK-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] |
| ; TFFALLBACK: middle.block: |
| ; TFFALLBACK-NEXT: br i1 true, label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]] |
| ; TFFALLBACK: scalar.ph: |
| ; TFFALLBACK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1024, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] |
| ; TFFALLBACK-NEXT: br label [[FOR_BODY:%.*]] |
| ; TFFALLBACK: for.body: |
| ; TFFALLBACK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] |
| ; TFFALLBACK-NEXT: [[GEP:%.*]] = getelementptr i64, ptr [[B]], i64 [[INDVARS_IV]] |
| ; TFFALLBACK-NEXT: [[LOAD:%.*]] = load i64, ptr [[GEP]], align 4 |
| ; TFFALLBACK-NEXT: [[CALL:%.*]] = call i64 @foo(i64 [[LOAD]]) #[[ATTR2]] |
| ; TFFALLBACK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[INDVARS_IV]] |
| ; TFFALLBACK-NEXT: store i64 [[CALL]], ptr [[ARRAYIDX]], align 4 |
| ; TFFALLBACK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; TFFALLBACK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1024 |
| ; TFFALLBACK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]] |
| ; TFFALLBACK: for.cond.cleanup: |
| ; TFFALLBACK-NEXT: ret void |
| ; |
| entry: |
| br label %for.body |
| |
| for.body: |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| %gep = getelementptr i64, ptr %b, i64 %indvars.iv |
| %load = load i64, ptr %gep |
| %call = call i64 @foo(i64 %load) #1 |
| %arrayidx = getelementptr inbounds i64, ptr %a, i64 %indvars.iv |
| store i64 %call, ptr %arrayidx |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond = icmp eq i64 %indvars.iv.next, 1024 |
| br i1 %exitcond, label %for.cond.cleanup, label %for.body |
| |
| for.cond.cleanup: |
| ret void |
| } |
| |
| ; Check that a simple conditional call can be vectorized. |
| define void @test_if_then(ptr noalias %a, ptr readnone %b) #4 { |
| ; TFNONE-LABEL: @test_if_then( |
| ; TFNONE-NEXT: entry: |
| ; TFNONE-NEXT: br label [[FOR_BODY:%.*]] |
| ; TFNONE: for.body: |
| ; TFNONE-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[IF_END:%.*]] ], [ 0, [[ENTRY:%.*]] ] |
| ; TFNONE-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDVARS_IV]] |
| ; TFNONE-NEXT: [[TMP0:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 |
| ; TFNONE-NEXT: [[CMP:%.*]] = icmp ugt i64 [[TMP0]], 50 |
| ; TFNONE-NEXT: br i1 [[CMP]], label [[IF_THEN:%.*]], label [[IF_END]] |
| ; TFNONE: if.then: |
| ; TFNONE-NEXT: [[TMP1:%.*]] = call i64 @foo(i64 [[TMP0]]) #[[ATTR2]] |
| ; TFNONE-NEXT: br label [[IF_END]] |
| ; TFNONE: if.end: |
| ; TFNONE-NEXT: [[TMP2:%.*]] = phi i64 [ [[TMP1]], [[IF_THEN]] ], [ 0, [[FOR_BODY]] ] |
| ; TFNONE-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i64, ptr [[B:%.*]], i64 [[INDVARS_IV]] |
| ; TFNONE-NEXT: store i64 [[TMP2]], ptr [[ARRAYIDX1]], align 8 |
| ; TFNONE-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; TFNONE-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1024 |
| ; TFNONE-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]] |
| ; TFNONE: for.cond.cleanup: |
| ; TFNONE-NEXT: ret void |
| ; |
| ; TFALWAYS-LABEL: @test_if_then( |
| ; TFALWAYS-NEXT: entry: |
| ; TFALWAYS-NEXT: br label [[FOR_BODY:%.*]] |
| ; TFALWAYS: for.body: |
| ; TFALWAYS-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[IF_END:%.*]] ], [ 0, [[ENTRY:%.*]] ] |
| ; TFALWAYS-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDVARS_IV]] |
| ; TFALWAYS-NEXT: [[TMP0:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 |
| ; TFALWAYS-NEXT: [[CMP:%.*]] = icmp ugt i64 [[TMP0]], 50 |
| ; TFALWAYS-NEXT: br i1 [[CMP]], label [[IF_THEN:%.*]], label [[IF_END]] |
| ; TFALWAYS: if.then: |
| ; TFALWAYS-NEXT: [[TMP1:%.*]] = call i64 @foo(i64 [[TMP0]]) #[[ATTR1]] |
| ; TFALWAYS-NEXT: br label [[IF_END]] |
| ; TFALWAYS: if.end: |
| ; TFALWAYS-NEXT: [[TMP2:%.*]] = phi i64 [ [[TMP1]], [[IF_THEN]] ], [ 0, [[FOR_BODY]] ] |
| ; TFALWAYS-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i64, ptr [[B:%.*]], i64 [[INDVARS_IV]] |
| ; TFALWAYS-NEXT: store i64 [[TMP2]], ptr [[ARRAYIDX1]], align 8 |
| ; TFALWAYS-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; TFALWAYS-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1024 |
| ; TFALWAYS-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]] |
| ; TFALWAYS: for.cond.cleanup: |
| ; TFALWAYS-NEXT: ret void |
| ; |
| ; TFFALLBACK-LABEL: @test_if_then( |
| ; TFFALLBACK-NEXT: entry: |
| ; TFFALLBACK-NEXT: br label [[FOR_BODY:%.*]] |
| ; TFFALLBACK: for.body: |
| ; TFFALLBACK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[IF_END:%.*]] ], [ 0, [[ENTRY:%.*]] ] |
| ; TFFALLBACK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDVARS_IV]] |
| ; TFFALLBACK-NEXT: [[TMP0:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 |
| ; TFFALLBACK-NEXT: [[CMP:%.*]] = icmp ugt i64 [[TMP0]], 50 |
| ; TFFALLBACK-NEXT: br i1 [[CMP]], label [[IF_THEN:%.*]], label [[IF_END]] |
| ; TFFALLBACK: if.then: |
| ; TFFALLBACK-NEXT: [[TMP1:%.*]] = call i64 @foo(i64 [[TMP0]]) #[[ATTR2]] |
| ; TFFALLBACK-NEXT: br label [[IF_END]] |
| ; TFFALLBACK: if.end: |
| ; TFFALLBACK-NEXT: [[TMP2:%.*]] = phi i64 [ [[TMP1]], [[IF_THEN]] ], [ 0, [[FOR_BODY]] ] |
| ; TFFALLBACK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i64, ptr [[B:%.*]], i64 [[INDVARS_IV]] |
| ; TFFALLBACK-NEXT: store i64 [[TMP2]], ptr [[ARRAYIDX1]], align 8 |
| ; TFFALLBACK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; TFFALLBACK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1024 |
| ; TFFALLBACK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]] |
| ; TFFALLBACK: for.cond.cleanup: |
| ; TFFALLBACK-NEXT: ret void |
| ; |
| entry: |
| br label %for.body |
| |
| for.body: |
| %indvars.iv = phi i64 [ %indvars.iv.next, %if.end ], [ 0, %entry ] |
| %arrayidx = getelementptr inbounds i64, ptr %a, i64 %indvars.iv |
| %0 = load i64, ptr %arrayidx, align 8 |
| %cmp = icmp ugt i64 %0, 50 |
| br i1 %cmp, label %if.then, label %if.end |
| |
| if.then: |
| %1 = call i64 @foo(i64 %0) #1 |
| br label %if.end |
| |
| if.end: |
| %2 = phi i64 [%1, %if.then], [0, %for.body] |
| %arrayidx1 = getelementptr inbounds i64, ptr %b, i64 %indvars.iv |
| store i64 %2, ptr %arrayidx1, align 8 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond = icmp eq i64 %indvars.iv.next, 1024 |
| br i1 %exitcond, label %for.cond.cleanup, label %for.body |
| |
| for.cond.cleanup: |
| ret void |
| } |
| |
| ; This checks the ability to handle masking of an if-then-else CFG with |
| ; calls inside the conditional blocks. Although one of the calls has a |
| ; uniform parameter and the metadata lists a uniform variant, right now |
| ; we just see a splat of the parameter instead. More work needed. |
| define void @test_widen_if_then_else(ptr noalias %a, ptr readnone %b) #4 { |
| ; TFNONE-LABEL: @test_widen_if_then_else( |
| ; TFNONE-NEXT: entry: |
| ; TFNONE-NEXT: br label [[FOR_BODY:%.*]] |
| ; TFNONE: for.body: |
| ; TFNONE-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[IF_END:%.*]] ], [ 0, [[ENTRY:%.*]] ] |
| ; TFNONE-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDVARS_IV]] |
| ; TFNONE-NEXT: [[TMP0:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 |
| ; TFNONE-NEXT: [[CMP:%.*]] = icmp ugt i64 [[TMP0]], 50 |
| ; TFNONE-NEXT: br i1 [[CMP]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]] |
| ; TFNONE: if.then: |
| ; TFNONE-NEXT: [[TMP1:%.*]] = call i64 @foo(i64 [[TMP0]]) #[[ATTR3:[0-9]+]] |
| ; TFNONE-NEXT: br label [[IF_END]] |
| ; TFNONE: if.else: |
| ; TFNONE-NEXT: [[TMP2:%.*]] = call i64 @foo(i64 0) #[[ATTR3]] |
| ; TFNONE-NEXT: br label [[IF_END]] |
| ; TFNONE: if.end: |
| ; TFNONE-NEXT: [[TMP3:%.*]] = phi i64 [ [[TMP1]], [[IF_THEN]] ], [ [[TMP2]], [[IF_ELSE]] ] |
| ; TFNONE-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i64, ptr [[B:%.*]], i64 [[INDVARS_IV]] |
| ; TFNONE-NEXT: store i64 [[TMP3]], ptr [[ARRAYIDX1]], align 8 |
| ; TFNONE-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; TFNONE-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1024 |
| ; TFNONE-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]] |
| ; TFNONE: for.cond.cleanup: |
| ; TFNONE-NEXT: ret void |
| ; |
| ; TFALWAYS-LABEL: @test_widen_if_then_else( |
| ; TFALWAYS-NEXT: entry: |
| ; TFALWAYS-NEXT: br label [[FOR_BODY:%.*]] |
| ; TFALWAYS: for.body: |
| ; TFALWAYS-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[IF_END:%.*]] ], [ 0, [[ENTRY:%.*]] ] |
| ; TFALWAYS-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDVARS_IV]] |
| ; TFALWAYS-NEXT: [[TMP0:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 |
| ; TFALWAYS-NEXT: [[CMP:%.*]] = icmp ugt i64 [[TMP0]], 50 |
| ; TFALWAYS-NEXT: br i1 [[CMP]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]] |
| ; TFALWAYS: if.then: |
| ; TFALWAYS-NEXT: [[TMP1:%.*]] = call i64 @foo(i64 [[TMP0]]) #[[ATTR2:[0-9]+]] |
| ; TFALWAYS-NEXT: br label [[IF_END]] |
| ; TFALWAYS: if.else: |
| ; TFALWAYS-NEXT: [[TMP2:%.*]] = call i64 @foo(i64 0) #[[ATTR2]] |
| ; TFALWAYS-NEXT: br label [[IF_END]] |
| ; TFALWAYS: if.end: |
| ; TFALWAYS-NEXT: [[TMP3:%.*]] = phi i64 [ [[TMP1]], [[IF_THEN]] ], [ [[TMP2]], [[IF_ELSE]] ] |
| ; TFALWAYS-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i64, ptr [[B:%.*]], i64 [[INDVARS_IV]] |
| ; TFALWAYS-NEXT: store i64 [[TMP3]], ptr [[ARRAYIDX1]], align 8 |
| ; TFALWAYS-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; TFALWAYS-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1024 |
| ; TFALWAYS-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]] |
| ; TFALWAYS: for.cond.cleanup: |
| ; TFALWAYS-NEXT: ret void |
| ; |
| ; TFFALLBACK-LABEL: @test_widen_if_then_else( |
| ; TFFALLBACK-NEXT: entry: |
| ; TFFALLBACK-NEXT: br label [[FOR_BODY:%.*]] |
| ; TFFALLBACK: for.body: |
| ; TFFALLBACK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[IF_END:%.*]] ], [ 0, [[ENTRY:%.*]] ] |
| ; TFFALLBACK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDVARS_IV]] |
| ; TFFALLBACK-NEXT: [[TMP0:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 |
| ; TFFALLBACK-NEXT: [[CMP:%.*]] = icmp ugt i64 [[TMP0]], 50 |
| ; TFFALLBACK-NEXT: br i1 [[CMP]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]] |
| ; TFFALLBACK: if.then: |
| ; TFFALLBACK-NEXT: [[TMP1:%.*]] = call i64 @foo(i64 [[TMP0]]) #[[ATTR3:[0-9]+]] |
| ; TFFALLBACK-NEXT: br label [[IF_END]] |
| ; TFFALLBACK: if.else: |
| ; TFFALLBACK-NEXT: [[TMP2:%.*]] = call i64 @foo(i64 0) #[[ATTR3]] |
| ; TFFALLBACK-NEXT: br label [[IF_END]] |
| ; TFFALLBACK: if.end: |
| ; TFFALLBACK-NEXT: [[TMP3:%.*]] = phi i64 [ [[TMP1]], [[IF_THEN]] ], [ [[TMP2]], [[IF_ELSE]] ] |
| ; TFFALLBACK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i64, ptr [[B:%.*]], i64 [[INDVARS_IV]] |
| ; TFFALLBACK-NEXT: store i64 [[TMP3]], ptr [[ARRAYIDX1]], align 8 |
| ; TFFALLBACK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; TFFALLBACK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1024 |
| ; TFFALLBACK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]] |
| ; TFFALLBACK: for.cond.cleanup: |
| ; TFFALLBACK-NEXT: ret void |
| ; |
| entry: |
| br label %for.body |
| |
| for.body: |
| %indvars.iv = phi i64 [ %indvars.iv.next, %if.end ], [ 0, %entry ] |
| %arrayidx = getelementptr inbounds i64, ptr %a, i64 %indvars.iv |
| %0 = load i64, ptr %arrayidx, align 8 |
| %cmp = icmp ugt i64 %0, 50 |
| br i1 %cmp, label %if.then, label %if.else |
| |
| if.then: |
| %1 = call i64 @foo(i64 %0) #0 |
| br label %if.end |
| |
| if.else: |
| %2 = call i64 @foo(i64 0) #0 |
| br label %if.end |
| |
| if.end: |
| %3 = phi i64 [%1, %if.then], [%2, %if.else] |
| %arrayidx1 = getelementptr inbounds i64, ptr %b, i64 %indvars.iv |
| store i64 %3, ptr %arrayidx1, align 8 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond = icmp eq i64 %indvars.iv.next, 1024 |
| br i1 %exitcond, label %for.cond.cleanup, label %for.body |
| |
| for.cond.cleanup: |
| ret void |
| } |
| |
| ; A call whose argument must be widened, where the vector variant does not have |
| ; a mask. Forcing tail folding results in no vectorized call, whereas an |
| ; unpredicated body with scalar tail can use the unmasked variant. |
| define void @test_widen_nomask(ptr noalias %a, ptr readnone %b) #4 { |
| ; TFNONE-LABEL: @test_widen_nomask( |
| ; TFNONE-NEXT: entry: |
| ; TFNONE-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() |
| ; TFNONE-NEXT: [[TMP1:%.*]] = mul i64 [[TMP0]], 2 |
| ; TFNONE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 1024, [[TMP1]] |
| ; TFNONE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; TFNONE: vector.ph: |
| ; TFNONE-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() |
| ; TFNONE-NEXT: [[TMP3:%.*]] = mul i64 [[TMP2]], 2 |
| ; TFNONE-NEXT: [[N_MOD_VF:%.*]] = urem i64 1024, [[TMP3]] |
| ; TFNONE-NEXT: [[N_VEC:%.*]] = sub i64 1024, [[N_MOD_VF]] |
| ; TFNONE-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; TFNONE: vector.body: |
| ; TFNONE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; TFNONE-NEXT: [[TMP4:%.*]] = getelementptr i64, ptr [[B:%.*]], i64 [[INDEX]] |
| ; TFNONE-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 2 x i64>, ptr [[TMP4]], align 4 |
| ; TFNONE-NEXT: [[TMP6:%.*]] = call <vscale x 2 x i64> @foo_vector_nomask(<vscale x 2 x i64> [[WIDE_LOAD]]) |
| ; TFNONE-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] |
| ; TFNONE-NEXT: store <vscale x 2 x i64> [[TMP6]], ptr [[TMP7]], align 4 |
| ; TFNONE-NEXT: [[TMP9:%.*]] = call i64 @llvm.vscale.i64() |
| ; TFNONE-NEXT: [[TMP10:%.*]] = mul i64 [[TMP9]], 2 |
| ; TFNONE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP10]] |
| ; TFNONE-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] |
| ; TFNONE-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]] |
| ; TFNONE: middle.block: |
| ; TFNONE-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, [[N_VEC]] |
| ; TFNONE-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]] |
| ; TFNONE: scalar.ph: |
| ; TFNONE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] |
| ; TFNONE-NEXT: br label [[FOR_BODY:%.*]] |
| ; TFNONE: for.body: |
| ; TFNONE-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] |
| ; TFNONE-NEXT: [[GEP:%.*]] = getelementptr i64, ptr [[B]], i64 [[INDVARS_IV]] |
| ; TFNONE-NEXT: [[LOAD:%.*]] = load i64, ptr [[GEP]], align 4 |
| ; TFNONE-NEXT: [[CALL:%.*]] = call i64 @foo(i64 [[LOAD]]) #[[ATTR4:[0-9]+]] |
| ; TFNONE-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[INDVARS_IV]] |
| ; TFNONE-NEXT: store i64 [[CALL]], ptr [[ARRAYIDX]], align 4 |
| ; TFNONE-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; TFNONE-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1024 |
| ; TFNONE-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]] |
| ; TFNONE: for.cond.cleanup: |
| ; TFNONE-NEXT: ret void |
| ; |
| ; TFALWAYS-LABEL: @test_widen_nomask( |
| ; TFALWAYS-NEXT: entry: |
| ; TFALWAYS-NEXT: br label [[FOR_BODY:%.*]] |
| ; TFALWAYS: for.body: |
| ; TFALWAYS-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] |
| ; TFALWAYS-NEXT: [[GEP:%.*]] = getelementptr i64, ptr [[B:%.*]], i64 [[INDVARS_IV]] |
| ; TFALWAYS-NEXT: [[LOAD:%.*]] = load i64, ptr [[GEP]], align 4 |
| ; TFALWAYS-NEXT: [[CALL:%.*]] = call i64 @foo(i64 [[LOAD]]) #[[ATTR3:[0-9]+]] |
| ; TFALWAYS-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDVARS_IV]] |
| ; TFALWAYS-NEXT: store i64 [[CALL]], ptr [[ARRAYIDX]], align 4 |
| ; TFALWAYS-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; TFALWAYS-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1024 |
| ; TFALWAYS-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]] |
| ; TFALWAYS: for.cond.cleanup: |
| ; TFALWAYS-NEXT: ret void |
| ; |
| ; TFFALLBACK-LABEL: @test_widen_nomask( |
| ; TFFALLBACK-NEXT: entry: |
| ; TFFALLBACK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() |
| ; TFFALLBACK-NEXT: [[TMP1:%.*]] = mul i64 [[TMP0]], 2 |
| ; TFFALLBACK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 1024, [[TMP1]] |
| ; TFFALLBACK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; TFFALLBACK: vector.ph: |
| ; TFFALLBACK-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() |
| ; TFFALLBACK-NEXT: [[TMP3:%.*]] = mul i64 [[TMP2]], 2 |
| ; TFFALLBACK-NEXT: [[N_MOD_VF:%.*]] = urem i64 1024, [[TMP3]] |
| ; TFFALLBACK-NEXT: [[N_VEC:%.*]] = sub i64 1024, [[N_MOD_VF]] |
| ; TFFALLBACK-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; TFFALLBACK: vector.body: |
| ; TFFALLBACK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; TFFALLBACK-NEXT: [[TMP4:%.*]] = getelementptr i64, ptr [[B:%.*]], i64 [[INDEX]] |
| ; TFFALLBACK-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 2 x i64>, ptr [[TMP4]], align 4 |
| ; TFFALLBACK-NEXT: [[TMP6:%.*]] = call <vscale x 2 x i64> @foo_vector_nomask(<vscale x 2 x i64> [[WIDE_LOAD]]) |
| ; TFFALLBACK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] |
| ; TFFALLBACK-NEXT: store <vscale x 2 x i64> [[TMP6]], ptr [[TMP7]], align 4 |
| ; TFFALLBACK-NEXT: [[TMP9:%.*]] = call i64 @llvm.vscale.i64() |
| ; TFFALLBACK-NEXT: [[TMP10:%.*]] = mul i64 [[TMP9]], 2 |
| ; TFFALLBACK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP10]] |
| ; TFFALLBACK-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] |
| ; TFFALLBACK-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]] |
| ; TFFALLBACK: middle.block: |
| ; TFFALLBACK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, [[N_VEC]] |
| ; TFFALLBACK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]] |
| ; TFFALLBACK: scalar.ph: |
| ; TFFALLBACK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] |
| ; TFFALLBACK-NEXT: br label [[FOR_BODY:%.*]] |
| ; TFFALLBACK: for.body: |
| ; TFFALLBACK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] |
| ; TFFALLBACK-NEXT: [[GEP:%.*]] = getelementptr i64, ptr [[B]], i64 [[INDVARS_IV]] |
| ; TFFALLBACK-NEXT: [[LOAD:%.*]] = load i64, ptr [[GEP]], align 4 |
| ; TFFALLBACK-NEXT: [[CALL:%.*]] = call i64 @foo(i64 [[LOAD]]) #[[ATTR4:[0-9]+]] |
| ; TFFALLBACK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[INDVARS_IV]] |
| ; TFFALLBACK-NEXT: store i64 [[CALL]], ptr [[ARRAYIDX]], align 4 |
| ; TFFALLBACK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; TFFALLBACK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1024 |
| ; TFFALLBACK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]] |
| ; TFFALLBACK: for.cond.cleanup: |
| ; TFFALLBACK-NEXT: ret void |
| ; |
| entry: |
| br label %for.body |
| |
| for.body: |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| %gep = getelementptr i64, ptr %b, i64 %indvars.iv |
| %load = load i64, ptr %gep |
| %call = call i64 @foo(i64 %load) #2 |
| %arrayidx = getelementptr inbounds i64, ptr %a, i64 %indvars.iv |
| store i64 %call, ptr %arrayidx |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond = icmp eq i64 %indvars.iv.next, 1024 |
| br i1 %exitcond, label %for.cond.cleanup, label %for.body |
| |
| for.cond.cleanup: |
| ret void |
| } |
| |
| ; If both masked and unmasked options are present, we expect to see tail folding |
| ; use the masked version and unpredicated body with scalar tail use the unmasked |
| ; version. |
| define void @test_widen_optmask(ptr noalias %a, ptr readnone %b) #4 { |
| ; TFNONE-LABEL: @test_widen_optmask( |
| ; TFNONE-NEXT: entry: |
| ; TFNONE-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() |
| ; TFNONE-NEXT: [[TMP1:%.*]] = mul i64 [[TMP0]], 2 |
| ; TFNONE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 1024, [[TMP1]] |
| ; TFNONE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; TFNONE: vector.ph: |
| ; TFNONE-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() |
| ; TFNONE-NEXT: [[TMP3:%.*]] = mul i64 [[TMP2]], 2 |
| ; TFNONE-NEXT: [[N_MOD_VF:%.*]] = urem i64 1024, [[TMP3]] |
| ; TFNONE-NEXT: [[N_VEC:%.*]] = sub i64 1024, [[N_MOD_VF]] |
| ; TFNONE-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; TFNONE: vector.body: |
| ; TFNONE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; TFNONE-NEXT: [[TMP4:%.*]] = getelementptr i64, ptr [[B:%.*]], i64 [[INDEX]] |
| ; TFNONE-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 2 x i64>, ptr [[TMP4]], align 4 |
| ; TFNONE-NEXT: [[TMP6:%.*]] = call <vscale x 2 x i64> @foo_vector_nomask(<vscale x 2 x i64> [[WIDE_LOAD]]) |
| ; TFNONE-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] |
| ; TFNONE-NEXT: store <vscale x 2 x i64> [[TMP6]], ptr [[TMP7]], align 4 |
| ; TFNONE-NEXT: [[TMP9:%.*]] = call i64 @llvm.vscale.i64() |
| ; TFNONE-NEXT: [[TMP10:%.*]] = mul i64 [[TMP9]], 2 |
| ; TFNONE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP10]] |
| ; TFNONE-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] |
| ; TFNONE-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] |
| ; TFNONE: middle.block: |
| ; TFNONE-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, [[N_VEC]] |
| ; TFNONE-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]] |
| ; TFNONE: scalar.ph: |
| ; TFNONE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] |
| ; TFNONE-NEXT: br label [[FOR_BODY:%.*]] |
| ; TFNONE: for.body: |
| ; TFNONE-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] |
| ; TFNONE-NEXT: [[GEP:%.*]] = getelementptr i64, ptr [[B]], i64 [[INDVARS_IV]] |
| ; TFNONE-NEXT: [[LOAD:%.*]] = load i64, ptr [[GEP]], align 4 |
| ; TFNONE-NEXT: [[CALL:%.*]] = call i64 @foo(i64 [[LOAD]]) #[[ATTR5:[0-9]+]] |
| ; TFNONE-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[INDVARS_IV]] |
| ; TFNONE-NEXT: store i64 [[CALL]], ptr [[ARRAYIDX]], align 4 |
| ; TFNONE-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; TFNONE-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1024 |
| ; TFNONE-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]] |
| ; TFNONE: for.cond.cleanup: |
| ; TFNONE-NEXT: ret void |
| ; |
| ; TFALWAYS-LABEL: @test_widen_optmask( |
| ; TFALWAYS-NEXT: entry: |
| ; TFALWAYS-NEXT: br label [[FOR_BODY:%.*]] |
| ; TFALWAYS: for.body: |
| ; TFALWAYS-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] |
| ; TFALWAYS-NEXT: [[GEP:%.*]] = getelementptr i64, ptr [[B:%.*]], i64 [[INDVARS_IV]] |
| ; TFALWAYS-NEXT: [[LOAD:%.*]] = load i64, ptr [[GEP]], align 4 |
| ; TFALWAYS-NEXT: [[CALL:%.*]] = call i64 @foo(i64 [[LOAD]]) #[[ATTR4:[0-9]+]] |
| ; TFALWAYS-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDVARS_IV]] |
| ; TFALWAYS-NEXT: store i64 [[CALL]], ptr [[ARRAYIDX]], align 4 |
| ; TFALWAYS-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; TFALWAYS-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1024 |
| ; TFALWAYS-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]] |
| ; TFALWAYS: for.cond.cleanup: |
| ; TFALWAYS-NEXT: ret void |
| ; |
| ; TFFALLBACK-LABEL: @test_widen_optmask( |
| ; TFFALLBACK-NEXT: entry: |
| ; TFFALLBACK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() |
| ; TFFALLBACK-NEXT: [[TMP1:%.*]] = mul i64 [[TMP0]], 2 |
| ; TFFALLBACK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 1024, [[TMP1]] |
| ; TFFALLBACK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; TFFALLBACK: vector.ph: |
| ; TFFALLBACK-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() |
| ; TFFALLBACK-NEXT: [[TMP3:%.*]] = mul i64 [[TMP2]], 2 |
| ; TFFALLBACK-NEXT: [[N_MOD_VF:%.*]] = urem i64 1024, [[TMP3]] |
| ; TFFALLBACK-NEXT: [[N_VEC:%.*]] = sub i64 1024, [[N_MOD_VF]] |
| ; TFFALLBACK-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; TFFALLBACK: vector.body: |
| ; TFFALLBACK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; TFFALLBACK-NEXT: [[TMP4:%.*]] = getelementptr i64, ptr [[B:%.*]], i64 [[INDEX]] |
| ; TFFALLBACK-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 2 x i64>, ptr [[TMP4]], align 4 |
| ; TFFALLBACK-NEXT: [[TMP6:%.*]] = call <vscale x 2 x i64> @foo_vector_nomask(<vscale x 2 x i64> [[WIDE_LOAD]]) |
| ; TFFALLBACK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] |
| ; TFFALLBACK-NEXT: store <vscale x 2 x i64> [[TMP6]], ptr [[TMP7]], align 4 |
| ; TFFALLBACK-NEXT: [[TMP9:%.*]] = call i64 @llvm.vscale.i64() |
| ; TFFALLBACK-NEXT: [[TMP10:%.*]] = mul i64 [[TMP9]], 2 |
| ; TFFALLBACK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP10]] |
| ; TFFALLBACK-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] |
| ; TFFALLBACK-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] |
| ; TFFALLBACK: middle.block: |
| ; TFFALLBACK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, [[N_VEC]] |
| ; TFFALLBACK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]] |
| ; TFFALLBACK: scalar.ph: |
| ; TFFALLBACK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] |
| ; TFFALLBACK-NEXT: br label [[FOR_BODY:%.*]] |
| ; TFFALLBACK: for.body: |
| ; TFFALLBACK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] |
| ; TFFALLBACK-NEXT: [[GEP:%.*]] = getelementptr i64, ptr [[B]], i64 [[INDVARS_IV]] |
| ; TFFALLBACK-NEXT: [[LOAD:%.*]] = load i64, ptr [[GEP]], align 4 |
| ; TFFALLBACK-NEXT: [[CALL:%.*]] = call i64 @foo(i64 [[LOAD]]) #[[ATTR5:[0-9]+]] |
| ; TFFALLBACK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[INDVARS_IV]] |
| ; TFFALLBACK-NEXT: store i64 [[CALL]], ptr [[ARRAYIDX]], align 4 |
| ; TFFALLBACK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; TFFALLBACK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1024 |
| ; TFFALLBACK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]] |
| ; TFFALLBACK: for.cond.cleanup: |
| ; TFFALLBACK-NEXT: ret void |
| ; |
| entry: |
| br label %for.body |
| |
| for.body: |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| %gep = getelementptr i64, ptr %b, i64 %indvars.iv |
| %load = load i64, ptr %gep |
| %call = call i64 @foo(i64 %load) #3 |
| %arrayidx = getelementptr inbounds i64, ptr %a, i64 %indvars.iv |
| store i64 %call, ptr %arrayidx |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond = icmp eq i64 %indvars.iv.next, 1024 |
| br i1 %exitcond, label %for.cond.cleanup, label %for.body |
| |
| for.cond.cleanup: |
| ret void |
| } |
| |
| declare i64 @foo(i64) |
| |
| ; vector variants of foo |
| declare <vscale x 2 x i64> @foo_uniform(i64, <vscale x 2 x i1>) |
| declare <vscale x 2 x i64> @foo_vector(<vscale x 2 x i64>, <vscale x 2 x i1>) |
| declare <vscale x 2 x i64> @foo_vector_nomask(<vscale x 2 x i64>) |
| |
| attributes #0 = { nounwind "vector-function-abi-variant"="_ZGV_LLVM_Mxv_foo(foo_vector),_ZGV_LLVM_Mxu_foo(foo_uniform)" } |
| attributes #1 = { nounwind "vector-function-abi-variant"="_ZGV_LLVM_Mxv_foo(foo_vector)" } |
| attributes #2 = { nounwind "vector-function-abi-variant"="_ZGV_LLVM_Nxv_foo(foo_vector_nomask)" } |
| attributes #3 = { nounwind "vector-function-abi-variant"="_ZGV_LLVM_Nxv_foo(foo_vector_nomask),_ZGV_LLVM_Mxv_foo(foo_vector)" } |
| attributes #4 = { "target-features"="+sve" vscale_range(2,16) "no-trapping-math"="false" } |
