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Diffstat (limited to 'test/Transforms/SLPVectorizer/X86/simple-loop.ll')
-rw-r--r-- | test/Transforms/SLPVectorizer/X86/simple-loop.ll | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/test/Transforms/SLPVectorizer/X86/simple-loop.ll b/test/Transforms/SLPVectorizer/X86/simple-loop.ll new file mode 100644 index 0000000..0111b94 --- /dev/null +++ b/test/Transforms/SLPVectorizer/X86/simple-loop.ll @@ -0,0 +1,100 @@ +; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s + +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" +target triple = "x86_64-apple-macosx10.8.0" + +;CHECK:rollable +define i32 @rollable(i32* noalias nocapture %in, i32* noalias nocapture %out, i64 %n) { + %1 = icmp eq i64 %n, 0 + br i1 %1, label %._crit_edge, label %.lr.ph + +.lr.ph: ; preds = %0, %.lr.ph + %i.019 = phi i64 [ %26, %.lr.ph ], [ 0, %0 ] + %2 = shl i64 %i.019, 2 + %3 = getelementptr inbounds i32* %in, i64 %2 +;CHECK:load <4 x i32> + %4 = load i32* %3, align 4 + %5 = or i64 %2, 1 + %6 = getelementptr inbounds i32* %in, i64 %5 + %7 = load i32* %6, align 4 + %8 = or i64 %2, 2 + %9 = getelementptr inbounds i32* %in, i64 %8 + %10 = load i32* %9, align 4 + %11 = or i64 %2, 3 + %12 = getelementptr inbounds i32* %in, i64 %11 + %13 = load i32* %12, align 4 +;CHECK:mul <4 x i32> + %14 = mul i32 %4, 7 +;CHECK:add <4 x i32> + %15 = add i32 %14, 7 + %16 = mul i32 %7, 7 + %17 = add i32 %16, 14 + %18 = mul i32 %10, 7 + %19 = add i32 %18, 21 + %20 = mul i32 %13, 7 + %21 = add i32 %20, 28 + %22 = getelementptr inbounds i32* %out, i64 %2 +;CHECK:store <4 x i32> + store i32 %15, i32* %22, align 4 + %23 = getelementptr inbounds i32* %out, i64 %5 + store i32 %17, i32* %23, align 4 + %24 = getelementptr inbounds i32* %out, i64 %8 + store i32 %19, i32* %24, align 4 + %25 = getelementptr inbounds i32* %out, i64 %11 + store i32 %21, i32* %25, align 4 + %26 = add i64 %i.019, 1 + %exitcond = icmp eq i64 %26, %n + br i1 %exitcond, label %._crit_edge, label %.lr.ph + +._crit_edge: ; preds = %.lr.ph, %0 +;CHECK: ret + ret i32 undef +} + +;CHECK:unrollable +;CHECK-NOT: <4 x i32> +;CHECK: ret +define i32 @unrollable(i32* %in, i32* %out, i64 %n) nounwind ssp uwtable { + %1 = icmp eq i64 %n, 0 + br i1 %1, label %._crit_edge, label %.lr.ph + +.lr.ph: ; preds = %0, %.lr.ph + %i.019 = phi i64 [ %26, %.lr.ph ], [ 0, %0 ] + %2 = shl i64 %i.019, 2 + %3 = getelementptr inbounds i32* %in, i64 %2 + %4 = load i32* %3, align 4 + %5 = or i64 %2, 1 + %6 = getelementptr inbounds i32* %in, i64 %5 + %7 = load i32* %6, align 4 + %8 = or i64 %2, 2 + %9 = getelementptr inbounds i32* %in, i64 %8 + %10 = load i32* %9, align 4 + %11 = or i64 %2, 3 + %12 = getelementptr inbounds i32* %in, i64 %11 + %13 = load i32* %12, align 4 + %14 = mul i32 %4, 7 + %15 = add i32 %14, 7 + %16 = mul i32 %7, 7 + %17 = add i32 %16, 14 + %18 = mul i32 %10, 7 + %19 = add i32 %18, 21 + %20 = mul i32 %13, 7 + %21 = add i32 %20, 28 + %22 = getelementptr inbounds i32* %out, i64 %2 + store i32 %15, i32* %22, align 4 + %23 = getelementptr inbounds i32* %out, i64 %5 + store i32 %17, i32* %23, align 4 + %barrier = call i32 @goo(i32 0) ; <---------------- memory barrier. + %24 = getelementptr inbounds i32* %out, i64 %8 + store i32 %19, i32* %24, align 4 + %25 = getelementptr inbounds i32* %out, i64 %11 + store i32 %21, i32* %25, align 4 + %26 = add i64 %i.019, 1 + %exitcond = icmp eq i64 %26, %n + br i1 %exitcond, label %._crit_edge, label %.lr.ph + +._crit_edge: ; preds = %.lr.ph, %0 + ret i32 undef +} + +declare i32 @goo(i32) |