315 lines
18 KiB
LLVM
315 lines
18 KiB
LLVM
; RUN: opt < %s -basicaa -slp-vectorizer -S | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@b = common global [4 x i32] zeroinitializer, align 16
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@c = common global [4 x i32] zeroinitializer, align 16
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@d = common global [4 x i32] zeroinitializer, align 16
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@e = common global [4 x i32] zeroinitializer, align 16
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@a = common global [4 x i32] zeroinitializer, align 16
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@fb = common global [4 x float] zeroinitializer, align 16
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@fc = common global [4 x float] zeroinitializer, align 16
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@fa = common global [4 x float] zeroinitializer, align 16
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@fd = common global [4 x float] zeroinitializer, align 16
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; CHECK-LABEL: @addsub
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; CHECK: %5 = add nsw <4 x i32> %3, %4
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; CHECK: %6 = add nsw <4 x i32> %2, %5
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; CHECK: %7 = sub nsw <4 x i32> %2, %5
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; CHECK: %8 = shufflevector <4 x i32> %6, <4 x i32> %7, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
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; Function Attrs: nounwind uwtable
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define void @addsub() #0 {
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entry:
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%0 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @b, i32 0, i64 0), align 4
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%1 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @c, i32 0, i64 0), align 4
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%add = add nsw i32 %0, %1
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%2 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @d, i32 0, i64 0), align 4
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%3 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @e, i32 0, i64 0), align 4
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%add1 = add nsw i32 %2, %3
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%add2 = add nsw i32 %add, %add1
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store i32 %add2, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @a, i32 0, i64 0), align 4
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%4 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @b, i32 0, i64 1), align 4
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%5 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @c, i32 0, i64 1), align 4
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%add3 = add nsw i32 %4, %5
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%6 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @d, i32 0, i64 1), align 4
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%7 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @e, i32 0, i64 1), align 4
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%add4 = add nsw i32 %6, %7
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%sub = sub nsw i32 %add3, %add4
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store i32 %sub, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @a, i32 0, i64 1), align 4
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%8 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @b, i32 0, i64 2), align 4
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%9 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @c, i32 0, i64 2), align 4
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%add5 = add nsw i32 %8, %9
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%10 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @d, i32 0, i64 2), align 4
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%11 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @e, i32 0, i64 2), align 4
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%add6 = add nsw i32 %10, %11
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%add7 = add nsw i32 %add5, %add6
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store i32 %add7, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @a, i32 0, i64 2), align 4
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%12 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @b, i32 0, i64 3), align 4
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%13 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @c, i32 0, i64 3), align 4
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%add8 = add nsw i32 %12, %13
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%14 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @d, i32 0, i64 3), align 4
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%15 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @e, i32 0, i64 3), align 4
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%add9 = add nsw i32 %14, %15
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%sub10 = sub nsw i32 %add8, %add9
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store i32 %sub10, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @a, i32 0, i64 3), align 4
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ret void
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}
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; CHECK-LABEL: @subadd
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; CHECK: %5 = add nsw <4 x i32> %3, %4
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; CHECK: %6 = sub nsw <4 x i32> %2, %5
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; CHECK: %7 = add nsw <4 x i32> %2, %5
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; CHECK: %8 = shufflevector <4 x i32> %6, <4 x i32> %7, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
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; Function Attrs: nounwind uwtable
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define void @subadd() #0 {
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entry:
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%0 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @b, i32 0, i64 0), align 4
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%1 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @c, i32 0, i64 0), align 4
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%add = add nsw i32 %0, %1
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%2 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @d, i32 0, i64 0), align 4
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%3 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @e, i32 0, i64 0), align 4
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%add1 = add nsw i32 %2, %3
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%sub = sub nsw i32 %add, %add1
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store i32 %sub, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @a, i32 0, i64 0), align 4
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%4 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @b, i32 0, i64 1), align 4
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%5 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @c, i32 0, i64 1), align 4
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%add2 = add nsw i32 %4, %5
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%6 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @d, i32 0, i64 1), align 4
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%7 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @e, i32 0, i64 1), align 4
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%add3 = add nsw i32 %6, %7
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%add4 = add nsw i32 %add2, %add3
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store i32 %add4, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @a, i32 0, i64 1), align 4
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%8 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @b, i32 0, i64 2), align 4
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%9 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @c, i32 0, i64 2), align 4
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%add5 = add nsw i32 %8, %9
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%10 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @d, i32 0, i64 2), align 4
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%11 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @e, i32 0, i64 2), align 4
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%add6 = add nsw i32 %10, %11
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%sub7 = sub nsw i32 %add5, %add6
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store i32 %sub7, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @a, i32 0, i64 2), align 4
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%12 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @b, i32 0, i64 3), align 4
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%13 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @c, i32 0, i64 3), align 4
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%add8 = add nsw i32 %12, %13
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%14 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @d, i32 0, i64 3), align 4
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%15 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @e, i32 0, i64 3), align 4
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%add9 = add nsw i32 %14, %15
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%add10 = add nsw i32 %add8, %add9
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store i32 %add10, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @a, i32 0, i64 3), align 4
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ret void
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}
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; CHECK-LABEL: @faddfsub
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; CHECK: %2 = fadd <4 x float> %0, %1
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; CHECK: %3 = fsub <4 x float> %0, %1
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; CHECK: %4 = shufflevector <4 x float> %2, <4 x float> %3, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
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; Function Attrs: nounwind uwtable
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define void @faddfsub() #0 {
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entry:
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%0 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 0), align 4
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%1 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 0), align 4
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%add = fadd float %0, %1
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store float %add, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 0), align 4
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%2 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 1), align 4
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%3 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 1), align 4
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%sub = fsub float %2, %3
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store float %sub, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 1), align 4
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%4 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 2), align 4
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%5 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 2), align 4
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%add1 = fadd float %4, %5
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store float %add1, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 2), align 4
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%6 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 3), align 4
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%7 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 3), align 4
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%sub2 = fsub float %6, %7
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store float %sub2, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 3), align 4
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ret void
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}
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; CHECK-LABEL: @fsubfadd
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; CHECK: %2 = fsub <4 x float> %0, %1
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; CHECK: %3 = fadd <4 x float> %0, %1
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; CHECK: %4 = shufflevector <4 x float> %2, <4 x float> %3, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
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; Function Attrs: nounwind uwtable
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define void @fsubfadd() #0 {
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entry:
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%0 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 0), align 4
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%1 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 0), align 4
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%sub = fsub float %0, %1
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store float %sub, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 0), align 4
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%2 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 1), align 4
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%3 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 1), align 4
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%add = fadd float %2, %3
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store float %add, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 1), align 4
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%4 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 2), align 4
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%5 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 2), align 4
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%sub1 = fsub float %4, %5
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store float %sub1, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 2), align 4
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%6 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 3), align 4
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%7 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 3), align 4
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%add2 = fadd float %6, %7
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store float %add2, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 3), align 4
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ret void
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}
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; CHECK-LABEL: @No_faddfsub
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; CHECK-NOT: fadd <4 x float>
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; CHECK-NOT: fsub <4 x float>
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; CHECK-NOT: shufflevector
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; Function Attrs: nounwind uwtable
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define void @No_faddfsub() #0 {
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entry:
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%0 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 0), align 4
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%1 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 0), align 4
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%add = fadd float %0, %1
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store float %add, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 0), align 4
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%2 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 1), align 4
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%3 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 1), align 4
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%add1 = fadd float %2, %3
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store float %add1, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 1), align 4
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%4 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 2), align 4
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%5 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 2), align 4
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%add2 = fadd float %4, %5
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store float %add2, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 2), align 4
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%6 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 3), align 4
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%7 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 3), align 4
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%sub = fsub float %6, %7
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store float %sub, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 3), align 4
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ret void
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}
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; Check vectorization of following code for float data type-
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; fc[0] = fb[0]+fa[0]; //swapped fb and fa
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; fc[1] = fa[1]-fb[1];
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; fc[2] = fa[2]+fb[2];
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; fc[3] = fa[3]-fb[3];
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; CHECK-LABEL: @reorder_alt
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; CHECK: %3 = fadd <4 x float> %1, %2
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; CHECK: %4 = fsub <4 x float> %1, %2
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; CHECK: %5 = shufflevector <4 x float> %3, <4 x float> %4, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
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define void @reorder_alt() #0 {
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%1 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 0), align 4
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%2 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 0), align 4
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%3 = fadd float %1, %2
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store float %3, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 0), align 4
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%4 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 1), align 4
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%5 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 1), align 4
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%6 = fsub float %4, %5
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store float %6, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 1), align 4
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%7 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 2), align 4
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%8 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 2), align 4
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%9 = fadd float %7, %8
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store float %9, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 2), align 4
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%10 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 3), align 4
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%11 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 3), align 4
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%12 = fsub float %10, %11
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store float %12, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 3), align 4
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ret void
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}
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; Check vectorization of following code for float data type-
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; fc[0] = fa[0]+(fb[0]-fd[0]);
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; fc[1] = fa[1]-(fb[1]+fd[1]);
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; fc[2] = fa[2]+(fb[2]-fd[2]);
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; fc[3] = fa[3]-(fd[3]+fb[3]); //swapped fd and fb
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; CHECK-LABEL: @reorder_alt_subTree
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; CHECK: %4 = fsub <4 x float> %3, %2
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; CHECK: %5 = fadd <4 x float> %3, %2
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; CHECK: %6 = shufflevector <4 x float> %4, <4 x float> %5, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
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; CHECK: %7 = fadd <4 x float> %1, %6
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; CHECK: %8 = fsub <4 x float> %1, %6
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; CHECK: %9 = shufflevector <4 x float> %7, <4 x float> %8, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
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define void @reorder_alt_subTree() #0 {
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%1 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 0), align 4
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%2 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 0), align 4
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%3 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fd, i32 0, i64 0), align 4
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%4 = fsub float %2, %3
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%5 = fadd float %1, %4
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store float %5, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 0), align 4
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%6 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 1), align 4
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%7 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 1), align 4
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%8 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fd, i32 0, i64 1), align 4
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%9 = fadd float %7, %8
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%10 = fsub float %6, %9
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store float %10, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 1), align 4
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%11 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 2), align 4
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%12 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 2), align 4
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%13 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fd, i32 0, i64 2), align 4
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%14 = fsub float %12, %13
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%15 = fadd float %11, %14
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store float %15, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 2), align 4
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%16 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 3), align 4
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%17 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fd, i32 0, i64 3), align 4
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%18 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 3), align 4
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%19 = fadd float %17, %18
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%20 = fsub float %16, %19
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store float %20, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 3), align 4
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ret void
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}
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; Check vectorization of following code for double data type-
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; c[0] = (a[0]+b[0])-d[0];
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; c[1] = d[1]+(a[1]+b[1]); //swapped d[1] and (a[1]+b[1])
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; CHECK-LABEL: @reorder_alt_rightsubTree
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; CHECK: fadd <2 x double>
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; CHECK: fsub <2 x double>
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; CHECK: shufflevector <2 x double>
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define void @reorder_alt_rightsubTree(double* nocapture %c, double* noalias nocapture readonly %a, double* noalias nocapture readonly %b, double* noalias nocapture readonly %d) {
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%1 = load double, double* %a
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%2 = load double, double* %b
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%3 = fadd double %1, %2
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%4 = load double, double* %d
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%5 = fsub double %3, %4
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store double %5, double* %c
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%6 = getelementptr inbounds double, double* %d, i64 1
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%7 = load double, double* %6
|
|
%8 = getelementptr inbounds double, double* %a, i64 1
|
|
%9 = load double, double* %8
|
|
%10 = getelementptr inbounds double, double* %b, i64 1
|
|
%11 = load double, double* %10
|
|
%12 = fadd double %9, %11
|
|
%13 = fadd double %7, %12
|
|
%14 = getelementptr inbounds double, double* %c, i64 1
|
|
store double %13, double* %14
|
|
ret void
|
|
}
|
|
|
|
; Dont vectorization of following code for float data type as sub is not commutative-
|
|
; fc[0] = fb[0]+fa[0];
|
|
; fc[1] = fa[1]-fb[1];
|
|
; fc[2] = fa[2]+fb[2];
|
|
; fc[3] = fb[3]-fa[3];
|
|
; In the above code we can swap the 1st and 2nd operation as fadd is commutative
|
|
; but not 2nd or 4th as fsub is not commutative.
|
|
|
|
; CHECK-LABEL: @no_vec_shuff_reorder
|
|
; CHECK-NOT: fadd <4 x float>
|
|
; CHECK-NOT: fsub <4 x float>
|
|
; CHECK-NOT: shufflevector
|
|
define void @no_vec_shuff_reorder() #0 {
|
|
%1 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 0), align 4
|
|
%2 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 0), align 4
|
|
%3 = fadd float %1, %2
|
|
store float %3, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 0), align 4
|
|
%4 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 1), align 4
|
|
%5 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 1), align 4
|
|
%6 = fsub float %4, %5
|
|
store float %6, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 1), align 4
|
|
%7 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 2), align 4
|
|
%8 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 2), align 4
|
|
%9 = fadd float %7, %8
|
|
store float %9, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 2), align 4
|
|
%10 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 3), align 4
|
|
%11 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 3), align 4
|
|
%12 = fsub float %10, %11
|
|
store float %12, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 3), align 4
|
|
ret void
|
|
}
|
|
|
|
|
|
attributes #0 = { nounwind }
|
|
|