xref: /minix/external/bsd/llvm/dist/llvm/test/Transforms/SLPVectorizer/X86/addsub.ll (revision 0a6a1f1d)

; RUN: opt < %s -basicaa -slp-vectorizer -S | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@b = common global [4 x i32] zeroinitializer, align 16
@c = common global [4 x i32] zeroinitializer, align 16
@d = common global [4 x i32] zeroinitializer, align 16
@e = common global [4 x i32] zeroinitializer, align 16
@a = common global [4 x i32] zeroinitializer, align 16
@fb = common global [4 x float] zeroinitializer, align 16
@fc = common global [4 x float] zeroinitializer, align 16
@fa = common global [4 x float] zeroinitializer, align 16

; CHECK-LABEL: @addsub
; CHECK: %5 = add nsw <4 x i32> %3, %4
; CHECK: %6 = add nsw <4 x i32> %2, %5
; CHECK: %7 = sub nsw <4 x i32> %2, %5
; CHECK: %8 = shufflevector <4 x i32> %6, <4 x i32> %7, <4 x i32> <i32 0, i32 5, i32 2, i32 7>

; Function Attrs: nounwind uwtable
define void @addsub() #0 {
entry:
  %0 = load i32* getelementptr inbounds ([4 x i32]* @b, i32 0, i64 0), align 4
  %1 = load i32* getelementptr inbounds ([4 x i32]* @c, i32 0, i64 0), align 4
  %add = add nsw i32 %0, %1
  %2 = load i32* getelementptr inbounds ([4 x i32]* @d, i32 0, i64 0), align 4
  %3 = load i32* getelementptr inbounds ([4 x i32]* @e, i32 0, i64 0), align 4
  %add1 = add nsw i32 %2, %3
  %add2 = add nsw i32 %add, %add1
  store i32 %add2, i32* getelementptr inbounds ([4 x i32]* @a, i32 0, i64 0), align 4
  %4 = load i32* getelementptr inbounds ([4 x i32]* @b, i32 0, i64 1), align 4
  %5 = load i32* getelementptr inbounds ([4 x i32]* @c, i32 0, i64 1), align 4
  %add3 = add nsw i32 %4, %5
  %6 = load i32* getelementptr inbounds ([4 x i32]* @d, i32 0, i64 1), align 4
  %7 = load i32* getelementptr inbounds ([4 x i32]* @e, i32 0, i64 1), align 4
  %add4 = add nsw i32 %6, %7
  %sub = sub nsw i32 %add3, %add4
  store i32 %sub, i32* getelementptr inbounds ([4 x i32]* @a, i32 0, i64 1), align 4
  %8 = load i32* getelementptr inbounds ([4 x i32]* @b, i32 0, i64 2), align 4
  %9 = load i32* getelementptr inbounds ([4 x i32]* @c, i32 0, i64 2), align 4
  %add5 = add nsw i32 %8, %9
  %10 = load i32* getelementptr inbounds ([4 x i32]* @d, i32 0, i64 2), align 4
  %11 = load i32* getelementptr inbounds ([4 x i32]* @e, i32 0, i64 2), align 4
  %add6 = add nsw i32 %10, %11
  %add7 = add nsw i32 %add5, %add6
  store i32 %add7, i32* getelementptr inbounds ([4 x i32]* @a, i32 0, i64 2), align 4
  %12 = load i32* getelementptr inbounds ([4 x i32]* @b, i32 0, i64 3), align 4
  %13 = load i32* getelementptr inbounds ([4 x i32]* @c, i32 0, i64 3), align 4
  %add8 = add nsw i32 %12, %13
  %14 = load i32* getelementptr inbounds ([4 x i32]* @d, i32 0, i64 3), align 4
  %15 = load i32* getelementptr inbounds ([4 x i32]* @e, i32 0, i64 3), align 4
  %add9 = add nsw i32 %14, %15
  %sub10 = sub nsw i32 %add8, %add9
  store i32 %sub10, i32* getelementptr inbounds ([4 x i32]* @a, i32 0, i64 3), align 4
  ret void
}

; CHECK-LABEL: @subadd
; CHECK:  %5 = add nsw <4 x i32> %3, %4
; CHECK:  %6 = sub nsw <4 x i32> %2, %5
; CHECK:  %7 = add nsw <4 x i32> %2, %5
; CHECK:  %8 = shufflevector <4 x i32> %6, <4 x i32> %7, <4 x i32> <i32 0, i32 5, i32 2, i32 7>

; Function Attrs: nounwind uwtable
define void @subadd() #0 {
entry:
  %0 = load i32* getelementptr inbounds ([4 x i32]* @b, i32 0, i64 0), align 4
  %1 = load i32* getelementptr inbounds ([4 x i32]* @c, i32 0, i64 0), align 4
  %add = add nsw i32 %0, %1
  %2 = load i32* getelementptr inbounds ([4 x i32]* @d, i32 0, i64 0), align 4
  %3 = load i32* getelementptr inbounds ([4 x i32]* @e, i32 0, i64 0), align 4
  %add1 = add nsw i32 %2, %3
  %sub = sub nsw i32 %add, %add1
  store i32 %sub, i32* getelementptr inbounds ([4 x i32]* @a, i32 0, i64 0), align 4
  %4 = load i32* getelementptr inbounds ([4 x i32]* @b, i32 0, i64 1), align 4
  %5 = load i32* getelementptr inbounds ([4 x i32]* @c, i32 0, i64 1), align 4
  %add2 = add nsw i32 %4, %5
  %6 = load i32* getelementptr inbounds ([4 x i32]* @d, i32 0, i64 1), align 4
  %7 = load i32* getelementptr inbounds ([4 x i32]* @e, i32 0, i64 1), align 4
  %add3 = add nsw i32 %6, %7
  %add4 = add nsw i32 %add2, %add3
  store i32 %add4, i32* getelementptr inbounds ([4 x i32]* @a, i32 0, i64 1), align 4
  %8 = load i32* getelementptr inbounds ([4 x i32]* @b, i32 0, i64 2), align 4
  %9 = load i32* getelementptr inbounds ([4 x i32]* @c, i32 0, i64 2), align 4
  %add5 = add nsw i32 %8, %9
  %10 = load i32* getelementptr inbounds ([4 x i32]* @d, i32 0, i64 2), align 4
  %11 = load i32* getelementptr inbounds ([4 x i32]* @e, i32 0, i64 2), align 4
  %add6 = add nsw i32 %10, %11
  %sub7 = sub nsw i32 %add5, %add6
  store i32 %sub7, i32* getelementptr inbounds ([4 x i32]* @a, i32 0, i64 2), align 4
  %12 = load i32* getelementptr inbounds ([4 x i32]* @b, i32 0, i64 3), align 4
  %13 = load i32* getelementptr inbounds ([4 x i32]* @c, i32 0, i64 3), align 4
  %add8 = add nsw i32 %12, %13
  %14 = load i32* getelementptr inbounds ([4 x i32]* @d, i32 0, i64 3), align 4
  %15 = load i32* getelementptr inbounds ([4 x i32]* @e, i32 0, i64 3), align 4
  %add9 = add nsw i32 %14, %15
  %add10 = add nsw i32 %add8, %add9
  store i32 %add10, i32* getelementptr inbounds ([4 x i32]* @a, i32 0, i64 3), align 4
  ret void
}

; CHECK-LABEL: @faddfsub
; CHECK: %2 = fadd <4 x float> %0, %1
; CHECK: %3 = fsub <4 x float> %0, %1
; CHECK: %4 = shufflevector <4 x float> %2, <4 x float> %3, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
; Function Attrs: nounwind uwtable
define void @faddfsub() #0 {
entry:
  %0 = load float* getelementptr inbounds ([4 x float]* @fb, i32 0, i64 0), align 4
  %1 = load float* getelementptr inbounds ([4 x float]* @fc, i32 0, i64 0), align 4
  %add = fadd float %0, %1
  store float %add, float* getelementptr inbounds ([4 x float]* @fa, i32 0, i64 0), align 4
  %2 = load float* getelementptr inbounds ([4 x float]* @fb, i32 0, i64 1), align 4
  %3 = load float* getelementptr inbounds ([4 x float]* @fc, i32 0, i64 1), align 4
  %sub = fsub float %2, %3
  store float %sub, float* getelementptr inbounds ([4 x float]* @fa, i32 0, i64 1), align 4
  %4 = load float* getelementptr inbounds ([4 x float]* @fb, i32 0, i64 2), align 4
  %5 = load float* getelementptr inbounds ([4 x float]* @fc, i32 0, i64 2), align 4
  %add1 = fadd float %4, %5
  store float %add1, float* getelementptr inbounds ([4 x float]* @fa, i32 0, i64 2), align 4
  %6 = load float* getelementptr inbounds ([4 x float]* @fb, i32 0, i64 3), align 4
  %7 = load float* getelementptr inbounds ([4 x float]* @fc, i32 0, i64 3), align 4
  %sub2 = fsub float %6, %7
  store float %sub2, float* getelementptr inbounds ([4 x float]* @fa, i32 0, i64 3), align 4
  ret void
}

; CHECK-LABEL: @fsubfadd
; CHECK: %2 = fsub <4 x float> %0, %1
; CHECK: %3 = fadd <4 x float> %0, %1
; CHECK: %4 = shufflevector <4 x float> %2, <4 x float> %3, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
; Function Attrs: nounwind uwtable
define void @fsubfadd() #0 {
entry:
  %0 = load float* getelementptr inbounds ([4 x float]* @fb, i32 0, i64 0), align 4
  %1 = load float* getelementptr inbounds ([4 x float]* @fc, i32 0, i64 0), align 4
  %sub = fsub float %0, %1
  store float %sub, float* getelementptr inbounds ([4 x float]* @fa, i32 0, i64 0), align 4
  %2 = load float* getelementptr inbounds ([4 x float]* @fb, i32 0, i64 1), align 4
  %3 = load float* getelementptr inbounds ([4 x float]* @fc, i32 0, i64 1), align 4
  %add = fadd float %2, %3
  store float %add, float* getelementptr inbounds ([4 x float]* @fa, i32 0, i64 1), align 4
  %4 = load float* getelementptr inbounds ([4 x float]* @fb, i32 0, i64 2), align 4
  %5 = load float* getelementptr inbounds ([4 x float]* @fc, i32 0, i64 2), align 4
  %sub1 = fsub float %4, %5
  store float %sub1, float* getelementptr inbounds ([4 x float]* @fa, i32 0, i64 2), align 4
  %6 = load float* getelementptr inbounds ([4 x float]* @fb, i32 0, i64 3), align 4
  %7 = load float* getelementptr inbounds ([4 x float]* @fc, i32 0, i64 3), align 4
  %add2 = fadd float %6, %7
  store float %add2, float* getelementptr inbounds ([4 x float]* @fa, i32 0, i64 3), align 4
  ret void
}

; CHECK-LABEL: @No_faddfsub
; CHECK-NOT: fadd <4 x float>
; CHECK-NOT: fsub <4 x float>
; CHECK-NOT: shufflevector
; Function Attrs: nounwind uwtable
define void @No_faddfsub() #0 {
entry:
  %0 = load float* getelementptr inbounds ([4 x float]* @fb, i32 0, i64 0), align 4
  %1 = load float* getelementptr inbounds ([4 x float]* @fc, i32 0, i64 0), align 4
  %add = fadd float %0, %1
  store float %add, float* getelementptr inbounds ([4 x float]* @fa, i32 0, i64 0), align 4
  %2 = load float* getelementptr inbounds ([4 x float]* @fb, i32 0, i64 1), align 4
  %3 = load float* getelementptr inbounds ([4 x float]* @fc, i32 0, i64 1), align 4
  %add1 = fadd float %2, %3
  store float %add1, float* getelementptr inbounds ([4 x float]* @fa, i32 0, i64 1), align 4
  %4 = load float* getelementptr inbounds ([4 x float]* @fb, i32 0, i64 2), align 4
  %5 = load float* getelementptr inbounds ([4 x float]* @fc, i32 0, i64 2), align 4
  %add2 = fadd float %4, %5
  store float %add2, float* getelementptr inbounds ([4 x float]* @fa, i32 0, i64 2), align 4
  %6 = load float* getelementptr inbounds ([4 x float]* @fb, i32 0, i64 3), align 4
  %7 = load float* getelementptr inbounds ([4 x float]* @fc, i32 0, i64 3), align 4
  %sub = fsub float %6, %7
  store float %sub, float* getelementptr inbounds ([4 x float]* @fa, i32 0, i64 3), align 4
  ret void
}

attributes #0 = { nounwind }