addsub.ll
24.6 KB
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -basic-aa -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
@fd = common global [4 x float] zeroinitializer, align 16
; Function Attrs: nounwind uwtable
define void @addsub() #0 {
; CHECK-LABEL: @addsub(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = load <4 x i32>, <4 x i32>* bitcast ([4 x i32]* @b to <4 x i32>*), align 4
; CHECK-NEXT: [[TMP1:%.*]] = load <4 x i32>, <4 x i32>* bitcast ([4 x i32]* @c to <4 x i32>*), align 4
; CHECK-NEXT: [[TMP2:%.*]] = add nsw <4 x i32> [[TMP0]], [[TMP1]]
; CHECK-NEXT: [[TMP3:%.*]] = load <4 x i32>, <4 x i32>* bitcast ([4 x i32]* @d to <4 x i32>*), align 4
; CHECK-NEXT: [[TMP4:%.*]] = load <4 x i32>, <4 x i32>* bitcast ([4 x i32]* @e to <4 x i32>*), align 4
; CHECK-NEXT: [[TMP5:%.*]] = add nsw <4 x i32> [[TMP3]], [[TMP4]]
; CHECK-NEXT: [[TMP6:%.*]] = add nsw <4 x i32> [[TMP2]], [[TMP5]]
; CHECK-NEXT: [[TMP7:%.*]] = sub nsw <4 x i32> [[TMP2]], [[TMP5]]
; CHECK-NEXT: [[TMP8:%.*]] = shufflevector <4 x i32> [[TMP6]], <4 x i32> [[TMP7]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
; CHECK-NEXT: store <4 x i32> [[TMP8]], <4 x i32>* bitcast ([4 x i32]* @a to <4 x i32>*), align 4
; CHECK-NEXT: ret void
;
entry:
%0 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @b, i32 0, i64 0), align 4
%1 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @c, i32 0, i64 0), align 4
%add = add nsw i32 %0, %1
%2 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @d, i32 0, i64 0), align 4
%3 = load i32, i32* getelementptr inbounds ([4 x i32], [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], [4 x i32]* @a, i32 0, i64 0), align 4
%4 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @b, i32 0, i64 1), align 4
%5 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @c, i32 0, i64 1), align 4
%add3 = add nsw i32 %4, %5
%6 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @d, i32 0, i64 1), align 4
%7 = load i32, i32* getelementptr inbounds ([4 x i32], [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], [4 x i32]* @a, i32 0, i64 1), align 4
%8 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @b, i32 0, i64 2), align 4
%9 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @c, i32 0, i64 2), align 4
%add5 = add nsw i32 %8, %9
%10 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @d, i32 0, i64 2), align 4
%11 = load i32, i32* getelementptr inbounds ([4 x i32], [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], [4 x i32]* @a, i32 0, i64 2), align 4
%12 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @b, i32 0, i64 3), align 4
%13 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @c, i32 0, i64 3), align 4
%add8 = add nsw i32 %12, %13
%14 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @d, i32 0, i64 3), align 4
%15 = load i32, i32* getelementptr inbounds ([4 x i32], [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], [4 x i32]* @a, i32 0, i64 3), align 4
ret void
}
; Function Attrs: nounwind uwtable
define void @subadd() #0 {
; CHECK-LABEL: @subadd(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = load <4 x i32>, <4 x i32>* bitcast ([4 x i32]* @b to <4 x i32>*), align 4
; CHECK-NEXT: [[TMP1:%.*]] = load <4 x i32>, <4 x i32>* bitcast ([4 x i32]* @c to <4 x i32>*), align 4
; CHECK-NEXT: [[TMP2:%.*]] = add nsw <4 x i32> [[TMP0]], [[TMP1]]
; CHECK-NEXT: [[TMP3:%.*]] = load <4 x i32>, <4 x i32>* bitcast ([4 x i32]* @d to <4 x i32>*), align 4
; CHECK-NEXT: [[TMP4:%.*]] = load <4 x i32>, <4 x i32>* bitcast ([4 x i32]* @e to <4 x i32>*), align 4
; CHECK-NEXT: [[TMP5:%.*]] = add nsw <4 x i32> [[TMP3]], [[TMP4]]
; CHECK-NEXT: [[TMP6:%.*]] = sub nsw <4 x i32> [[TMP2]], [[TMP5]]
; CHECK-NEXT: [[TMP7:%.*]] = add nsw <4 x i32> [[TMP2]], [[TMP5]]
; CHECK-NEXT: [[TMP8:%.*]] = shufflevector <4 x i32> [[TMP6]], <4 x i32> [[TMP7]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
; CHECK-NEXT: store <4 x i32> [[TMP8]], <4 x i32>* bitcast ([4 x i32]* @a to <4 x i32>*), align 4
; CHECK-NEXT: ret void
;
entry:
%0 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @b, i32 0, i64 0), align 4
%1 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @c, i32 0, i64 0), align 4
%add = add nsw i32 %0, %1
%2 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @d, i32 0, i64 0), align 4
%3 = load i32, i32* getelementptr inbounds ([4 x i32], [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], [4 x i32]* @a, i32 0, i64 0), align 4
%4 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @b, i32 0, i64 1), align 4
%5 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @c, i32 0, i64 1), align 4
%add2 = add nsw i32 %4, %5
%6 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @d, i32 0, i64 1), align 4
%7 = load i32, i32* getelementptr inbounds ([4 x i32], [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], [4 x i32]* @a, i32 0, i64 1), align 4
%8 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @b, i32 0, i64 2), align 4
%9 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @c, i32 0, i64 2), align 4
%add5 = add nsw i32 %8, %9
%10 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @d, i32 0, i64 2), align 4
%11 = load i32, i32* getelementptr inbounds ([4 x i32], [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], [4 x i32]* @a, i32 0, i64 2), align 4
%12 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @b, i32 0, i64 3), align 4
%13 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @c, i32 0, i64 3), align 4
%add8 = add nsw i32 %12, %13
%14 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @d, i32 0, i64 3), align 4
%15 = load i32, i32* getelementptr inbounds ([4 x i32], [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], [4 x i32]* @a, i32 0, i64 3), align 4
ret void
}
; Function Attrs: nounwind uwtable
define void @faddfsub() #0 {
; CHECK-LABEL: @faddfsub(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = load <4 x float>, <4 x float>* bitcast ([4 x float]* @fb to <4 x float>*), align 4
; CHECK-NEXT: [[TMP1:%.*]] = load <4 x float>, <4 x float>* bitcast ([4 x float]* @fc to <4 x float>*), align 4
; CHECK-NEXT: [[TMP2:%.*]] = fadd <4 x float> [[TMP0]], [[TMP1]]
; CHECK-NEXT: [[TMP3:%.*]] = fsub <4 x float> [[TMP0]], [[TMP1]]
; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <4 x float> [[TMP2]], <4 x float> [[TMP3]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
; CHECK-NEXT: store <4 x float> [[TMP4]], <4 x float>* bitcast ([4 x float]* @fa to <4 x float>*), align 4
; CHECK-NEXT: ret void
;
entry:
%0 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 0), align 4
%1 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 0), align 4
%add = fadd float %0, %1
store float %add, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 0), align 4
%2 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 1), align 4
%3 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 1), align 4
%sub = fsub float %2, %3
store float %sub, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 1), align 4
%4 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 2), align 4
%5 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 2), align 4
%add1 = fadd float %4, %5
store float %add1, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 2), align 4
%6 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 3), align 4
%7 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 3), align 4
%sub2 = fsub float %6, %7
store float %sub2, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 3), align 4
ret void
}
; Function Attrs: nounwind uwtable
define void @fsubfadd() #0 {
; CHECK-LABEL: @fsubfadd(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = load <4 x float>, <4 x float>* bitcast ([4 x float]* @fb to <4 x float>*), align 4
; CHECK-NEXT: [[TMP1:%.*]] = load <4 x float>, <4 x float>* bitcast ([4 x float]* @fc to <4 x float>*), align 4
; CHECK-NEXT: [[TMP2:%.*]] = fsub <4 x float> [[TMP0]], [[TMP1]]
; CHECK-NEXT: [[TMP3:%.*]] = fadd <4 x float> [[TMP0]], [[TMP1]]
; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <4 x float> [[TMP2]], <4 x float> [[TMP3]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
; CHECK-NEXT: store <4 x float> [[TMP4]], <4 x float>* bitcast ([4 x float]* @fa to <4 x float>*), align 4
; CHECK-NEXT: ret void
;
entry:
%0 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 0), align 4
%1 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 0), align 4
%sub = fsub float %0, %1
store float %sub, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 0), align 4
%2 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 1), align 4
%3 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 1), align 4
%add = fadd float %2, %3
store float %add, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 1), align 4
%4 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 2), align 4
%5 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 2), align 4
%sub1 = fsub float %4, %5
store float %sub1, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 2), align 4
%6 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 3), align 4
%7 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 3), align 4
%add2 = fadd float %6, %7
store float %add2, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 3), align 4
ret void
}
; Function Attrs: nounwind uwtable
define void @faddfsub_select() #0 {
; CHECK-LABEL: @faddfsub_select(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = load <4 x float>, <4 x float>* bitcast ([4 x float]* @fb to <4 x float>*), align 4
; CHECK-NEXT: [[TMP1:%.*]] = load <4 x float>, <4 x float>* bitcast ([4 x float]* @fc to <4 x float>*), align 4
; CHECK-NEXT: [[TMP2:%.*]] = fadd <4 x float> [[TMP0]], [[TMP1]]
; CHECK-NEXT: [[TMP3:%.*]] = fsub <4 x float> [[TMP0]], [[TMP1]]
; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <4 x float> [[TMP2]], <4 x float> [[TMP3]], <4 x i32> <i32 0, i32 1, i32 2, i32 7>
; CHECK-NEXT: store <4 x float> [[TMP4]], <4 x float>* bitcast ([4 x float]* @fa to <4 x float>*), align 4
; CHECK-NEXT: ret void
;
entry:
%0 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 0), align 4
%1 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 0), align 4
%add = fadd float %0, %1
store float %add, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 0), align 4
%2 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 1), align 4
%3 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 1), align 4
%add1 = fadd float %2, %3
store float %add1, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 1), align 4
%4 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 2), align 4
%5 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 2), align 4
%add2 = fadd float %4, %5
store float %add2, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 2), align 4
%6 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 3), align 4
%7 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 3), align 4
%sub = fsub float %6, %7
store float %sub, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 3), align 4
ret void
}
; Check vectorization of following code for float data type-
; fc[0] = fb[0]+fa[0]; //swapped fb and fa
; fc[1] = fa[1]-fb[1];
; fc[2] = fa[2]+fb[2];
; fc[3] = fa[3]-fb[3];
define void @reorder_alt() #0 {
; CHECK-LABEL: @reorder_alt(
; CHECK-NEXT: [[TMP1:%.*]] = load <4 x float>, <4 x float>* bitcast ([4 x float]* @fa to <4 x float>*), align 4
; CHECK-NEXT: [[TMP2:%.*]] = load <4 x float>, <4 x float>* bitcast ([4 x float]* @fb to <4 x float>*), align 4
; CHECK-NEXT: [[TMP3:%.*]] = fadd <4 x float> [[TMP1]], [[TMP2]]
; CHECK-NEXT: [[TMP4:%.*]] = fsub <4 x float> [[TMP1]], [[TMP2]]
; CHECK-NEXT: [[TMP5:%.*]] = shufflevector <4 x float> [[TMP3]], <4 x float> [[TMP4]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
; CHECK-NEXT: store <4 x float> [[TMP5]], <4 x float>* bitcast ([4 x float]* @fc to <4 x float>*), align 4
; CHECK-NEXT: ret void
;
%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]* @fa, i32 0, i64 3), align 4
%11 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, 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
}
; Check vectorization of following code for float data type-
; fc[0] = fa[0]+(fb[0]-fd[0]);
; fc[1] = fa[1]-(fb[1]+fd[1]);
; fc[2] = fa[2]+(fb[2]-fd[2]);
; fc[3] = fa[3]-(fd[3]+fb[3]); //swapped fd and fb
define void @reorder_alt_subTree() #0 {
; CHECK-LABEL: @reorder_alt_subTree(
; CHECK-NEXT: [[TMP1:%.*]] = load <4 x float>, <4 x float>* bitcast ([4 x float]* @fa to <4 x float>*), align 4
; CHECK-NEXT: [[TMP2:%.*]] = load <4 x float>, <4 x float>* bitcast ([4 x float]* @fd to <4 x float>*), align 4
; CHECK-NEXT: [[TMP3:%.*]] = load <4 x float>, <4 x float>* bitcast ([4 x float]* @fb to <4 x float>*), align 4
; CHECK-NEXT: [[TMP4:%.*]] = fsub <4 x float> [[TMP3]], [[TMP2]]
; CHECK-NEXT: [[TMP5:%.*]] = fadd <4 x float> [[TMP3]], [[TMP2]]
; CHECK-NEXT: [[TMP6:%.*]] = shufflevector <4 x float> [[TMP4]], <4 x float> [[TMP5]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
; CHECK-NEXT: [[TMP7:%.*]] = fadd <4 x float> [[TMP1]], [[TMP6]]
; CHECK-NEXT: [[TMP8:%.*]] = fsub <4 x float> [[TMP1]], [[TMP6]]
; CHECK-NEXT: [[TMP9:%.*]] = shufflevector <4 x float> [[TMP7]], <4 x float> [[TMP8]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
; CHECK-NEXT: store <4 x float> [[TMP9]], <4 x float>* bitcast ([4 x float]* @fc to <4 x float>*), align 4
; CHECK-NEXT: ret void
;
%1 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 0), align 4
%2 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 0), align 4
%3 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fd, i32 0, i64 0), align 4
%4 = fsub float %2, %3
%5 = fadd float %1, %4
store float %5, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 0), align 4
%6 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 1), align 4
%7 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 1), align 4
%8 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fd, i32 0, i64 1), align 4
%9 = fadd float %7, %8
%10 = fsub float %6, %9
store float %10, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 1), align 4
%11 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 2), align 4
%12 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 2), align 4
%13 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fd, i32 0, i64 2), align 4
%14 = fsub float %12, %13
%15 = fadd float %11, %14
store float %15, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 2), align 4
%16 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 3), align 4
%17 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fd, i32 0, i64 3), align 4
%18 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 3), align 4
%19 = fadd float %17, %18
%20 = fsub float %16, %19
store float %20, float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 3), align 4
ret void
}
; Check vectorization of following code for double data type-
; c[0] = (a[0]+b[0])-d[0];
; c[1] = d[1]+(a[1]+b[1]); //swapped d[1] and (a[1]+b[1])
define void @reorder_alt_rightsubTree(double* nocapture %c, double* noalias nocapture readonly %a, double* noalias nocapture readonly %b, double* noalias nocapture readonly %d) {
; CHECK-LABEL: @reorder_alt_rightsubTree(
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds double, double* [[D:%.*]], i64 1
; CHECK-NEXT: [[TMP2:%.*]] = bitcast double* [[D]] to <2 x double>*
; CHECK-NEXT: [[TMP3:%.*]] = load <2 x double>, <2 x double>* [[TMP2]], align 8
; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds double, double* [[A:%.*]], i64 1
; CHECK-NEXT: [[TMP5:%.*]] = bitcast double* [[A]] to <2 x double>*
; CHECK-NEXT: [[TMP6:%.*]] = load <2 x double>, <2 x double>* [[TMP5]], align 8
; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds double, double* [[B:%.*]], i64 1
; CHECK-NEXT: [[TMP8:%.*]] = bitcast double* [[B]] to <2 x double>*
; CHECK-NEXT: [[TMP9:%.*]] = load <2 x double>, <2 x double>* [[TMP8]], align 8
; CHECK-NEXT: [[TMP10:%.*]] = fadd <2 x double> [[TMP6]], [[TMP9]]
; CHECK-NEXT: [[TMP11:%.*]] = fsub <2 x double> [[TMP10]], [[TMP3]]
; CHECK-NEXT: [[TMP12:%.*]] = fadd <2 x double> [[TMP10]], [[TMP3]]
; CHECK-NEXT: [[TMP13:%.*]] = shufflevector <2 x double> [[TMP11]], <2 x double> [[TMP12]], <2 x i32> <i32 0, i32 3>
; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds double, double* [[C:%.*]], i64 1
; CHECK-NEXT: [[TMP15:%.*]] = bitcast double* [[C]] to <2 x double>*
; CHECK-NEXT: store <2 x double> [[TMP13]], <2 x double>* [[TMP15]], align 8
; CHECK-NEXT: ret void
;
%1 = load double, double* %a
%2 = load double, double* %b
%3 = fadd double %1, %2
%4 = load double, double* %d
%5 = fsub double %3, %4
store double %5, double* %c
%6 = getelementptr inbounds double, double* %d, i64 1
%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.
define void @no_vec_shuff_reorder() #0 {
; CHECK-LABEL: @no_vec_shuff_reorder(
; CHECK-NEXT: [[TMP1:%.*]] = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 0), align 4
; CHECK-NEXT: [[TMP2:%.*]] = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 0), align 4
; CHECK-NEXT: [[TMP3:%.*]] = fadd float [[TMP1]], [[TMP2]]
; CHECK-NEXT: store float [[TMP3]], float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 0), align 4
; CHECK-NEXT: [[TMP4:%.*]] = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 1), align 4
; CHECK-NEXT: [[TMP5:%.*]] = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 1), align 4
; CHECK-NEXT: [[TMP6:%.*]] = fsub float [[TMP4]], [[TMP5]]
; CHECK-NEXT: store float [[TMP6]], float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 1), align 4
; CHECK-NEXT: [[TMP7:%.*]] = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 2), align 4
; CHECK-NEXT: [[TMP8:%.*]] = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 2), align 4
; CHECK-NEXT: [[TMP9:%.*]] = fadd float [[TMP7]], [[TMP8]]
; CHECK-NEXT: store float [[TMP9]], float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 2), align 4
; CHECK-NEXT: [[TMP10:%.*]] = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fb, i32 0, i64 3), align 4
; CHECK-NEXT: [[TMP11:%.*]] = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @fa, i32 0, i64 3), align 4
; CHECK-NEXT: [[TMP12:%.*]] = fsub float [[TMP10]], [[TMP11]]
; CHECK-NEXT: store float [[TMP12]], float* getelementptr inbounds ([4 x float], [4 x float]* @fc, i32 0, i64 3), align 4
; CHECK-NEXT: ret void
;
%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 }