Codebase Browser
llvm
Go to App

llvm/llvm/test/Transforms/GVN/metadata.ll 

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals --version 2
; RUN: opt -passes=gvn -S < %s | FileCheck %s

declare void @use.ptr(ptr) memory(none)
declare void @use.i64(i64) memory(none)
declare void @use.i32(i32) memory(none)

define i32 @test1(ptr %p) {
; CHECK-LABEL: define i32 @test1
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    [[A:%.*]] = load i32, ptr [[P]], align 4, !range [[RNG0:![0-9]+]]
; CHECK-NEXT:    [[C:%.*]] = add i32 [[A]], [[A]]
; CHECK-NEXT:    ret i32 [[C]]
;
  %a = load i32, ptr %p, !range !0
  %b = load i32, ptr %p, !range !0
  %c = add i32 %a, %b
  ret i32 %c
}

define i32 @test2(ptr %p) {
; CHECK-LABEL: define i32 @test2
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    [[A:%.*]] = load i32, ptr [[P]], align 4
; CHECK-NEXT:    [[C:%.*]] = add i32 [[A]], [[A]]
; CHECK-NEXT:    ret i32 [[C]]
;
  %a = load i32, ptr %p, !range !0
  %b = load i32, ptr %p
  %c = add i32 %a, %b
  ret i32 %c
}

define i32 @test3(ptr %p) {
; CHECK-LABEL: define i32 @test3
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    [[A:%.*]] = load i32, ptr [[P]], align 4, !range [[RNG1:![0-9]+]]
; CHECK-NEXT:    [[C:%.*]] = add i32 [[A]], [[A]]
; CHECK-NEXT:    ret i32 [[C]]
;
  %a = load i32, ptr %p, !range !0
  %b = load i32, ptr %p, !range !1
  %c = add i32 %a, %b
  ret i32 %c
}

define i32 @test4(ptr %p) {
; CHECK-LABEL: define i32 @test4
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    [[A:%.*]] = load i32, ptr [[P]], align 4, !range [[RNG2:![0-9]+]]
; CHECK-NEXT:    [[C:%.*]] = add i32 [[A]], [[A]]
; CHECK-NEXT:    ret i32 [[C]]
;
  %a = load i32, ptr %p, !range !0
  %b = load i32, ptr %p, !range !2
  %c = add i32 %a, %b
  ret i32 %c
}

define i32 @test5(ptr %p) {
; CHECK-LABEL: define i32 @test5
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    [[A:%.*]] = load i32, ptr [[P]], align 4, !range [[RNG3:![0-9]+]]
; CHECK-NEXT:    [[C:%.*]] = add i32 [[A]], [[A]]
; CHECK-NEXT:    ret i32 [[C]]
;
  %a = load i32, ptr %p, !range !3
  %b = load i32, ptr %p, !range !4
  %c = add i32 %a, %b
  ret i32 %c
}

define i32 @test6(ptr %p) {
; CHECK-LABEL: define i32 @test6
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    [[A:%.*]] = load i32, ptr [[P]], align 4, !range [[RNG4:![0-9]+]]
; CHECK-NEXT:    [[C:%.*]] = add i32 [[A]], [[A]]
; CHECK-NEXT:    ret i32 [[C]]
;
  %a = load i32, ptr %p, !range !5
  %b = load i32, ptr %p, !range !6
  %c = add i32 %a, %b
  ret i32 %c
}

define i32 @test7(ptr %p) {
; CHECK-LABEL: define i32 @test7
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    [[A:%.*]] = load i32, ptr [[P]], align 4, !range [[RNG5:![0-9]+]]
; CHECK-NEXT:    [[C:%.*]] = add i32 [[A]], [[A]]
; CHECK-NEXT:    ret i32 [[C]]
;
  %a = load i32, ptr %p, !range !7
  %b = load i32, ptr %p, !range !8
  %c = add i32 %a, %b
  ret i32 %c
}

define i32 @test8(ptr %p) {
; CHECK-LABEL: define i32 @test8
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    [[A:%.*]] = load i32, ptr [[P]], align 4
; CHECK-NEXT:    [[C:%.*]] = add i32 [[A]], [[A]]
; CHECK-NEXT:    ret i32 [[C]]
;
  %a = load i32, ptr %p, !range !9
  %b = load i32, ptr %p, !range !10
  %c = add i32 %a, %b
  ret i32 %c
}

define i32 @load_noundef_load(ptr %p) {
; CHECK-LABEL: define i32 @load_noundef_load
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    [[A:%.*]] = load i32, ptr [[P]], align 4, !range [[RNG0]], !noundef !6
; CHECK-NEXT:    [[C:%.*]] = add i32 [[A]], [[A]]
; CHECK-NEXT:    ret i32 [[C]]
;
  %a = load i32, ptr %p, !range !0, !noundef !11
  %b = load i32, ptr %p, !range !1
  %c = add i32 %a, %b
  ret i32 %c
}

define i32 @load_load_noundef(ptr %p) {
; CHECK-LABEL: define i32 @load_load_noundef
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    [[A:%.*]] = load i32, ptr [[P]], align 4, !range [[RNG1]]
; CHECK-NEXT:    [[C:%.*]] = add i32 [[A]], [[A]]
; CHECK-NEXT:    ret i32 [[C]]
;
  %a = load i32, ptr %p, !range !0
  %b = load i32, ptr %p, !range !1, !noundef !11
  %c = add i32 %a, %b
  ret i32 %c
}

define void @load_dereferenceable_dominating(ptr %p) {
; CHECK-LABEL: define void @load_dereferenceable_dominating
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    [[A:%.*]] = load ptr, ptr [[P]], align 8, !dereferenceable !7
; CHECK-NEXT:    call void @use.ptr(ptr [[A]])
; CHECK-NEXT:    call void @use.ptr(ptr [[A]])
; CHECK-NEXT:    ret void
;
  %a = load ptr, ptr %p, !dereferenceable !{i64 10}
  %b = load ptr, ptr %p
  call void @use.ptr(ptr %a)
  call void @use.ptr(ptr %b)
  ret void
}

define void @load_dereferenceable_not_dominating(ptr %p) {
; CHECK-LABEL: define void @load_dereferenceable_not_dominating
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    [[A:%.*]] = load ptr, ptr [[P]], align 8
; CHECK-NEXT:    call void @use.ptr(ptr [[A]])
; CHECK-NEXT:    call void @use.ptr(ptr [[A]])
; CHECK-NEXT:    ret void
;
  %a = load ptr, ptr %p
  %b = load ptr, ptr %p, !dereferenceable !{i64 10}
  call void @use.ptr(ptr %a)
  call void @use.ptr(ptr %b)
  ret void
}

define void @load_ptr_nonnull_to_i64(ptr %p) {
; CHECK-LABEL: define void @load_ptr_nonnull_to_i64
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    [[VAL:%.*]] = load ptr, ptr [[P]], align 8
; CHECK-NEXT:    [[VAL_INT:%.*]] = ptrtoint ptr [[VAL]] to i64
; CHECK-NEXT:    call void @use.i64(i64 [[VAL_INT]])
; CHECK-NEXT:    call void @use.i64(i64 [[VAL_INT]])
; CHECK-NEXT:    ret void
;
  %val = load ptr, ptr %p, align 8, !nonnull !{}
  %val.int = ptrtoint ptr %val to i64
  %val2 = load i64, ptr %p, align 8
  call void @use.i64(i64 %val.int)
  call void @use.i64(i64 %val2)
  ret void
}

define void @load_ptr_nonnull_noundef_to_i64(ptr %p) {
; CHECK-LABEL: define void @load_ptr_nonnull_noundef_to_i64
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    [[VAL:%.*]] = load ptr, ptr [[P]], align 8, !nonnull !6, !noundef !6
; CHECK-NEXT:    [[VAL_INT:%.*]] = ptrtoint ptr [[VAL]] to i64
; CHECK-NEXT:    call void @use.i64(i64 [[VAL_INT]])
; CHECK-NEXT:    call void @use.i64(i64 [[VAL_INT]])
; CHECK-NEXT:    ret void
;
  %val = load ptr, ptr %p, align 8, !nonnull !{}, !noundef !{}
  %val.int = ptrtoint ptr %val to i64
  %val2 = load i64, ptr %p, align 8
  call void @use.i64(i64 %val.int)
  call void @use.i64(i64 %val2)
  ret void
}

define void @load_ptr_invariant_load_to_i64(ptr %p) {
; CHECK-LABEL: define void @load_ptr_invariant_load_to_i64
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    [[VAL:%.*]] = load ptr, ptr [[P]], align 8, !invariant.load !6
; CHECK-NEXT:    [[VAL_INT:%.*]] = ptrtoint ptr [[VAL]] to i64
; CHECK-NEXT:    call void @use.i64(i64 [[VAL_INT]])
; CHECK-NEXT:    call void @use.i64(i64 [[VAL_INT]])
; CHECK-NEXT:    ret void
;
  %val = load ptr, ptr %p, align 8, !invariant.load !{}
  %val.int = ptrtoint ptr %val to i64
  %val2 = load i64, ptr %p, align 8
  call void @use.i64(i64 %val.int)
  call void @use.i64(i64 %val2)
  ret void
}

define void @load_ptr_dereferenceable_to_i64(ptr %p) {
; CHECK-LABEL: define void @load_ptr_dereferenceable_to_i64
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    [[VAL:%.*]] = load ptr, ptr [[P]], align 8, !dereferenceable !7
; CHECK-NEXT:    [[VAL_INT:%.*]] = ptrtoint ptr [[VAL]] to i64
; CHECK-NEXT:    call void @use.i64(i64 [[VAL_INT]])
; CHECK-NEXT:    call void @use.i64(i64 [[VAL_INT]])
; CHECK-NEXT:    ret void
;
  %val = load ptr, ptr %p, align 8, !dereferenceable !{i64 10}
  %val.int = ptrtoint ptr %val to i64
  %val2 = load i64, ptr %p, align 8
  call void @use.i64(i64 %val.int)
  call void @use.i64(i64 %val2)
  ret void
}

define void @load_ptr_dereferenceable_or_null_to_i64(ptr %p) {
; CHECK-LABEL: define void @load_ptr_dereferenceable_or_null_to_i64
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    [[VAL:%.*]] = load ptr, ptr [[P]], align 8, !dereferenceable_or_null !7
; CHECK-NEXT:    [[VAL_INT:%.*]] = ptrtoint ptr [[VAL]] to i64
; CHECK-NEXT:    call void @use.i64(i64 [[VAL_INT]])
; CHECK-NEXT:    call void @use.i64(i64 [[VAL_INT]])
; CHECK-NEXT:    ret void
;
  %val = load ptr, ptr %p, align 8, !dereferenceable_or_null !{i64 10}
  %val.int = ptrtoint ptr %val to i64
  %val2 = load i64, ptr %p, align 8
  call void @use.i64(i64 %val.int)
  call void @use.i64(i64 %val2)
  ret void
}

define void @load_ptr_nonnull_to_i32(ptr %p) {
; CHECK-LABEL: define void @load_ptr_nonnull_to_i32
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    [[VAL:%.*]] = load ptr, ptr [[P]], align 8
; CHECK-NEXT:    [[VAL_INT:%.*]] = ptrtoint ptr [[VAL]] to i64
; CHECK-NEXT:    [[TMP1:%.*]] = trunc i64 [[VAL_INT]] to i32
; CHECK-NEXT:    call void @use.i64(i64 [[VAL_INT]])
; CHECK-NEXT:    call void @use.i32(i32 [[TMP1]])
; CHECK-NEXT:    ret void
;
  %val = load ptr, ptr %p, align 8, !nonnull !{}
  %val.int = ptrtoint ptr %val to i64
  %val2 = load i32, ptr %p, align 8
  call void @use.i64(i64 %val.int)
  call void @use.i32(i32 %val2)
  ret void
}

define void @load_i64_range_to_i32_range(ptr %p) {
; CHECK-LABEL: define void @load_i64_range_to_i32_range
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    [[VAL:%.*]] = load i64, ptr [[P]], align 8
; CHECK-NEXT:    [[TMP1:%.*]] = trunc i64 [[VAL]] to i32
; CHECK-NEXT:    call void @use.i64(i64 [[VAL]])
; CHECK-NEXT:    call void @use.i32(i32 [[TMP1]])
; CHECK-NEXT:    ret void
;
  %val = load i64, ptr %p, align 8, !range !{i64 0, i64 10}
  %val2 = load i32, ptr %p, align 8, !range !{i32 0, i32 10}
  call void @use.i64(i64 %val)
  call void @use.i32(i32 %val2)
  ret void
}

define i64 @load_is_stored(ptr %p, ptr %p2) {
; CHECK-LABEL: define i64 @load_is_stored
; CHECK-SAME: (ptr [[P:%.*]], ptr [[P2:%.*]]) {
; CHECK-NEXT:    [[V1:%.*]] = load i64, ptr [[P]], align 4, !range [[RNG8:![0-9]+]]
; CHECK-NEXT:    store i64 [[V1]], ptr [[P2]], align 4
; CHECK-NEXT:    ret i64 [[V1]]
;
  %v1 = load i64, ptr %p, !range !{i64 0, i64 10}
  store i64 %v1, ptr %p2
  %v2 = load i64, ptr %p2
  ret i64 %v2
}

define void @non_local_dominating(i1 %c, ptr %p) {
; CHECK-LABEL: define void @non_local_dominating
; CHECK-SAME: (i1 [[C:%.*]], ptr [[P:%.*]]) {
; CHECK-NEXT:    [[V1:%.*]] = load i64, ptr [[P]], align 4, !range [[RNG9:![0-9]+]]
; CHECK-NEXT:    br i1 [[C]], label [[IF:%.*]], label [[JOIN:%.*]]
; CHECK:       if:
; CHECK-NEXT:    br label [[JOIN]]
; CHECK:       join:
; CHECK-NEXT:    call void @use.i64(i64 [[V1]])
; CHECK-NEXT:    call void @use.i64(i64 [[V1]])
; CHECK-NEXT:    ret void
;
  %v1 = load i64, ptr %p, !range !{i64 0, i64 10}
  br i1 %c, label %if, label %join

if:
  br label %join

join:
  %v2 = load i64, ptr %p, !range !{i64 20, i64 30}
  call void @use.i64(i64 %v1)
  call void @use.i64(i64 %v2)
  ret void
}

define void @non_local_non_dominating(i1 %c, ptr %p) {
; CHECK-LABEL: define void @non_local_non_dominating
; CHECK-SAME: (i1 [[C:%.*]], ptr [[P:%.*]]) {
; CHECK-NEXT:    br i1 [[C]], label [[IF:%.*]], label [[ELSE:%.*]]
; CHECK:       if:
; CHECK-NEXT:    [[V1:%.*]] = load i64, ptr [[P]], align 4, !range [[RNG9]]
; CHECK-NEXT:    call void @use.i64(i64 [[V1]])
; CHECK-NEXT:    br label [[JOIN:%.*]]
; CHECK:       else:
; CHECK-NEXT:    [[V2:%.*]] = load i64, ptr [[P]], align 4, !range [[RNG10:![0-9]+]]
; CHECK-NEXT:    call void @use.i64(i64 [[V2]])
; CHECK-NEXT:    br label [[JOIN]]
; CHECK:       join:
; CHECK-NEXT:    [[V3:%.*]] = phi i64 [ [[V2]], [[ELSE]] ], [ [[V1]], [[IF]] ]
; CHECK-NEXT:    call void @use.i64(i64 [[V3]])
; CHECK-NEXT:    ret void
;
  br i1 %c, label %if, label %else

if:
  %v1 = load i64, ptr %p, !range !{i64 0, i64 10}
  call void @use.i64(i64 %v1)
  br label %join

else:
  %v2 = load i64, ptr %p, !range !{i64 10, i64 20}
  call void @use.i64(i64 %v2)
  br label %join

join:
  %v3 = load i64, ptr %p, !range !{i64 20, i64 30}
  call void @use.i64(i64 %v3)
  ret void
}

define void @non_local_coerced(i1 %c, ptr %p) {
; CHECK-LABEL: define void @non_local_coerced
; CHECK-SAME: (i1 [[C:%.*]], ptr [[P:%.*]]) {
; CHECK-NEXT:    [[V1_PTR:%.*]] = load ptr, ptr [[P]], align 8
; CHECK-NEXT:    [[V1:%.*]] = ptrtoint ptr [[V1_PTR]] to i64
; CHECK-NEXT:    br i1 [[C]], label [[IF:%.*]], label [[JOIN:%.*]]
; CHECK:       if:
; CHECK-NEXT:    br label [[JOIN]]
; CHECK:       join:
; CHECK-NEXT:    call void @use.i64(i64 [[V1]])
; CHECK-NEXT:    call void @use.i64(i64 [[V1]])
; CHECK-NEXT:    ret void
;
  %v1.ptr = load ptr, ptr %p, !nonnull !{}
  %v1 = ptrtoint ptr %v1.ptr to i64
  br i1 %c, label %if, label %join

if:
  br label %join

join:
  %v2 = load i64, ptr %p, !range !{i64 20, i64 30}
  call void @use.i64(i64 %v1)
  call void @use.i64(i64 %v2)
  ret void
}

define void @non_local_pre(i1 %c, ptr %p) {
; CHECK-LABEL: define void @non_local_pre
; CHECK-SAME: (i1 [[C:%.*]], ptr [[P:%.*]]) {
; CHECK-NEXT:    [[V2_PRE:%.*]] = load i64, ptr [[P]], align 4, !range [[RNG9]]
; CHECK-NEXT:    br i1 [[C]], label [[IF:%.*]], label [[JOIN:%.*]]
; CHECK:       if:
; CHECK-NEXT:    call void @use.i64(i64 [[V2_PRE]])
; CHECK-NEXT:    br label [[JOIN]]
; CHECK:       join:
; CHECK-NEXT:    call void @use.i64(i64 [[V2_PRE]])
; CHECK-NEXT:    ret void
;
  br i1 %c, label %if, label %join

if:
  %v1 = load i64, ptr %p, !range !{i64 0, i64 10}
  call void @use.i64(i64 %v1)
  br label %join

join:
  %v2 = load i64, ptr %p, !range !{i64 20, i64 30}
  call void @use.i64(i64 %v2)
  ret void
}

!0 = !{i32 0, i32 2}
!1 = !{i32 3, i32 5}
!2 = !{i32 2, i32 5}
!3 = !{i32 -5, i32 -2}
!4 = !{i32 1, i32 5}
!5 = !{i32 10, i32 1}
!6 = !{i32 12, i32 16}
!7 = !{i32 1, i32 2, i32 3, i32 4}
!8 = !{i32 5, i32 1}
!9 = !{i32 1, i32 5}
!10 = !{i32 5, i32 1}
!11 = !{}
;.
; CHECK: attributes #[[ATTR0:[0-9]+]] = { memory(none) }
;.
; CHECK: [[RNG0]] = !{i32 0, i32 2}
; CHECK: [[RNG1]] = !{i32 0, i32 2, i32 3, i32 5}
; CHECK: [[RNG2]] = !{i32 0, i32 5}
; CHECK: [[RNG3]] = !{i32 -5, i32 -2, i32 1, i32 5}
; CHECK: [[RNG4]] = !{i32 10, i32 1}
; CHECK: [[RNG5]] = !{i32 3, i32 4, i32 5, i32 2}
; CHECK: [[META6:![0-9]+]] = !{}
; CHECK: [[META7:![0-9]+]] = !{i64 10}
; CHECK: [[RNG8]] = !{i64 0, i64 10}
; CHECK: [[RNG9]] = !{i64 0, i64 10, i64 20, i64 30}
; CHECK: [[RNG10]] = !{i64 10, i64 30}
;.