interleaved-accesses-extract-user.ll
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; RUN: opt < %s -mattr=+neon -interleaved-access -S | FileCheck %s
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
target triple = "arm---eabi"
define void @extract_user_basic(<8 x i32>* %ptr, i1 %c) {
; CHECK-LABEL: @extract_user_basic(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = bitcast <8 x i32>* %ptr to i8*
; CHECK-NEXT: [[VLDN:%.*]] = call { <4 x i32>, <4 x i32> } @llvm.arm.neon.vld2.v4i32.p0i8(i8* [[TMP0]], i32 8)
; CHECK-NEXT: [[TMP1:%.*]] = extractvalue { <4 x i32>, <4 x i32> } [[VLDN]], 0
; CHECK-NEXT: br i1 %c, label %if.then, label %if.merge
; CHECK: if.then:
; CHECK-NEXT: [[TMP2:%.*]] = extractelement <4 x i32> [[TMP1]], i64 1
; CHECK-NEXT: br label %if.merge
; CHECK: if.merge:
; CHECK-NEXT: ret void
;
entry:
%interleaved.vec = load <8 x i32>, <8 x i32>* %ptr, align 8
%v0 = shufflevector <8 x i32> %interleaved.vec, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
br i1 %c, label %if.then, label %if.merge
if.then:
%e0 = extractelement <8 x i32> %interleaved.vec, i32 2
br label %if.merge
if.merge:
ret void
}
define void @extract_user_multi(<8 x i32>* %ptr, i1 %c) {
; CHECK-LABEL: @extract_user_multi(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = bitcast <8 x i32>* %ptr to i8*
; CHECK-NEXT: [[VLDN:%.*]] = call { <4 x i32>, <4 x i32> } @llvm.arm.neon.vld2.v4i32.p0i8(i8* [[TMP0]], i32 8)
; CHECK-NEXT: [[TMP1:%.*]] = extractvalue { <4 x i32>, <4 x i32> } [[VLDN]], 0
; CHECK-NEXT: br i1 %c, label %if.then, label %if.merge
; CHECK: if.then:
; CHECK-NEXT: [[TMP2:%.*]] = extractelement <4 x i32> [[TMP1]], i64 0
; CHECK-NEXT: br label %if.merge
; CHECK: if.merge:
; CHECK-NEXT: [[TMP3:%.*]] = extractelement <4 x i32> [[TMP1]], i64 1
; CHECK-NEXT: ret void
;
entry:
%interleaved.vec = load <8 x i32>, <8 x i32>* %ptr, align 8
%v0 = shufflevector <8 x i32> %interleaved.vec, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
br i1 %c, label %if.then, label %if.merge
if.then:
%e0 = extractelement <8 x i32> %interleaved.vec, i32 0
br label %if.merge
if.merge:
%e1 = extractelement <8 x i32> %interleaved.vec, i32 2
ret void
}
define void @extract_user_multi_no_dom(<8 x i32>* %ptr, i1 %c) {
; CHECK-LABEL: @extract_user_multi_no_dom(
; CHECK-NOT: @llvm.arm.neon
; CHECK: ret void
;
entry:
%interleaved.vec = load <8 x i32>, <8 x i32>* %ptr, align 8
%e0 = extractelement <8 x i32> %interleaved.vec, i32 0
br i1 %c, label %if.then, label %if.merge
if.then:
%v0 = shufflevector <8 x i32> %interleaved.vec, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
%e1 = extractelement <8 x i32> %interleaved.vec, i32 2
br label %if.merge
if.merge:
ret void
}
define void @extract_user_wrong_const_index(<8 x i32>* %ptr) {
; CHECK-LABEL: @extract_user_wrong_const_index(
; CHECK-NOT: @llvm.arm.neon
; CHECK: ret void
;
entry:
%interleaved.vec = load <8 x i32>, <8 x i32>* %ptr, align 8
%v0 = shufflevector <8 x i32> %interleaved.vec, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
%e0 = extractelement <8 x i32> %interleaved.vec, i32 1
ret void
}
define void @extract_user_undef_index(<8 x i32>* %ptr) {
; CHECK-LABEL: @extract_user_undef_index(
; CHECK-NOT: @llvm.arm.neon
; CHECK: ret void
;
entry:
%interleaved.vec = load <8 x i32>, <8 x i32>* %ptr, align 8
%v0 = shufflevector <8 x i32> %interleaved.vec, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
%e0 = extractelement <8 x i32> %interleaved.vec, i32 undef
ret void
}
define void @extract_user_var_index(<8 x i32>* %ptr, i32 %i) {
; CHECK-LABEL: @extract_user_var_index(
; CHECK-NOT: @llvm.arm.neon
; CHECK: ret void
;
entry:
%interleaved.vec = load <8 x i32>, <8 x i32>* %ptr, align 8
%v0 = shufflevector <8 x i32> %interleaved.vec, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
%e0 = extractelement <8 x i32> %interleaved.vec, i32 %i
ret void
}