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llvm-project/llvm/test/Transforms/CodeGenPrepare/ARM/sink-add-mul-shufflevector.ll

220 lines
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LLVM
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; RUN: opt -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve.fp < %s -codegenprepare -S | FileCheck -check-prefix=CHECK %s
define void @sink_add_mul(i32* %s1, i32 %x, i32* %d, i32 %n) {
; CHECK-LABEL: @sink_add_mul(
; CHECK: vector.ph:
; CHECK-NOT: %{{.*}} = insertelement <4 x i32> undef, i32 %{{.*}}, i32 0
; CHECK-NOT: %{{.*}} = shufflevector <4 x i32> %{{.*}}, <4 x i32> undef, <4 x i32> zeroinitializer
; CHECK: vector.body:
; CHECK: [[TMP2:%.*]] = insertelement <4 x i32> undef, i32 [[X:%.*]], i32 0
; CHECK: [[TMP3:%.*]] = shufflevector <4 x i32> [[TMP2]], <4 x i32> undef, <4 x i32> zeroinitializer
;
entry:
%cmp6 = icmp sgt i32 %n, 0
br i1 %cmp6, label %vector.ph, label %for.cond.cleanup
vector.ph: ; preds = %for.body.preheader
%n.vec = and i32 %n, -4
%broadcast.splatinsert8 = insertelement <4 x i32> undef, i32 %x, i32 0
%broadcast.splat9 = shufflevector <4 x i32> %broadcast.splatinsert8, <4 x i32> undef, <4 x i32> zeroinitializer
br label %vector.body
vector.body: ; preds = %vector.body, %vector.ph
%index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
%0 = getelementptr inbounds i32, i32* %s1, i32 %index
%1 = bitcast i32* %0 to <4 x i32>*
%wide.load = load <4 x i32>, <4 x i32>* %1, align 4
%2 = mul nsw <4 x i32> %wide.load, %broadcast.splat9
%3 = getelementptr inbounds i32, i32* %d, i32 %index
%4 = bitcast i32* %3 to <4 x i32>*
%wide.load10 = load <4 x i32>, <4 x i32>* %4, align 4
%5 = add nsw <4 x i32> %wide.load10, %2
%6 = bitcast i32* %3 to <4 x i32>*
store <4 x i32> %5, <4 x i32>* %6, align 4
%index.next = add i32 %index, 4
%7 = icmp eq i32 %index.next, %n.vec
br i1 %7, label %for.cond.cleanup, label %vector.body
for.cond.cleanup: ; preds = %for.body, %middle.block, %entry
ret void
}
define void @sink_add_mul_multiple(i32* %s1, i32* %s2, i32 %x, i32* %d, i32* %d2, i32 %n) {
; CHECK-LABEL: @sink_add_mul_multiple(
; CHECK: vector.ph:
; CHECK-NOT: %{{.*}} = insertelement <4 x i32> undef, i32 %{{.*}}, i32 0
; CHECK-NOT: %{{.*}} = shufflevector <4 x i32> %{{.*}}, <4 x i32> undef, <4 x i32> zeroinitializer
; CHECK: vector.body:
; CHECK: [[TMP2:%.*]] = insertelement <4 x i32> undef, i32 %x, i32 0
; CHECK: [[TMP3:%.*]] = shufflevector <4 x i32> [[TMP2]], <4 x i32> undef, <4 x i32> zeroinitializer
; CHECK: mul nsw <4 x i32> %wide.load, [[TMP3]]
; CHECK: [[TMP2b:%.*]] = insertelement <4 x i32> undef, i32 %x, i32 0
; CHECK: [[TMP3b:%.*]] = shufflevector <4 x i32> [[TMP2b]], <4 x i32> undef, <4 x i32> zeroinitializer
; CHECK: mul nsw <4 x i32> %wide.load18, [[TMP3b]]
;
entry:
%cmp13 = icmp sgt i32 %n, 0
br i1 %cmp13, label %vector.ph, label %for.cond.cleanup
vector.ph: ; preds = %for.body.preheader
%n.vec = and i32 %n, -4
%broadcast.splatinsert15 = insertelement <4 x i32> undef, i32 %x, i32 0
%broadcast.splat16 = shufflevector <4 x i32> %broadcast.splatinsert15, <4 x i32> undef, <4 x i32> zeroinitializer
br label %vector.body
vector.body: ; preds = %vector.body, %vector.ph
%index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
%0 = getelementptr inbounds i32, i32* %s1, i32 %index
%1 = bitcast i32* %0 to <4 x i32>*
%wide.load = load <4 x i32>, <4 x i32>* %1, align 4
%2 = mul nsw <4 x i32> %wide.load, %broadcast.splat16
%3 = getelementptr inbounds i32, i32* %d, i32 %index
%4 = bitcast i32* %3 to <4 x i32>*
%wide.load17 = load <4 x i32>, <4 x i32>* %4, align 4
%5 = add nsw <4 x i32> %wide.load17, %2
%6 = bitcast i32* %3 to <4 x i32>*
store <4 x i32> %5, <4 x i32>* %6, align 4
%7 = getelementptr inbounds i32, i32* %s2, i32 %index
%8 = bitcast i32* %7 to <4 x i32>*
%wide.load18 = load <4 x i32>, <4 x i32>* %8, align 4
%9 = mul nsw <4 x i32> %wide.load18, %broadcast.splat16
%10 = getelementptr inbounds i32, i32* %d2, i32 %index
%11 = bitcast i32* %10 to <4 x i32>*
%wide.load19 = load <4 x i32>, <4 x i32>* %11, align 4
%12 = add nsw <4 x i32> %wide.load19, %9
%13 = bitcast i32* %10 to <4 x i32>*
store <4 x i32> %12, <4 x i32>* %13, align 4
%index.next = add i32 %index, 4
%14 = icmp eq i32 %index.next, %n.vec
br i1 %14, label %for.cond.cleanup, label %vector.body
for.cond.cleanup: ; preds = %for.body, %middle.block, %entry
ret void
}
define void @sink_add_sub_unsinkable(i32* %s1, i32* %s2, i32 %x, i32* %d, i32* %d2, i32 %n) {
; CHECK-LABEL: @sink_add_sub_unsinkable(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP13:%.*]] = icmp sgt i32 [[N:%.*]], 0
; CHECK-NEXT: br i1 [[CMP13]], label [[VECTOR_PH:%.*]], label [[FOR_COND_CLEANUP:%.*]]
; CHECK: vector.ph:
; CHECK-NEXT: [[N_VEC:%.*]] = and i32 [[N]], -4
; CHECK-NEXT: [[BROADCAST_SPLATINSERT15:%.*]] = insertelement <4 x i32> undef, i32 [[X:%.*]], i32 0
; CHECK-NEXT: [[BROADCAST_SPLAT16:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT15]], <4 x i32> undef, <4 x i32> zeroinitializer
; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
;
entry:
%cmp13 = icmp sgt i32 %n, 0
br i1 %cmp13, label %vector.ph, label %for.cond.cleanup
vector.ph: ; preds = %for.body.preheader
%n.vec = and i32 %n, -4
%broadcast.splatinsert15 = insertelement <4 x i32> undef, i32 %x, i32 0
%broadcast.splat16 = shufflevector <4 x i32> %broadcast.splatinsert15, <4 x i32> undef, <4 x i32> zeroinitializer
br label %vector.body
vector.body: ; preds = %vector.body, %vector.ph
%index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
%0 = getelementptr inbounds i32, i32* %s1, i32 %index
%1 = bitcast i32* %0 to <4 x i32>*
%wide.load = load <4 x i32>, <4 x i32>* %1, align 4
%2 = mul nsw <4 x i32> %wide.load, %broadcast.splat16
%3 = getelementptr inbounds i32, i32* %d, i32 %index
%4 = bitcast i32* %3 to <4 x i32>*
%wide.load17 = load <4 x i32>, <4 x i32>* %4, align 4
%5 = add nsw <4 x i32> %wide.load17, %2
%6 = bitcast i32* %3 to <4 x i32>*
store <4 x i32> %5, <4 x i32>* %6, align 4
%7 = getelementptr inbounds i32, i32* %s2, i32 %index
%8 = bitcast i32* %7 to <4 x i32>*
%wide.load18 = load <4 x i32>, <4 x i32>* %8, align 4
%9 = sub nsw <4 x i32> %broadcast.splat16, %wide.load18
%10 = getelementptr inbounds i32, i32* %d2, i32 %index
%11 = bitcast i32* %10 to <4 x i32>*
%wide.load19 = load <4 x i32>, <4 x i32>* %11, align 4
%12 = add nsw <4 x i32> %wide.load19, %9
%13 = bitcast i32* %10 to <4 x i32>*
store <4 x i32> %12, <4 x i32>* %13, align 4
%index.next = add i32 %index, 4
%14 = icmp eq i32 %index.next, %n.vec
br i1 %14, label %for.cond.cleanup, label %vector.body
for.cond.cleanup: ; preds = %for.body, %middle.block, %entry
ret void
}
define void @sink_sub(i32* %s1, i32 %x, i32* %d, i32 %n) {
; CHECK-LABEL: @sink_sub(
; CHECK: vector.ph:
; CHECK-NOT: %{{.*}} = insertelement <4 x i32> undef, i32 %{{.*}}, i32 0
; CHECK-NOT: %{{.*}} = shufflevector <4 x i32> %{{.*}}, <4 x i32> undef, <4 x i32> zeroinitializer
; CHECK: vector.body:
; CHECK: [[TMP2:%.*]] = insertelement <4 x i32> undef, i32 [[X:%.*]], i32 0
; CHECK: [[TMP3:%.*]] = shufflevector <4 x i32> [[TMP2]], <4 x i32> undef, <4 x i32> zeroinitializer
;
entry:
%cmp6 = icmp sgt i32 %n, 0
br i1 %cmp6, label %vector.ph, label %for.cond.cleanup
vector.ph: ; preds = %for.body.preheader
%n.vec = and i32 %n, -4
%broadcast.splatinsert8 = insertelement <4 x i32> undef, i32 %x, i32 0
%broadcast.splat9 = shufflevector <4 x i32> %broadcast.splatinsert8, <4 x i32> undef, <4 x i32> zeroinitializer
br label %vector.body
vector.body: ; preds = %vector.body, %vector.ph
%index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
%0 = getelementptr inbounds i32, i32* %s1, i32 %index
%1 = bitcast i32* %0 to <4 x i32>*
%wide.load = load <4 x i32>, <4 x i32>* %1, align 4
%2 = sub nsw <4 x i32> %wide.load, %broadcast.splat9
%3 = getelementptr inbounds i32, i32* %d, i32 %index
%4 = bitcast i32* %3 to <4 x i32>*
store <4 x i32> %2, <4 x i32>* %4, align 4
%index.next = add i32 %index, 4
%5 = icmp eq i32 %index.next, %n.vec
br i1 %5, label %for.cond.cleanup, label %vector.body
for.cond.cleanup: ; preds = %for.body, %middle.block, %entry
ret void
}
define void @sink_sub_unsinkable(i32* %s1, i32 %x, i32* %d, i32 %n) {
entry:
; CHECK-LABEL: @sink_sub_unsinkable(
; CHECK: vector.ph:
; CHECK-NEXT: [[N_VEC:%.*]] = and i32 [[N]], -4
; CHECK-NEXT: [[BROADCAST_SPLATINSERT15:%.*]] = insertelement <4 x i32> undef, i32 [[X:%.*]], i32 0
; CHECK-NEXT: [[BROADCAST_SPLAT16:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT15]], <4 x i32> undef, <4 x i32> zeroinitializer
; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
; CHECK: vector.body:
; CHECK-NOT: %{{.*}} = insertelement <4 x i32> undef, i32 %{{.*}}, i32 0
; CHECK-NOT: %{{.*}} = shufflevector <4 x i32> %{{.*}}, <4 x i32> undef, <4 x i32> zeroinitializer
;
%cmp6 = icmp sgt i32 %n, 0
br i1 %cmp6, label %vector.ph, label %for.cond.cleanup
vector.ph: ; preds = %for.body.preheader
%n.vec = and i32 %n, -4
%broadcast.splatinsert8 = insertelement <4 x i32> undef, i32 %x, i32 0
%broadcast.splat9 = shufflevector <4 x i32> %broadcast.splatinsert8, <4 x i32> undef, <4 x i32> zeroinitializer
br label %vector.body
vector.body: ; preds = %vector.body, %vector.ph
%index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
%0 = getelementptr inbounds i32, i32* %s1, i32 %index
%1 = bitcast i32* %0 to <4 x i32>*
%wide.load = load <4 x i32>, <4 x i32>* %1, align 4
%2 = sub nsw <4 x i32> %broadcast.splat9, %wide.load
%3 = getelementptr inbounds i32, i32* %d, i32 %index
%4 = bitcast i32* %3 to <4 x i32>*
store <4 x i32> %2, <4 x i32>* %4, align 4
%index.next = add i32 %index, 4
%5 = icmp eq i32 %index.next, %n.vec
br i1 %5, label %for.cond.cleanup, label %vector.body
for.cond.cleanup: ; preds = %for.body, %middle.block, %entry
ret void
}
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