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