| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --version 5 |
| ; RUN: opt -passes=loop-vectorize -force-vector-width=8 -S %s | FileCheck %s |
| |
| @postscale = external constant [64 x float] |
| |
| define void @test(ptr %data) { |
| ; CHECK-LABEL: define void @test( |
| ; CHECK-SAME: ptr [[DATA:%.*]]) { |
| ; CHECK-NEXT: [[ENTRY:.*]]: |
| ; CHECK-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] |
| ; CHECK: [[VECTOR_PH]]: |
| ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] |
| ; CHECK: [[VECTOR_BODY]]: |
| ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <8 x float>, ptr getelementptr inbounds nuw (i8, ptr @postscale, i64 4), align 4, !tbaa [[TBAA0:![0-9]+]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = call <8 x i64> @llvm.lrint.v8i64.v8f32(<8 x float> [[WIDE_LOAD]]) |
| ; CHECK-NEXT: [[TMP3:%.*]] = trunc <8 x i64> [[TMP2]] to <8 x i16> |
| ; CHECK-NEXT: [[TMP4:%.*]] = extractelement <8 x i16> [[TMP3]], i32 7 |
| ; CHECK-NEXT: store i16 [[TMP4]], ptr [[DATA]], align 2, !tbaa [[TBAA4:![0-9]+]] |
| ; CHECK-NEXT: br label %[[MIDDLE_BLOCK:.*]] |
| ; CHECK: [[MIDDLE_BLOCK]]: |
| ; CHECK-NEXT: br label %[[END:.*]] |
| ; CHECK: [[SCALAR_PH]]: |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 0, %[[ENTRY]] ] |
| ; CHECK-NEXT: br label %[[LOOP:.*]] |
| ; CHECK: [[LOOP]]: |
| ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ] |
| ; CHECK-NEXT: [[OR_IV_1:%.*]] = or disjoint i64 [[IV]], 1 |
| ; CHECK-NEXT: [[GEP_POSTSCALE:%.*]] = getelementptr [64 x float], ptr @postscale, i64 0, i64 [[OR_IV_1]] |
| ; CHECK-NEXT: [[LOAD_POSTSCALE:%.*]] = load float, ptr [[GEP_POSTSCALE]], align 4, !tbaa [[TBAA0]] |
| ; CHECK-NEXT: [[LRINT:%.*]] = tail call i64 @llvm.lrint.i64.f32(float [[LOAD_POSTSCALE]]) |
| ; CHECK-NEXT: [[LRINT_TRUNC:%.*]] = trunc i64 [[LRINT]] to i16 |
| ; CHECK-NEXT: store i16 [[LRINT_TRUNC]], ptr [[DATA]], align 2, !tbaa [[TBAA4]] |
| ; CHECK-NEXT: [[IV_NEXT]] = add i64 [[IV]], 1 |
| ; CHECK-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], 8 |
| ; CHECK-NEXT: br i1 [[EXIT_COND]], label %[[END]], label %[[LOOP]], !llvm.loop [[LOOP6:![0-9]+]] |
| ; CHECK: [[END]]: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| br label %loop |
| |
| loop: ; preds = %loop, %entry |
| %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] |
| %or.iv.1 = or disjoint i64 %iv, 1 |
| %gep.postscale = getelementptr [64 x float], ptr @postscale, i64 0, i64 %or.iv.1 |
| %load.postscale = load float, ptr %gep.postscale, align 4, !tbaa !0 |
| %lrint = tail call i64 @llvm.lrint.i64.f32(float %load.postscale) |
| %lrint.trunc = trunc i64 %lrint to i16 |
| store i16 %lrint.trunc, ptr %data, align 2, !tbaa !4 |
| %iv.next = add i64 %iv, 1 |
| %exit.cond = icmp eq i64 %iv.next, 8 |
| br i1 %exit.cond, label %end, label %loop |
| |
| end: ; preds = %loop |
| ret void |
| } |
| |
| !0 = !{!1, !1, i64 0} |
| !1 = !{!"float", !2, i64 0} |
| !2 = !{!"omnipotent char", !3, i64 0} |
| !3 = !{!"Simple C/C++ TBAA"} |
| !4 = !{!5, !5, i64 0} |
| !5 = !{!"short", !2, i64 0} |
