llvm/test/Transforms/PreISelIntrinsicLowering/X86/memset-pattern.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals all --version 6
; RUN: opt -mtriple=x86_64-apple-darwin10.0.0 -passes=pre-isel-intrinsic-lowering -S -o - %s | FileCheck %s

;.
; CHECK: @G = global i32 5
; CHECK: @.memset_pattern = private unnamed_addr constant [2 x ptr] [ptr @G, ptr @G], align 16
; CHECK: @.memset_pattern.1 = private unnamed_addr constant [2 x i64] [i64 -6148895925951734307, i64 -6148895925951734307], align 16
; CHECK: @.memset_pattern.2 = private unnamed_addr constant [2 x i64] [i64 4614256656552045848, i64 4614256656552045848], align 16
; CHECK: @.memset_pattern.3 = private unnamed_addr constant [8 x i16] [i16 -21555, i16 -21555, i16 -21555, i16 -21555, i16 -21555, i16 -21555, i16 -21555, i16 -21555], align 16
; CHECK: @.memset_pattern.4 = private unnamed_addr constant i128 -113427455635030943652277463699152839203, align 16
;.
define void @memset_pattern_i128_1_dynvalue(ptr %a, i128 %value) nounwind {
; CHECK-LABEL: define void @memset_pattern_i128_1_dynvalue(
; CHECK-SAME: ptr [[A:%.*]], i128 [[VALUE:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT:    br i1 false, label %[[SPLIT:.*]], label %[[LOADSTORELOOP:.*]]
; CHECK:       [[LOADSTORELOOP]]:
; CHECK-NEXT:    [[TMP1:%.*]] = phi i64 [ 0, [[TMP0:%.*]] ], [ [[TMP3:%.*]], %[[LOADSTORELOOP]] ]
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i128, ptr [[A]], i64 [[TMP1]]
; CHECK-NEXT:    store i128 [[VALUE]], ptr [[TMP2]], align 1
; CHECK-NEXT:    [[TMP3]] = add i64 [[TMP1]], 1
; CHECK-NEXT:    [[TMP4:%.*]] = icmp ult i64 [[TMP3]], 1
; CHECK-NEXT:    br i1 [[TMP4]], label %[[LOADSTORELOOP]], label %[[SPLIT]]
; CHECK:       [[SPLIT]]:
; CHECK-NEXT:    ret void
;
  tail call void @llvm.experimental.memset.pattern(ptr %a, i128 %value, i64 1, i1 false)
  ret void
}

define void @memset_pattern_i128_1(ptr %a, i128 %value) nounwind {
; CHECK-LABEL: define void @memset_pattern_i128_1(
; CHECK-SAME: ptr [[A:%.*]], i128 [[VALUE:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    call void @memset_pattern16(ptr [[A]], ptr @.memset_pattern.4, i64 16)
; CHECK-NEXT:    ret void
;
  tail call void @llvm.experimental.memset.pattern(ptr %a, i128 u0xaaaaaaaabbbbbbbbccccccccdddddddd, i64 1, i1 false)
  ret void
}

define void @memset_pattern_i128_1_nz_as(ptr addrspace(1) %a, i128 %value) nounwind {
; CHECK-LABEL: define void @memset_pattern_i128_1_nz_as(
; CHECK-SAME: ptr addrspace(1) [[A:%.*]], i128 [[VALUE:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    br i1 false, label %[[SPLIT:.*]], label %[[LOADSTORELOOP:.*]]
; CHECK:       [[LOADSTORELOOP]]:
; CHECK-NEXT:    [[TMP1:%.*]] = phi i64 [ 0, [[TMP0:%.*]] ], [ [[TMP3:%.*]], %[[LOADSTORELOOP]] ]
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i128, ptr addrspace(1) [[A]], i64 [[TMP1]]
; CHECK-NEXT:    store i128 -113427455635030943652277463699152839203, ptr addrspace(1) [[TMP2]], align 1
; CHECK-NEXT:    [[TMP3]] = add i64 [[TMP1]], 1
; CHECK-NEXT:    [[TMP4:%.*]] = icmp ult i64 [[TMP3]], 1
; CHECK-NEXT:    br i1 [[TMP4]], label %[[LOADSTORELOOP]], label %[[SPLIT]]
; CHECK:       [[SPLIT]]:
; CHECK-NEXT:    ret void
;
  tail call void @llvm.experimental.memset.pattern(ptr addrspace(1) %a, i128 u0xaaaaaaaabbbbbbbbccccccccdddddddd, i64 1, i1 false)
  ret void
}

define void @memset_pattern_i128_1_align_attr(ptr align(16) %a, i128 %value) nounwind {
; CHECK-LABEL: define void @memset_pattern_i128_1_align_attr(
; CHECK-SAME: ptr align 16 [[A:%.*]], i128 [[VALUE:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    call void @memset_pattern16(ptr align 16 [[A]], ptr @.memset_pattern.4, i64 16)
; CHECK-NEXT:    ret void
;
  tail call void @llvm.experimental.memset.pattern(ptr align(16) %a, i128 u0xaaaaaaaabbbbbbbbccccccccdddddddd, i64 1, i1 false)
  ret void
}

define void @memset_pattern_i128_16(ptr %a) nounwind {
; CHECK-LABEL: define void @memset_pattern_i128_16(
; CHECK-SAME: ptr [[A:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    call void @memset_pattern16(ptr [[A]], ptr @.memset_pattern.4, i64 256)
; CHECK-NEXT:    ret void
;
  tail call void @llvm.experimental.memset.pattern(ptr %a, i128 u0xaaaaaaaabbbbbbbbccccccccdddddddd, i64 16, i1 false)
  ret void
}

define void @memset_pattern_i128_x(ptr %a, i64 %x) nounwind {
; CHECK-LABEL: define void @memset_pattern_i128_x(
; CHECK-SAME: ptr [[A:%.*]], i64 [[X:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[TMP1:%.*]] = mul i64 16, [[X]]
; CHECK-NEXT:    call void @memset_pattern16(ptr [[A]], ptr @.memset_pattern.4, i64 [[TMP1]])
; CHECK-NEXT:    ret void
;
  tail call void @llvm.experimental.memset.pattern(ptr %a, i128 u0xaaaaaaaabbbbbbbbccccccccdddddddd, i64 %x, i1 false)
  ret void
}

define void @memset_pattern_i128_x_nonzero_as(ptr addrspace(10) %a, i64 %x) nounwind {
; CHECK-LABEL: define void @memset_pattern_i128_x_nonzero_as(
; CHECK-SAME: ptr addrspace(10) [[A:%.*]], i64 [[X:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[TMP1:%.*]] = icmp eq i64 0, [[X]]
; CHECK-NEXT:    br i1 [[TMP1]], label %[[SPLIT:.*]], label %[[LOADSTORELOOP:.*]]
; CHECK:       [[LOADSTORELOOP]]:
; CHECK-NEXT:    [[TMP2:%.*]] = phi i64 [ 0, [[TMP0:%.*]] ], [ [[TMP4:%.*]], %[[LOADSTORELOOP]] ]
; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr inbounds i128, ptr addrspace(10) [[A]], i64 [[TMP2]]
; CHECK-NEXT:    store i128 -113427455635030943652277463699152839203, ptr addrspace(10) [[TMP3]], align 1
; CHECK-NEXT:    [[TMP4]] = add i64 [[TMP2]], 1
; CHECK-NEXT:    [[TMP5:%.*]] = icmp ult i64 [[TMP4]], [[X]]
; CHECK-NEXT:    br i1 [[TMP5]], label %[[LOADSTORELOOP]], label %[[SPLIT]]
; CHECK:       [[SPLIT]]:
; CHECK-NEXT:    ret void
;
  tail call void @llvm.experimental.memset.pattern(ptr addrspace(10) %a, i128 u0xaaaaaaaabbbbbbbbccccccccdddddddd, i64 %x, i1 false)
  ret void
}

define void @memset_pattern_i16_x(ptr %a, i64 %x) nounwind {
; CHECK-LABEL: define void @memset_pattern_i16_x(
; CHECK-SAME: ptr [[A:%.*]], i64 [[X:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[TMP1:%.*]] = mul i64 2, [[X]]
; CHECK-NEXT:    call void @memset_pattern16(ptr [[A]], ptr @.memset_pattern.3, i64 [[TMP1]])
; CHECK-NEXT:    ret void
;
  tail call void @llvm.experimental.memset.pattern(ptr %a, i16 u0xabcd, i64 %x, i1 false)
  ret void
}

define void @memset_pattern_i64_x(ptr %a, i64 %x) nounwind {
; CHECK-LABEL: define void @memset_pattern_i64_x(
; CHECK-SAME: ptr [[A:%.*]], i64 [[X:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[TMP1:%.*]] = mul i64 8, [[X]]
; CHECK-NEXT:    call void @memset_pattern16(ptr [[A]], ptr @.memset_pattern.1, i64 [[TMP1]])
; CHECK-NEXT:    ret void
;
  tail call void @llvm.experimental.memset.pattern(ptr %a, i64 u0xaaaabbbbccccdddd, i64 %x, i1 false)
  ret void
}

; Demonstrate that TBAA metadata is preserved.
define void @memset_pattern_i64_128_tbaa(ptr %a) nounwind {
; CHECK-LABEL: define void @memset_pattern_i64_128_tbaa(
; CHECK-SAME: ptr [[A:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    call void @memset_pattern16(ptr [[A]], ptr @.memset_pattern.2, i64 1024), !tbaa [[DOUBLE_TBAA0:![0-9]+]]
; CHECK-NEXT:    ret void
;
  tail call void @llvm.experimental.memset.pattern(ptr %a, i64 u0x400921fb54442d18, i64 128, i1 false), !tbaa !5
  ret void
}

!5 = !{!6, !6, i64 0}
!6 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}

define void @memset_pattern_i64_narrow_idx(ptr %a, i32 %x) nounwind {
; CHECK-LABEL: define void @memset_pattern_i64_narrow_idx(
; CHECK-SAME: ptr [[A:%.*]], i32 [[X:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[TMP1:%.*]] = zext i32 [[X]] to i64
; CHECK-NEXT:    [[TMP2:%.*]] = mul i64 8, [[TMP1]]
; CHECK-NEXT:    call void @memset_pattern16(ptr [[A]], ptr @.memset_pattern.1, i64 [[TMP2]])
; CHECK-NEXT:    ret void
;
  tail call void @llvm.experimental.memset.pattern(ptr %a, i64 u0xaaaabbbbccccdddd, i32 %x, i1 false)
  ret void
}

define void @memset_pattern_i64_wide_idx(ptr %a, i128 %x) nounwind {
; CHECK-LABEL: define void @memset_pattern_i64_wide_idx(
; CHECK-SAME: ptr [[A:%.*]], i128 [[X:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[TMP1:%.*]] = trunc i128 [[X]] to i64
; CHECK-NEXT:    [[TMP2:%.*]] = mul i64 8, [[TMP1]]
; CHECK-NEXT:    call void @memset_pattern16(ptr [[A]], ptr @.memset_pattern.1, i64 [[TMP2]])
; CHECK-NEXT:    ret void
;
  tail call void @llvm.experimental.memset.pattern(ptr %a, i64 u0xaaaabbbbccccdddd, i128 %x, i1 false)
  ret void
}

@G = global i32 5

define void @memset_pattern_i64_16_fromptr(ptr %a) nounwind {
; CHECK-LABEL: define void @memset_pattern_i64_16_fromptr(
; CHECK-SAME: ptr [[A:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    call void @memset_pattern16(ptr [[A]], ptr @.memset_pattern, i64 128)
; CHECK-NEXT:    ret void
;
  tail call void @llvm.experimental.memset.pattern(ptr %a, ptr @G, i64 16, i1 false)
  ret void
}

define void @memset_pattern_i64_x_fromptr(ptr %a, i64 %x) nounwind {
; CHECK-LABEL: define void @memset_pattern_i64_x_fromptr(
; CHECK-SAME: ptr [[A:%.*]], i64 [[X:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[TMP2:%.*]] = mul i64 8, [[X]]
; CHECK-NEXT:    call void @memset_pattern16(ptr [[A]], ptr @.memset_pattern, i64 [[TMP2]])
; CHECK-NEXT:    ret void
;
  tail call void @llvm.experimental.memset.pattern(ptr %a, ptr @G, i64 %x, i1 false)
  ret void
}

; memset_pattern16 shouldn't be used for this example (at least not by just
; creating a constantarray global at compile time), as the ptr isn't constant.
define void @memset_pattern_i64_x_fromnonconstptr(ptr %a, i64 %x, ptr %p) nounwind {
; CHECK-LABEL: define void @memset_pattern_i64_x_fromnonconstptr(
; CHECK-SAME: ptr [[A:%.*]], i64 [[X:%.*]], ptr [[P:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i64 0, [[X]]
; CHECK-NEXT:    br i1 [[TMP2]], label %[[SPLIT:.*]], label %[[LOADSTORELOOP:.*]]
; CHECK:       [[LOADSTORELOOP]]:
; CHECK-NEXT:    [[TMP3:%.*]] = phi i64 [ 0, [[TMP0:%.*]] ], [ [[TMP5:%.*]], %[[LOADSTORELOOP]] ]
; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds ptr, ptr [[A]], i64 [[TMP3]]
; CHECK-NEXT:    store ptr [[P]], ptr [[TMP4]], align 1
; CHECK-NEXT:    [[TMP5]] = add i64 [[TMP3]], 1
; CHECK-NEXT:    [[TMP6:%.*]] = icmp ult i64 [[TMP5]], [[X]]
; CHECK-NEXT:    br i1 [[TMP6]], label %[[LOADSTORELOOP]], label %[[SPLIT]]
; CHECK:       [[SPLIT]]:
; CHECK-NEXT:    ret void
;
  tail call void @llvm.experimental.memset.pattern(ptr %a, ptr %p, i64 %x, i1 false)
  ret void
}

;.
; CHECK: attributes #[[ATTR0]] = { nounwind }
; CHECK: attributes #[[ATTR1:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: write) }
; CHECK: attributes #[[ATTR2:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
;.
; CHECK: [[DOUBLE_TBAA0]] = !{[[META1:![0-9]+]], [[META1]], i64 0}
; CHECK: [[META1]] = !{!"double", [[META2:![0-9]+]], i64 0}
; CHECK: [[META2]] = !{!"omnipotent char", [[META3:![0-9]+]], i64 0}
; CHECK: [[META3]] = !{!"Simple C++ TBAA"}
;.