mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +00:00
ea2c50c041
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165267 91177308-0d34-0410-b5e6-96231b3b80d8
306 lines
11 KiB
LLVM
306 lines
11 KiB
LLVM
; RUN: llc -march=x86-64 -mcpu=corei7 -mattr=+avx < %s | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.8.0"
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%struct.A = type { i8, i8, i8, i8, i8, i8, i8, i8 }
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%struct.B = type { i32, i32, i32, i32, i32, i32, i32, i32 }
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; CHECK: merge_const_store
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; save 1,2,3 ... as one big integer.
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; CHECK: movabsq $578437695752307201
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; CHECK: ret
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define void @merge_const_store(i32 %count, %struct.A* nocapture %p) nounwind uwtable noinline ssp {
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%1 = icmp sgt i32 %count, 0
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br i1 %1, label %.lr.ph, label %._crit_edge
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.lr.ph:
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%i.02 = phi i32 [ %10, %.lr.ph ], [ 0, %0 ]
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%.01 = phi %struct.A* [ %11, %.lr.ph ], [ %p, %0 ]
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%2 = getelementptr inbounds %struct.A* %.01, i64 0, i32 0
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store i8 1, i8* %2, align 1
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%3 = getelementptr inbounds %struct.A* %.01, i64 0, i32 1
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store i8 2, i8* %3, align 1
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%4 = getelementptr inbounds %struct.A* %.01, i64 0, i32 2
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store i8 3, i8* %4, align 1
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%5 = getelementptr inbounds %struct.A* %.01, i64 0, i32 3
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store i8 4, i8* %5, align 1
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%6 = getelementptr inbounds %struct.A* %.01, i64 0, i32 4
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store i8 5, i8* %6, align 1
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%7 = getelementptr inbounds %struct.A* %.01, i64 0, i32 5
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store i8 6, i8* %7, align 1
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%8 = getelementptr inbounds %struct.A* %.01, i64 0, i32 6
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store i8 7, i8* %8, align 1
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%9 = getelementptr inbounds %struct.A* %.01, i64 0, i32 7
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store i8 8, i8* %9, align 1
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%10 = add nsw i32 %i.02, 1
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%11 = getelementptr inbounds %struct.A* %.01, i64 1
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%exitcond = icmp eq i32 %10, %count
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br i1 %exitcond, label %._crit_edge, label %.lr.ph
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._crit_edge:
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ret void
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}
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; Move the constants using a single vector store.
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; CHECK: merge_const_store_vec
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; CHECK: vmovups %ymm0, (%rsi)
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; CHECK: ret
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define void @merge_const_store_vec(i32 %count, %struct.B* nocapture %p) nounwind uwtable noinline ssp {
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%1 = icmp sgt i32 %count, 0
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br i1 %1, label %.lr.ph, label %._crit_edge
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.lr.ph:
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%i.02 = phi i32 [ %10, %.lr.ph ], [ 0, %0 ]
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%.01 = phi %struct.B* [ %11, %.lr.ph ], [ %p, %0 ]
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%2 = getelementptr inbounds %struct.B* %.01, i64 0, i32 0
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store i32 0, i32* %2, align 4
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%3 = getelementptr inbounds %struct.B* %.01, i64 0, i32 1
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store i32 0, i32* %3, align 4
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%4 = getelementptr inbounds %struct.B* %.01, i64 0, i32 2
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store i32 0, i32* %4, align 4
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%5 = getelementptr inbounds %struct.B* %.01, i64 0, i32 3
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store i32 0, i32* %5, align 4
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%6 = getelementptr inbounds %struct.B* %.01, i64 0, i32 4
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store i32 0, i32* %6, align 4
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%7 = getelementptr inbounds %struct.B* %.01, i64 0, i32 5
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store i32 0, i32* %7, align 4
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%8 = getelementptr inbounds %struct.B* %.01, i64 0, i32 6
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store i32 0, i32* %8, align 4
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%9 = getelementptr inbounds %struct.B* %.01, i64 0, i32 7
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store i32 0, i32* %9, align 4
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%10 = add nsw i32 %i.02, 1
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%11 = getelementptr inbounds %struct.B* %.01, i64 1
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%exitcond = icmp eq i32 %10, %count
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br i1 %exitcond, label %._crit_edge, label %.lr.ph
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._crit_edge:
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ret void
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}
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; Move the first 4 constants as a single vector. Move the rest as scalars.
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; CHECK: merge_nonconst_store
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; CHECK: movl $67305985
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; CHECK: movb
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; CHECK: movb
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; CHECK: movb
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; CHECK: movb
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; CHECK: ret
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define void @merge_nonconst_store(i32 %count, i8 %zz, %struct.A* nocapture %p) nounwind uwtable noinline ssp {
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%1 = icmp sgt i32 %count, 0
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br i1 %1, label %.lr.ph, label %._crit_edge
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.lr.ph:
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%i.02 = phi i32 [ %10, %.lr.ph ], [ 0, %0 ]
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%.01 = phi %struct.A* [ %11, %.lr.ph ], [ %p, %0 ]
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%2 = getelementptr inbounds %struct.A* %.01, i64 0, i32 0
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store i8 1, i8* %2, align 1
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%3 = getelementptr inbounds %struct.A* %.01, i64 0, i32 1
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store i8 2, i8* %3, align 1
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%4 = getelementptr inbounds %struct.A* %.01, i64 0, i32 2
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store i8 3, i8* %4, align 1
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%5 = getelementptr inbounds %struct.A* %.01, i64 0, i32 3
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store i8 4, i8* %5, align 1
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%6 = getelementptr inbounds %struct.A* %.01, i64 0, i32 4
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store i8 %zz, i8* %6, align 1 ; <----------- Not a const;
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%7 = getelementptr inbounds %struct.A* %.01, i64 0, i32 5
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store i8 6, i8* %7, align 1
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%8 = getelementptr inbounds %struct.A* %.01, i64 0, i32 6
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store i8 7, i8* %8, align 1
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%9 = getelementptr inbounds %struct.A* %.01, i64 0, i32 7
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store i8 8, i8* %9, align 1
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%10 = add nsw i32 %i.02, 1
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%11 = getelementptr inbounds %struct.A* %.01, i64 1
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%exitcond = icmp eq i32 %10, %count
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br i1 %exitcond, label %._crit_edge, label %.lr.ph
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._crit_edge:
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ret void
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}
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;CHECK: merge_loads_i16
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; load:
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;CHECK: movw
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; store:
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;CHECK: movw
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;CHECK: ret
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define void @merge_loads_i16(i32 %count, %struct.A* noalias nocapture %q, %struct.A* noalias nocapture %p) nounwind uwtable noinline ssp {
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%1 = icmp sgt i32 %count, 0
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br i1 %1, label %.lr.ph, label %._crit_edge
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.lr.ph: ; preds = %0
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%2 = getelementptr inbounds %struct.A* %q, i64 0, i32 0
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%3 = getelementptr inbounds %struct.A* %q, i64 0, i32 1
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br label %4
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; <label>:4 ; preds = %4, %.lr.ph
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%i.02 = phi i32 [ 0, %.lr.ph ], [ %9, %4 ]
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%.01 = phi %struct.A* [ %p, %.lr.ph ], [ %10, %4 ]
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%5 = load i8* %2, align 1
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%6 = load i8* %3, align 1
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%7 = getelementptr inbounds %struct.A* %.01, i64 0, i32 0
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store i8 %5, i8* %7, align 1
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%8 = getelementptr inbounds %struct.A* %.01, i64 0, i32 1
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store i8 %6, i8* %8, align 1
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%9 = add nsw i32 %i.02, 1
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%10 = getelementptr inbounds %struct.A* %.01, i64 1
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%exitcond = icmp eq i32 %9, %count
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br i1 %exitcond, label %._crit_edge, label %4
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._crit_edge: ; preds = %4, %0
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ret void
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}
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; The loads and the stores are interleved. Can't merge them.
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;CHECK: no_merge_loads
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;CHECK: movb
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;CHECK: movb
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;CHECK: movb
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;CHECK: movb
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;CHECK: ret
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define void @no_merge_loads(i32 %count, %struct.A* noalias nocapture %q, %struct.A* noalias nocapture %p) nounwind uwtable noinline ssp {
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%1 = icmp sgt i32 %count, 0
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br i1 %1, label %.lr.ph, label %._crit_edge
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.lr.ph: ; preds = %0
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%2 = getelementptr inbounds %struct.A* %q, i64 0, i32 0
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%3 = getelementptr inbounds %struct.A* %q, i64 0, i32 1
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br label %a4
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a4: ; preds = %4, %.lr.ph
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%i.02 = phi i32 [ 0, %.lr.ph ], [ %a9, %a4 ]
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%.01 = phi %struct.A* [ %p, %.lr.ph ], [ %a10, %a4 ]
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%a5 = load i8* %2, align 1
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%a7 = getelementptr inbounds %struct.A* %.01, i64 0, i32 0
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store i8 %a5, i8* %a7, align 1
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%a8 = getelementptr inbounds %struct.A* %.01, i64 0, i32 1
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%a6 = load i8* %3, align 1
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store i8 %a6, i8* %a8, align 1
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%a9 = add nsw i32 %i.02, 1
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%a10 = getelementptr inbounds %struct.A* %.01, i64 1
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%exitcond = icmp eq i32 %a9, %count
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br i1 %exitcond, label %._crit_edge, label %a4
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._crit_edge: ; preds = %4, %0
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ret void
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}
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;CHECK: merge_loads_integer
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; load:
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;CHECK: movq
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; store:
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;CHECK: movq
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;CHECK: ret
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define void @merge_loads_integer(i32 %count, %struct.B* noalias nocapture %q, %struct.B* noalias nocapture %p) nounwind uwtable noinline ssp {
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%1 = icmp sgt i32 %count, 0
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br i1 %1, label %.lr.ph, label %._crit_edge
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.lr.ph: ; preds = %0
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%2 = getelementptr inbounds %struct.B* %q, i64 0, i32 0
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%3 = getelementptr inbounds %struct.B* %q, i64 0, i32 1
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br label %4
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; <label>:4 ; preds = %4, %.lr.ph
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%i.02 = phi i32 [ 0, %.lr.ph ], [ %9, %4 ]
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%.01 = phi %struct.B* [ %p, %.lr.ph ], [ %10, %4 ]
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%5 = load i32* %2
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%6 = load i32* %3
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%7 = getelementptr inbounds %struct.B* %.01, i64 0, i32 0
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store i32 %5, i32* %7
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%8 = getelementptr inbounds %struct.B* %.01, i64 0, i32 1
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store i32 %6, i32* %8
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%9 = add nsw i32 %i.02, 1
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%10 = getelementptr inbounds %struct.B* %.01, i64 1
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%exitcond = icmp eq i32 %9, %count
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br i1 %exitcond, label %._crit_edge, label %4
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._crit_edge: ; preds = %4, %0
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ret void
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}
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;CHECK: merge_loads_vector
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; load:
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;CHECK: movups
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; store:
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;CHECK: movups
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;CHECK: ret
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define void @merge_loads_vector(i32 %count, %struct.B* noalias nocapture %q, %struct.B* noalias nocapture %p) nounwind uwtable noinline ssp {
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%a1 = icmp sgt i32 %count, 0
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br i1 %a1, label %.lr.ph, label %._crit_edge
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.lr.ph: ; preds = %0
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%a2 = getelementptr inbounds %struct.B* %q, i64 0, i32 0
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%a3 = getelementptr inbounds %struct.B* %q, i64 0, i32 1
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%a4 = getelementptr inbounds %struct.B* %q, i64 0, i32 2
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%a5 = getelementptr inbounds %struct.B* %q, i64 0, i32 3
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br label %block4
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block4: ; preds = %4, %.lr.ph
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%i.02 = phi i32 [ 0, %.lr.ph ], [ %c9, %block4 ]
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%.01 = phi %struct.B* [ %p, %.lr.ph ], [ %c10, %block4 ]
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%a7 = getelementptr inbounds %struct.B* %.01, i64 0, i32 0
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%a8 = getelementptr inbounds %struct.B* %.01, i64 0, i32 1
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%a9 = getelementptr inbounds %struct.B* %.01, i64 0, i32 2
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%a10 = getelementptr inbounds %struct.B* %.01, i64 0, i32 3
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%b1 = load i32* %a2
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%b2 = load i32* %a3
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%b3 = load i32* %a4
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%b4 = load i32* %a5
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store i32 %b1, i32* %a7
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store i32 %b2, i32* %a8
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store i32 %b3, i32* %a9
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store i32 %b4, i32* %a10
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%c9 = add nsw i32 %i.02, 1
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%c10 = getelementptr inbounds %struct.B* %.01, i64 1
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%exitcond = icmp eq i32 %c9, %count
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br i1 %exitcond, label %._crit_edge, label %block4
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._crit_edge: ; preds = %4, %0
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ret void
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}
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;CHECK: merge_loads_no_align
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; load:
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;CHECK: movl
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;CHECK: movl
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;CHECK: movl
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;CHECK: movl
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; store:
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;CHECK: movl
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;CHECK: movl
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;CHECK: movl
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;CHECK: movl
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;CHECK: ret
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define void @merge_loads_no_align(i32 %count, %struct.B* noalias nocapture %q, %struct.B* noalias nocapture %p) nounwind uwtable noinline ssp {
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%a1 = icmp sgt i32 %count, 0
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br i1 %a1, label %.lr.ph, label %._crit_edge
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.lr.ph: ; preds = %0
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%a2 = getelementptr inbounds %struct.B* %q, i64 0, i32 0
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%a3 = getelementptr inbounds %struct.B* %q, i64 0, i32 1
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%a4 = getelementptr inbounds %struct.B* %q, i64 0, i32 2
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%a5 = getelementptr inbounds %struct.B* %q, i64 0, i32 3
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br label %block4
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block4: ; preds = %4, %.lr.ph
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%i.02 = phi i32 [ 0, %.lr.ph ], [ %c9, %block4 ]
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%.01 = phi %struct.B* [ %p, %.lr.ph ], [ %c10, %block4 ]
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%a7 = getelementptr inbounds %struct.B* %.01, i64 0, i32 0
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%a8 = getelementptr inbounds %struct.B* %.01, i64 0, i32 1
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%a9 = getelementptr inbounds %struct.B* %.01, i64 0, i32 2
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%a10 = getelementptr inbounds %struct.B* %.01, i64 0, i32 3
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%b1 = load i32* %a2, align 1
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%b2 = load i32* %a3, align 1
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%b3 = load i32* %a4, align 1
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%b4 = load i32* %a5, align 1
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store i32 %b1, i32* %a7, align 1
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store i32 %b2, i32* %a8, align 1
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store i32 %b3, i32* %a9, align 1
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store i32 %b4, i32* %a10, align 1
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%c9 = add nsw i32 %i.02, 1
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%c10 = getelementptr inbounds %struct.B* %.01, i64 1
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%exitcond = icmp eq i32 %c9, %count
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br i1 %exitcond, label %._crit_edge, label %block4
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._crit_edge: ; preds = %4, %0
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ret void
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}
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