4ed2b6cccd
The previous code detect if a MBB is bottom block to determine if it is a backedge of a loop. We should check latch block instead of bottom block and we should check the header and the bottom block are in the same loop. Differential Revision: https://reviews.llvm.org/D103145
211 lines
12 KiB
LLVM
211 lines
12 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+amx-int8 -mattr=+avx512f -verify-machineinstrs | FileCheck %s
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; #include <immintrin.h>
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;
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; #define TILE_SZ 16
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; void inner_product(int *A_mem, int *B_mem, int *C_mem, int M, int N, int K) {
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; const int m = M / TILE_SZ;
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; const int n = N / TILE_SZ;
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; const int k = K / TILE_SZ;
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;
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; for (int i = 0; i < m; i++)
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; for (int j = 0; j < n; j++) {
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; __tile1024i c = {TILE_SZ, TILE_SZ*sizeof(int)};
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; __tile_zero(&c);
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; for (int l = 0; l < k; l++) {
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; __tile1024i a = {TILE_SZ, TILE_SZ*sizeof(int)};
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; __tile1024i b = {TILE_SZ, TILE_SZ*sizeof(int)};
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; __tile_loadd(&a, A_mem+(i*TILE_SZ)*K+l*TILE_SZ, K*sizeof(int));
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; __tile_loadd(&b, B_mem+(l*TILE_SZ)*N+j*TILE_SZ, N*sizeof(int));
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; __tile_dpbssd(&c, a, b);
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; }
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; __tile_stored(C_mem+(i*TILE_SZ)*M+j*TILE_SZ, N*sizeof(int), c);
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; }
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; }
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; CHECK: ldtilecfg
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; Function Attrs: noinline nounwind uwtable
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define dso_local void @inner_product(i32* %A_mem, i32* %B_mem, i32* %C_mem, i32 %M, i32 %N, i32 %K) local_unnamed_addr {
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entry:
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%mul = shl i32 %K, 4
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%conv = sext i32 %K to i64
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%mul15 = shl nsw i64 %conv, 2
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%conv23 = sext i32 %N to i64
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%mul24 = shl nsw i64 %conv23, 2
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%cmp8163 = icmp sgt i32 %K, 15
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%mul25 = shl i32 %M, 4
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%cmp4173 = icmp sgt i32 %N, 15
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%cmp187 = icmp sgt i32 %M, 15
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br i1 %cmp187, label %for.cond3.preheader.preheader, label %for.cond.cleanup
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for.cond3.preheader.preheader: ; preds = %entry
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%div2 = sdiv i32 %K, 16
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%div1 = sdiv i32 %N, 16
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%div209 = lshr i32 %M, 4
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%wide.trip.count207 = zext i32 %div209 to i64
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%wide.trip.count203 = zext i32 %div1 to i64
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%wide.trip.count = zext i32 %div2 to i64
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%0 = add nsw i64 %wide.trip.count, -1
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%xtraiter = and i64 %wide.trip.count, 7
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%1 = icmp ult i64 %0, 7
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%unroll_iter = and i64 %wide.trip.count, 4294967288
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%lcmp.mod.not = icmp eq i64 %xtraiter, 0
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br label %for.cond3.preheader
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for.cond3.preheader: ; preds = %for.cond3.preheader.preheader, %for.cond.cleanup5
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%indvars.iv205 = phi i64 [ 0, %for.cond3.preheader.preheader ], [ %indvars.iv.next206, %for.cond.cleanup5 ]
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%2 = trunc i64 %indvars.iv205 to i32
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%mul11 = mul i32 %mul, %2
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%idx.ext = sext i32 %mul11 to i64
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%add.ptr = getelementptr inbounds i32, i32* %A_mem, i64 %idx.ext
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%mul26 = mul i32 %mul25, %2
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%idx.ext27 = sext i32 %mul26 to i64
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%add.ptr28 = getelementptr inbounds i32, i32* %C_mem, i64 %idx.ext27
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br i1 %cmp4173, label %for.body6, label %for.cond.cleanup5
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for.cond.cleanup: ; preds = %for.cond.cleanup5, %entry
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ret void
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for.cond.cleanup5: ; preds = %for.cond.cleanup9, %for.cond3.preheader
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%indvars.iv.next206 = add nuw nsw i64 %indvars.iv205, 1
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%exitcond208.not = icmp eq i64 %indvars.iv.next206, %wide.trip.count207
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br i1 %exitcond208.not, label %for.cond.cleanup, label %for.cond3.preheader
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for.body6: ; preds = %for.cond3.preheader, %for.cond.cleanup9
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%indvars.iv199 = phi i64 [ %indvars.iv.next200, %for.cond.cleanup9 ], [ 0, %for.cond3.preheader ]
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%3 = tail call x86_amx @llvm.x86.tilezero.internal(i16 16, i16 64)
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%4 = shl nsw i64 %indvars.iv199, 4
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br i1 %cmp8163, label %for.body10.preheader, label %for.cond.cleanup9
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for.body10.preheader: ; preds = %for.body6
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%add.ptr19 = getelementptr inbounds i32, i32* %B_mem, i64 %4
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br i1 %1, label %for.cond.cleanup9.loopexit.unr-lcssa, label %for.body10
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for.cond.cleanup9.loopexit.unr-lcssa: ; preds = %for.body10, %for.body10.preheader
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%.lcssa.ph = phi x86_amx [ undef, %for.body10.preheader ], [ %68, %for.body10 ]
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%indvars.iv.unr = phi i64 [ 0, %for.body10.preheader ], [ %indvars.iv.next.7, %for.body10 ]
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%c.sroa.8127.2.in164.unr = phi x86_amx [ %3, %for.body10.preheader ], [ %68, %for.body10 ]
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br i1 %lcmp.mod.not, label %for.cond.cleanup9, label %for.body10.epil
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for.body10.epil: ; preds = %for.cond.cleanup9.loopexit.unr-lcssa, %for.body10.epil
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%indvars.iv.epil = phi i64 [ %indvars.iv.next.epil, %for.body10.epil ], [ %indvars.iv.unr, %for.cond.cleanup9.loopexit.unr-lcssa ]
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%c.sroa.8127.2.in164.epil = phi x86_amx [ %11, %for.body10.epil ], [ %c.sroa.8127.2.in164.unr, %for.cond.cleanup9.loopexit.unr-lcssa ]
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%epil.iter = phi i64 [ %epil.iter.sub, %for.body10.epil ], [ %xtraiter, %for.cond.cleanup9.loopexit.unr-lcssa ]
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%5 = shl nsw i64 %indvars.iv.epil, 4
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%add.ptr14.epil = getelementptr inbounds i32, i32* %add.ptr, i64 %5
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%6 = bitcast i32* %add.ptr14.epil to i8*
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%7 = tail call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, i8* %6, i64 %mul15)
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%8 = mul nsw i64 %5, %conv23
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%add.ptr22.epil = getelementptr inbounds i32, i32* %add.ptr19, i64 %8
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%9 = bitcast i32* %add.ptr22.epil to i8*
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%10 = tail call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, i8* %9, i64 %mul24)
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%11 = tail call x86_amx @llvm.x86.tdpbssd.internal(i16 16, i16 64, i16 64, x86_amx %c.sroa.8127.2.in164.epil, x86_amx %7, x86_amx %10)
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%indvars.iv.next.epil = add nuw nsw i64 %indvars.iv.epil, 1
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%epil.iter.sub = add i64 %epil.iter, -1
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%epil.iter.cmp.not = icmp eq i64 %epil.iter.sub, 0
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br i1 %epil.iter.cmp.not, label %for.cond.cleanup9, label %for.body10.epil
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for.cond.cleanup9: ; preds = %for.cond.cleanup9.loopexit.unr-lcssa, %for.body10.epil, %for.body6
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%c.sroa.8127.2.in.lcssa = phi x86_amx [ %3, %for.body6 ], [ %.lcssa.ph, %for.cond.cleanup9.loopexit.unr-lcssa ], [ %11, %for.body10.epil ]
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%add.ptr31 = getelementptr inbounds i32, i32* %add.ptr28, i64 %4
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%12 = bitcast i32* %add.ptr31 to i8*
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tail call void @llvm.x86.tilestored64.internal(i16 16, i16 64, i8* %12, i64 %mul24, x86_amx %c.sroa.8127.2.in.lcssa)
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%indvars.iv.next200 = add nuw nsw i64 %indvars.iv199, 1
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%exitcond204.not = icmp eq i64 %indvars.iv.next200, %wide.trip.count203
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br i1 %exitcond204.not, label %for.cond.cleanup5, label %for.body6
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for.body10: ; preds = %for.body10.preheader, %for.body10
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%indvars.iv = phi i64 [ %indvars.iv.next.7, %for.body10 ], [ 0, %for.body10.preheader ]
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%c.sroa.8127.2.in164 = phi x86_amx [ %68, %for.body10 ], [ %3, %for.body10.preheader ]
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%niter = phi i64 [ %niter.nsub.7, %for.body10 ], [ %unroll_iter, %for.body10.preheader ]
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%13 = shl nsw i64 %indvars.iv, 4
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%add.ptr14 = getelementptr inbounds i32, i32* %add.ptr, i64 %13
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%14 = bitcast i32* %add.ptr14 to i8*
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%15 = tail call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, i8* %14, i64 %mul15)
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%16 = mul nsw i64 %13, %conv23
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%add.ptr22 = getelementptr inbounds i32, i32* %add.ptr19, i64 %16
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%17 = bitcast i32* %add.ptr22 to i8*
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%18 = tail call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, i8* %17, i64 %mul24)
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%19 = tail call x86_amx @llvm.x86.tdpbssd.internal(i16 16, i16 64, i16 64, x86_amx %c.sroa.8127.2.in164, x86_amx %15, x86_amx %18)
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%indvars.iv.next = shl i64 %indvars.iv, 4
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%20 = or i64 %indvars.iv.next, 16
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%add.ptr14.1 = getelementptr inbounds i32, i32* %add.ptr, i64 %20
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%21 = bitcast i32* %add.ptr14.1 to i8*
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%22 = tail call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, i8* nonnull %21, i64 %mul15)
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%23 = mul nsw i64 %20, %conv23
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%add.ptr22.1 = getelementptr inbounds i32, i32* %add.ptr19, i64 %23
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%24 = bitcast i32* %add.ptr22.1 to i8*
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%25 = tail call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, i8* nonnull %24, i64 %mul24)
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%26 = tail call x86_amx @llvm.x86.tdpbssd.internal(i16 16, i16 64, i16 64, x86_amx %19, x86_amx %22, x86_amx %25)
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%indvars.iv.next.1 = shl i64 %indvars.iv, 4
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%27 = or i64 %indvars.iv.next.1, 32
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%add.ptr14.2 = getelementptr inbounds i32, i32* %add.ptr, i64 %27
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%28 = bitcast i32* %add.ptr14.2 to i8*
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%29 = tail call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, i8* nonnull %28, i64 %mul15)
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%30 = mul nsw i64 %27, %conv23
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%add.ptr22.2 = getelementptr inbounds i32, i32* %add.ptr19, i64 %30
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%31 = bitcast i32* %add.ptr22.2 to i8*
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%32 = tail call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, i8* nonnull %31, i64 %mul24)
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%33 = tail call x86_amx @llvm.x86.tdpbssd.internal(i16 16, i16 64, i16 64, x86_amx %26, x86_amx %29, x86_amx %32)
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%indvars.iv.next.2 = shl i64 %indvars.iv, 4
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%34 = or i64 %indvars.iv.next.2, 48
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%add.ptr14.3 = getelementptr inbounds i32, i32* %add.ptr, i64 %34
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%35 = bitcast i32* %add.ptr14.3 to i8*
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%36 = tail call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, i8* nonnull %35, i64 %mul15)
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%37 = mul nsw i64 %34, %conv23
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%add.ptr22.3 = getelementptr inbounds i32, i32* %add.ptr19, i64 %37
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%38 = bitcast i32* %add.ptr22.3 to i8*
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%39 = tail call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, i8* nonnull %38, i64 %mul24)
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%40 = tail call x86_amx @llvm.x86.tdpbssd.internal(i16 16, i16 64, i16 64, x86_amx %33, x86_amx %36, x86_amx %39)
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%indvars.iv.next.3 = shl i64 %indvars.iv, 4
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%41 = or i64 %indvars.iv.next.3, 64
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%add.ptr14.4 = getelementptr inbounds i32, i32* %add.ptr, i64 %41
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%42 = bitcast i32* %add.ptr14.4 to i8*
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%43 = tail call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, i8* nonnull %42, i64 %mul15)
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%44 = mul nsw i64 %41, %conv23
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%add.ptr22.4 = getelementptr inbounds i32, i32* %add.ptr19, i64 %44
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%45 = bitcast i32* %add.ptr22.4 to i8*
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%46 = tail call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, i8* nonnull %45, i64 %mul24)
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%47 = tail call x86_amx @llvm.x86.tdpbssd.internal(i16 16, i16 64, i16 64, x86_amx %40, x86_amx %43, x86_amx %46)
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%indvars.iv.next.4 = shl i64 %indvars.iv, 4
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%48 = or i64 %indvars.iv.next.4, 80
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%add.ptr14.5 = getelementptr inbounds i32, i32* %add.ptr, i64 %48
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%49 = bitcast i32* %add.ptr14.5 to i8*
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%50 = tail call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, i8* nonnull %49, i64 %mul15)
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%51 = mul nsw i64 %48, %conv23
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%add.ptr22.5 = getelementptr inbounds i32, i32* %add.ptr19, i64 %51
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%52 = bitcast i32* %add.ptr22.5 to i8*
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%53 = tail call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, i8* nonnull %52, i64 %mul24)
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%54 = tail call x86_amx @llvm.x86.tdpbssd.internal(i16 16, i16 64, i16 64, x86_amx %47, x86_amx %50, x86_amx %53)
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%indvars.iv.next.5 = shl i64 %indvars.iv, 4
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%55 = or i64 %indvars.iv.next.5, 96
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%add.ptr14.6 = getelementptr inbounds i32, i32* %add.ptr, i64 %55
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%56 = bitcast i32* %add.ptr14.6 to i8*
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%57 = tail call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, i8* nonnull %56, i64 %mul15)
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%58 = mul nsw i64 %55, %conv23
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%add.ptr22.6 = getelementptr inbounds i32, i32* %add.ptr19, i64 %58
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%59 = bitcast i32* %add.ptr22.6 to i8*
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%60 = tail call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, i8* nonnull %59, i64 %mul24)
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%61 = tail call x86_amx @llvm.x86.tdpbssd.internal(i16 16, i16 64, i16 64, x86_amx %54, x86_amx %57, x86_amx %60)
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%indvars.iv.next.6 = shl i64 %indvars.iv, 4
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%62 = or i64 %indvars.iv.next.6, 112
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%add.ptr14.7 = getelementptr inbounds i32, i32* %add.ptr, i64 %62
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%63 = bitcast i32* %add.ptr14.7 to i8*
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%64 = tail call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, i8* nonnull %63, i64 %mul15)
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%65 = mul nsw i64 %62, %conv23
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%add.ptr22.7 = getelementptr inbounds i32, i32* %add.ptr19, i64 %65
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%66 = bitcast i32* %add.ptr22.7 to i8*
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%67 = tail call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, i8* nonnull %66, i64 %mul24)
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%68 = tail call x86_amx @llvm.x86.tdpbssd.internal(i16 16, i16 64, i16 64, x86_amx %61, x86_amx %64, x86_amx %67)
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%indvars.iv.next.7 = add nuw nsw i64 %indvars.iv, 8
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%niter.nsub.7 = add i64 %niter, -8
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%niter.ncmp.7 = icmp eq i64 %niter.nsub.7, 0
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br i1 %niter.ncmp.7, label %for.cond.cleanup9.loopexit.unr-lcssa, label %for.body10
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}
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declare x86_amx @llvm.x86.tilezero.internal(i16, i16)
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declare x86_amx @llvm.x86.tileloadd64.internal(i16, i16, i8*, i64)
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declare x86_amx @llvm.x86.tdpbssd.internal(i16, i16, i16, x86_amx, x86_amx, x86_amx)
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declare void @llvm.x86.tilestored64.internal(i16, i16, i8*, i64, x86_amx)
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