| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve.fp -verify-machineinstrs -tail-predication=enabled -o - %s | FileCheck %s |
| %struct.SpeexPreprocessState_ = type { i32, i32, half*, half* } |
| |
| define void @foo(%struct.SpeexPreprocessState_* nocapture readonly %st, i16* %x) { |
| ; CHECK-LABEL: foo: |
| ; CHECK: @ %bb.0: @ %entry |
| ; CHECK-NEXT: .save {r4, lr} |
| ; CHECK-NEXT: push {r4, lr} |
| ; CHECK-NEXT: ldrd r12, r2, [r0] |
| ; CHECK-NEXT: ldrd r4, r3, [r0, #8] |
| ; CHECK-NEXT: rsb r12, r12, r2, lsl #1 |
| ; CHECK-NEXT: dlstp.16 lr, r12 |
| ; CHECK-NEXT: .LBB0_1: @ %do.body |
| ; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1 |
| ; CHECK-NEXT: vldrh.u16 q0, [r3], #16 |
| ; CHECK-NEXT: vstrh.16 q0, [r4], #16 |
| ; CHECK-NEXT: letp lr, .LBB0_1 |
| ; CHECK-NEXT: @ %bb.2: @ %do.end |
| ; CHECK-NEXT: ldr r2, [r0] |
| ; CHECK-NEXT: ldr r0, [r0, #8] |
| ; CHECK-NEXT: vmov.i16 q0, #0x1800 |
| ; CHECK-NEXT: add.w r0, r0, r12, lsl #1 |
| ; CHECK-NEXT: dlstp.16 lr, r2 |
| ; CHECK-NEXT: .LBB0_3: @ %do.body6 |
| ; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1 |
| ; CHECK-NEXT: vldrh.u16 q1, [r1], #16 |
| ; CHECK-NEXT: vcvt.f16.s16 q1, q1 |
| ; CHECK-NEXT: vmul.f16 q1, q1, q0 |
| ; CHECK-NEXT: vstrh.16 q1, [r0], #16 |
| ; CHECK-NEXT: letp lr, .LBB0_3 |
| ; CHECK-NEXT: @ %bb.4: @ %do.end13 |
| ; CHECK-NEXT: pop {r4, pc} |
| entry: |
| %ps_size = getelementptr inbounds %struct.SpeexPreprocessState_, %struct.SpeexPreprocessState_* %st, i32 0, i32 1 |
| %0 = load i32, i32* %ps_size, align 4 |
| %mul = shl nsw i32 %0, 1 |
| %frame_size = getelementptr inbounds %struct.SpeexPreprocessState_, %struct.SpeexPreprocessState_* %st, i32 0, i32 0 |
| %1 = load i32, i32* %frame_size, align 4 |
| %sub = sub nsw i32 %mul, %1 |
| %inbuf = getelementptr inbounds %struct.SpeexPreprocessState_, %struct.SpeexPreprocessState_* %st, i32 0, i32 3 |
| %2 = load half*, half** %inbuf, align 4 |
| %frame = getelementptr inbounds %struct.SpeexPreprocessState_, %struct.SpeexPreprocessState_* %st, i32 0, i32 2 |
| %3 = load half*, half** %frame, align 4 |
| br label %do.body |
| |
| do.body: ; preds = %do.body, %entry |
| %pinbuff16.0 = phi half* [ %2, %entry ], [ %add.ptr, %do.body ] |
| %blkCnt.0 = phi i32 [ %sub, %entry ], [ %sub2, %do.body ] |
| %pframef16.0 = phi half* [ %3, %entry ], [ %add.ptr1, %do.body ] |
| %4 = tail call <8 x i1> @llvm.arm.mve.vctp16(i32 %blkCnt.0) |
| %5 = bitcast half* %pinbuff16.0 to <8 x half>* |
| %6 = tail call fast <8 x half> @llvm.masked.load.v8f16.p0v8f16(<8 x half>* %5, i32 2, <8 x i1> %4, <8 x half> zeroinitializer) |
| %7 = bitcast half* %pframef16.0 to <8 x half>* |
| tail call void @llvm.masked.store.v8f16.p0v8f16(<8 x half> %6, <8 x half>* %7, i32 2, <8 x i1> %4) |
| %add.ptr = getelementptr inbounds half, half* %pinbuff16.0, i32 8 |
| %add.ptr1 = getelementptr inbounds half, half* %pframef16.0, i32 8 |
| %sub2 = add nsw i32 %blkCnt.0, -8 |
| %cmp = icmp sgt i32 %blkCnt.0, 8 |
| br i1 %cmp, label %do.body, label %do.end |
| |
| do.end: ; preds = %do.body |
| %8 = load half*, half** %frame, align 4 |
| %add.ptr4 = getelementptr inbounds half, half* %8, i32 %sub |
| %9 = load i32, i32* %frame_size, align 4 |
| br label %do.body6 |
| |
| do.body6: ; preds = %do.body6, %do.end |
| %px.0 = phi i16* [ %x, %do.end ], [ %add.ptr8, %do.body6 ] |
| %blkCnt.1 = phi i32 [ %9, %do.end ], [ %sub10, %do.body6 ] |
| %pframef16.1 = phi half* [ %add.ptr4, %do.end ], [ %add.ptr9, %do.body6 ] |
| %10 = tail call <8 x i1> @llvm.arm.mve.vctp16(i32 %blkCnt.1) |
| %11 = bitcast i16* %px.0 to <8 x i16>* |
| %12 = tail call <8 x i16> @llvm.masked.load.v8i16.p0v8i16(<8 x i16>* %11, i32 2, <8 x i1> %10, <8 x i16> zeroinitializer) |
| %13 = tail call fast <8 x half> @llvm.arm.mve.vcvt.fp.int.predicated.v8f16.v8i16.v8i1(<8 x i16> %12, i32 0, <8 x i1> %10, <8 x half> undef) |
| %14 = tail call fast <8 x half> @llvm.arm.mve.mul.predicated.v8f16.v8i1(<8 x half> %13, <8 x half> <half 0xH1800, half 0xH1800, half 0xH1800, half 0xH1800, half 0xH1800, half 0xH1800, half 0xH1800, half 0xH1800>, <8 x i1> %10, <8 x half> undef) |
| %15 = bitcast half* %pframef16.1 to <8 x half>* |
| tail call void @llvm.masked.store.v8f16.p0v8f16(<8 x half> %14, <8 x half>* %15, i32 2, <8 x i1> %10) |
| %add.ptr8 = getelementptr inbounds i16, i16* %px.0, i32 8 |
| %add.ptr9 = getelementptr inbounds half, half* %pframef16.1, i32 8 |
| %sub10 = add nsw i32 %blkCnt.1, -8 |
| %cmp12 = icmp sgt i32 %blkCnt.1, 8 |
| br i1 %cmp12, label %do.body6, label %do.end13 |
| |
| do.end13: ; preds = %do.body6 |
| ret void |
| } |
| |
| declare <8 x i1> @llvm.arm.mve.vctp16(i32) |
| |
| declare <8 x half> @llvm.masked.load.v8f16.p0v8f16(<8 x half>*, i32 immarg, <8 x i1>, <8 x half>) |
| |
| declare void @llvm.masked.store.v8f16.p0v8f16(<8 x half>, <8 x half>*, i32 immarg, <8 x i1>) |
| |
| declare <8 x i16> @llvm.masked.load.v8i16.p0v8i16(<8 x i16>*, i32 immarg, <8 x i1>, <8 x i16>) |
| |
| declare <8 x half> @llvm.arm.mve.vcvt.fp.int.predicated.v8f16.v8i16.v8i1(<8 x i16>, i32, <8 x i1>, <8 x half>) |
| |
| declare <8 x half> @llvm.arm.mve.mul.predicated.v8f16.v8i1(<8 x half>, <8 x half>, <8 x i1>, <8 x half>) |