[PredicateInfo][SCCP][NewGVN] Add tests for logical and/or (NFC)

Duplicate some existing and/or tests using logical form.
This commit is contained in:
Nikita Popov 2021-01-11 20:17:10 +01:00
parent 1a9bd5b813
commit e406de77c6
3 changed files with 354 additions and 6 deletions

View File

@ -5,8 +5,8 @@
declare void @foo(i1)
declare void @bar(i32)
define void @test3(i32 %x, i32 %y) {
; CHECK-LABEL: @test3(
define void @test_and(i32 %x, i32 %y) {
; CHECK-LABEL: @test_and(
; CHECK-NEXT: [[XZ:%.*]] = icmp eq i32 [[X:%.*]], 0
; CHECK-NEXT: [[YZ:%.*]] = icmp eq i32 [[Y:%.*]], 0
; CHECK-NEXT: [[Z:%.*]] = and i1 [[XZ]], [[YZ]]
@ -35,6 +35,100 @@ nope:
call void @foo(i1 %z)
ret void
}
define void @test_and_logical(i32 %x, i32 %y) {
; CHECK-LABEL: @test_and_logical(
; CHECK-NEXT: [[XZ:%.*]] = icmp eq i32 [[X:%.*]], 0
; CHECK-NEXT: [[YZ:%.*]] = icmp eq i32 [[Y:%.*]], 0
; CHECK-NEXT: [[Z:%.*]] = select i1 [[XZ]], i1 [[YZ]], i1 false
; CHECK-NEXT: br i1 [[Z]], label [[BOTH_ZERO:%.*]], label [[NOPE:%.*]]
; CHECK: both_zero:
; CHECK-NEXT: call void @foo(i1 [[XZ]])
; CHECK-NEXT: call void @foo(i1 [[YZ]])
; CHECK-NEXT: call void @bar(i32 [[X]])
; CHECK-NEXT: call void @bar(i32 [[Y]])
; CHECK-NEXT: ret void
; CHECK: nope:
; CHECK-NEXT: call void @foo(i1 false)
; CHECK-NEXT: ret void
;
%xz = icmp eq i32 %x, 0
%yz = icmp eq i32 %y, 0
%z = select i1 %xz, i1 %yz, i1 false
br i1 %z, label %both_zero, label %nope
both_zero:
call void @foo(i1 %xz)
call void @foo(i1 %yz)
call void @bar(i32 %x)
call void @bar(i32 %y)
ret void
nope:
call void @foo(i1 %z)
ret void
}
define void @test_or(i32 %x, i32 %y) {
; CHECK-LABEL: @test_or(
; CHECK-NEXT: [[XZ:%.*]] = icmp ne i32 [[X:%.*]], 0
; CHECK-NEXT: [[YZ:%.*]] = icmp ne i32 [[Y:%.*]], 0
; CHECK-NEXT: [[Z:%.*]] = or i1 [[XZ]], [[YZ]]
; CHECK-NEXT: br i1 [[Z]], label [[NOPE:%.*]], label [[BOTH_ZERO:%.*]]
; CHECK: both_zero:
; CHECK-NEXT: call void @foo(i1 false)
; CHECK-NEXT: call void @foo(i1 false)
; CHECK-NEXT: call void @bar(i32 0)
; CHECK-NEXT: call void @bar(i32 0)
; CHECK-NEXT: ret void
; CHECK: nope:
; CHECK-NEXT: call void @foo(i1 true)
; CHECK-NEXT: ret void
;
%xz = icmp ne i32 %x, 0
%yz = icmp ne i32 %y, 0
%z = or i1 %xz, %yz
br i1 %z, label %nope, label %both_zero
both_zero:
call void @foo(i1 %xz)
call void @foo(i1 %yz)
call void @bar(i32 %x)
call void @bar(i32 %y)
ret void
nope:
call void @foo(i1 %z)
ret void
}
define void @test_or_logical(i32 %x, i32 %y) {
; CHECK-LABEL: @test_or_logical(
; CHECK-NEXT: [[XZ:%.*]] = icmp ne i32 [[X:%.*]], 0
; CHECK-NEXT: [[YZ:%.*]] = icmp ne i32 [[Y:%.*]], 0
; CHECK-NEXT: [[Z:%.*]] = select i1 [[XZ]], i1 true, i1 [[YZ]]
; CHECK-NEXT: br i1 [[Z]], label [[NOPE:%.*]], label [[BOTH_ZERO:%.*]]
; CHECK: both_zero:
; CHECK-NEXT: call void @foo(i1 [[XZ]])
; CHECK-NEXT: call void @foo(i1 [[YZ]])
; CHECK-NEXT: call void @bar(i32 [[X]])
; CHECK-NEXT: call void @bar(i32 [[Y]])
; CHECK-NEXT: ret void
; CHECK: nope:
; CHECK-NEXT: call void @foo(i1 true)
; CHECK-NEXT: ret void
;
%xz = icmp ne i32 %x, 0
%yz = icmp ne i32 %y, 0
%z = select i1 %xz, i1 true, i1 %yz
br i1 %z, label %nope, label %both_zero
both_zero:
call void @foo(i1 %xz)
call void @foo(i1 %yz)
call void @bar(i32 %x)
call void @bar(i32 %y)
ret void
nope:
call void @foo(i1 %z)
ret void
}
define void @test4(i1 %b, i32 %x) {
; CHECK-LABEL: @test4(
; CHECK-NEXT: br i1 [[B:%.*]], label [[SW:%.*]], label [[CASE3:%.*]]

View File

@ -886,6 +886,91 @@ false:
ret void
}
define void @f16_conditions_and_logical(i32 %a, i32 %b) {
; CHECK-LABEL: @f16_conditions_and_logical(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[LT:%.*]] = icmp ult i32 [[A:%.*]], 100
; CHECK-NEXT: [[GT:%.*]] = icmp ugt i32 [[A]], 20
; CHECK-NEXT: [[BC:%.*]] = select i1 [[LT]], i1 [[GT]], i1 false
; CHECK-NEXT: br i1 [[BC]], label [[TRUE:%.*]], label [[FALSE:%.*]]
; CHECK: true:
; CHECK-NEXT: [[F_1:%.*]] = icmp eq i32 [[A]], 0
; CHECK-NEXT: call void @use(i1 [[F_1]])
; CHECK-NEXT: [[F_2:%.*]] = icmp eq i32 [[A]], 20
; CHECK-NEXT: call void @use(i1 [[F_2]])
; CHECK-NEXT: [[F_3:%.*]] = icmp ugt i32 [[A]], 100
; CHECK-NEXT: call void @use(i1 [[F_3]])
; CHECK-NEXT: [[T_1:%.*]] = icmp ult i32 [[A]], 100
; CHECK-NEXT: call void @use(i1 [[T_1]])
; CHECK-NEXT: [[T_2:%.*]] = icmp ne i32 [[A]], 20
; CHECK-NEXT: call void @use(i1 [[T_2]])
; CHECK-NEXT: [[C_1:%.*]] = icmp eq i32 [[A]], 21
; CHECK-NEXT: call void @use(i1 [[C_1]])
; CHECK-NEXT: [[C_2:%.*]] = icmp ugt i32 [[A]], 21
; CHECK-NEXT: call void @use(i1 [[C_2]])
; CHECK-NEXT: [[C_3:%.*]] = icmp ugt i32 [[A]], 50
; CHECK-NEXT: call void @use(i1 [[C_3]])
; CHECK-NEXT: ret void
; CHECK: false:
; CHECK-NEXT: [[F_4:%.*]] = icmp eq i32 [[A]], 50
; CHECK-NEXT: call void @use(i1 [[F_4]])
; CHECK-NEXT: [[T_3:%.*]] = icmp ne i32 [[A]], 50
; CHECK-NEXT: call void @use(i1 [[T_3]])
; CHECK-NEXT: [[C_4:%.*]] = icmp eq i32 [[A]], 10
; CHECK-NEXT: call void @use(i1 [[C_4]])
; CHECK-NEXT: [[C_5:%.*]] = icmp eq i32 [[B:%.*]], 100
; CHECK-NEXT: call void @use(i1 [[C_5]])
; CHECK-NEXT: ret void
;
entry:
%lt = icmp ult i32 %a, 100
%gt = icmp ugt i32 %a, 20
%bc = select i1 %lt, i1 %gt, i1 false
br i1 %bc, label %true, label %false
true: ; %a in [21, 100)
; Conditions below are false.
%f.1 = icmp eq i32 %a, 0
call void @use(i1 %f.1)
%f.2 = icmp eq i32 %a, 20
call void @use(i1 %f.2)
%f.3 = icmp ugt i32 %a, 100
call void @use(i1 %f.3)
; Conditions below are true.
%t.1 = icmp ult i32 %a, 100
call void @use(i1 %t.1)
%t.2 = icmp ne i32 %a, 20
call void @use(i1 %t.2)
; Conditions below cannot be simplified.
%c.1 = icmp eq i32 %a, 21
call void @use(i1 %c.1)
%c.2 = icmp ugt i32 %a, 21
call void @use(i1 %c.2)
%c.3 = icmp ugt i32 %a, 50
call void @use(i1 %c.3)
ret void
false:
; TODO: Currently there is no conditional range info in the false branch for branch conditions with an AND.
; %a should be in in [100, 21)
; Conditions below are false;
%f.4 = icmp eq i32 %a, 50
call void @use(i1 %f.4)
; Conditions below are true;
%t.3 = icmp ne i32 %a, 50
call void @use(i1 %t.3)
; Conditions below cannot be simplified.
%c.4 = icmp eq i32 %a, 10
call void @use(i1 %c.4)
%c.5 = icmp eq i32 %b, 100
call void @use(i1 %c.5)
ret void
}
define void @f17_conditions_or(i32 %a, i32 %b) {
; CHECK-LABEL: @f17_conditions_or(
; CHECK-NEXT: entry:
@ -966,6 +1051,91 @@ true:
ret void
}
define void @f17_conditions_or_logical(i32 %a, i32 %b) {
; CHECK-LABEL: @f17_conditions_or_logical(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[GT:%.*]] = icmp uge i32 [[A:%.*]], 100
; CHECK-NEXT: [[LT:%.*]] = icmp ule i32 [[A]], 20
; CHECK-NEXT: [[BC:%.*]] = select i1 [[LT]], i1 true, i1 [[GT]]
; CHECK-NEXT: br i1 [[BC]], label [[TRUE:%.*]], label [[FALSE:%.*]]
; CHECK: false:
; CHECK-NEXT: [[F_1:%.*]] = icmp eq i32 [[A]], 0
; CHECK-NEXT: call void @use(i1 [[F_1]])
; CHECK-NEXT: [[F_2:%.*]] = icmp eq i32 [[A]], 20
; CHECK-NEXT: call void @use(i1 [[F_2]])
; CHECK-NEXT: [[F_3:%.*]] = icmp ugt i32 [[A]], 100
; CHECK-NEXT: call void @use(i1 [[F_3]])
; CHECK-NEXT: [[T_1:%.*]] = icmp ult i32 [[A]], 100
; CHECK-NEXT: call void @use(i1 [[T_1]])
; CHECK-NEXT: [[T_2:%.*]] = icmp ne i32 [[A]], 20
; CHECK-NEXT: call void @use(i1 [[T_2]])
; CHECK-NEXT: [[C_1:%.*]] = icmp eq i32 [[A]], 21
; CHECK-NEXT: call void @use(i1 [[C_1]])
; CHECK-NEXT: [[C_2:%.*]] = icmp ugt i32 [[A]], 21
; CHECK-NEXT: call void @use(i1 [[C_2]])
; CHECK-NEXT: [[C_3:%.*]] = icmp ugt i32 [[A]], 50
; CHECK-NEXT: call void @use(i1 [[C_3]])
; CHECK-NEXT: ret void
; CHECK: true:
; CHECK-NEXT: [[F_4:%.*]] = icmp eq i32 [[A]], 50
; CHECK-NEXT: call void @use(i1 [[F_4]])
; CHECK-NEXT: [[T_3:%.*]] = icmp ne i32 [[A]], 50
; CHECK-NEXT: call void @use(i1 [[T_3]])
; CHECK-NEXT: [[C_4:%.*]] = icmp eq i32 [[A]], 10
; CHECK-NEXT: call void @use(i1 [[C_4]])
; CHECK-NEXT: [[C_5:%.*]] = icmp eq i32 [[B:%.*]], 100
; CHECK-NEXT: call void @use(i1 [[C_5]])
; CHECK-NEXT: ret void
;
entry:
%gt = icmp uge i32 %a, 100
%lt = icmp ule i32 %a, 20
%bc = select i1 %lt, i1 true, i1 %gt
br i1 %bc, label %true, label %false
false: ; %a in [21, 100)
; Conditions below are false.
%f.1 = icmp eq i32 %a, 0
call void @use(i1 %f.1)
%f.2 = icmp eq i32 %a, 20
call void @use(i1 %f.2)
%f.3 = icmp ugt i32 %a, 100
call void @use(i1 %f.3)
; Conditions below are true.
%t.1 = icmp ult i32 %a, 100
call void @use(i1 %t.1)
%t.2 = icmp ne i32 %a, 20
call void @use(i1 %t.2)
; Conditions below cannot be simplified.
%c.1 = icmp eq i32 %a, 21
call void @use(i1 %c.1)
%c.2 = icmp ugt i32 %a, 21
call void @use(i1 %c.2)
%c.3 = icmp ugt i32 %a, 50
call void @use(i1 %c.3)
ret void
true:
; TODO: Currently there is no conditional range info in the false branch for branch conditions with an AND.
; %a should be in in [100, 21)
; Conditions below are false;
%f.4 = icmp eq i32 %a, 50
call void @use(i1 %f.4)
; Conditions below are true;
%t.3 = icmp ne i32 %a, 50
call void @use(i1 %t.3)
; Conditions below cannot be simplified.
%c.4 = icmp eq i32 %a, 10
call void @use(i1 %c.4)
%c.5 = icmp eq i32 %b, 100
call void @use(i1 %c.5)
ret void
}
define void @f18_conditions_chained_and(i32 %a, i32 %b) {
; CHECK-LABEL: @f18_conditions_chained_and(
; CHECK-NEXT: entry:

View File

@ -5,8 +5,8 @@ declare void @foo(i1)
declare void @bar(i32)
declare void @llvm.assume(i1)
define void @testor(i32 %x, i32 %y) {
; CHECK-LABEL: @testor(
define void @test_or(i32 %x, i32 %y) {
; CHECK-LABEL: @test_or(
; CHECK-NEXT: [[XZ:%.*]] = icmp eq i32 [[X:%.*]], 0
; CHECK-NEXT: [[YZ:%.*]] = icmp eq i32 [[Y:%.*]], 0
; CHECK-NEXT: [[Z:%.*]] = or i1 [[XZ]], [[YZ]]
@ -49,8 +49,50 @@ neither:
call void @foo(i1 %z)
ret void
}
define void @testand(i32 %x, i32 %y) {
; CHECK-LABEL: @testand(
define void @test_or_logical(i32 %x, i32 %y) {
; CHECK-LABEL: @test_or_logical(
; CHECK-NEXT: [[XZ:%.*]] = icmp eq i32 [[X:%.*]], 0
; CHECK-NEXT: [[YZ:%.*]] = icmp eq i32 [[Y:%.*]], 0
; CHECK-NEXT: [[Z:%.*]] = select i1 [[XZ]], i1 true, i1 [[YZ]]
; CHECK: [[Z_0:%.*]] = call i1 @llvm.ssa.copy.{{.+}}(i1 [[Z]])
; CHECK-NEXT: br i1 [[Z]], label [[ONEOF:%.*]], label [[NEITHER:%.*]]
; CHECK: oneof:
; CHECK-NEXT: call void @foo(i1 [[XZ]])
; CHECK-NEXT: call void @foo(i1 [[YZ]])
; CHECK-NEXT: call void @bar(i32 [[X]])
; CHECK-NEXT: call void @bar(i32 [[Y]])
; CHECK-NEXT: ret void
; CHECK: neither:
; CHECK-NEXT: call void @foo(i1 [[XZ]])
; CHECK-NEXT: call void @foo(i1 [[YZ]])
; CHECK-NEXT: call void @bar(i32 [[X]])
; CHECK-NEXT: call void @bar(i32 [[Y]])
; CHECK-NEXT: call void @foo(i1 [[Z_0]])
; CHECK-NEXT: ret void
;
%xz = icmp eq i32 %x, 0
%yz = icmp eq i32 %y, 0
%z = select i1 %xz, i1 true, i1 %yz
br i1 %z, label %oneof, label %neither
oneof:
;; Should not insert on the true edge for or
call void @foo(i1 %xz)
call void @foo(i1 %yz)
call void @bar(i32 %x)
call void @bar(i32 %y)
ret void
neither:
call void @foo(i1 %xz)
call void @foo(i1 %yz)
call void @bar(i32 %x)
call void @bar(i32 %y)
call void @foo(i1 %z)
ret void
}
define void @test_and(i32 %x, i32 %y) {
; CHECK-LABEL: @test_and(
; CHECK-NEXT: [[XZ:%.*]] = icmp eq i32 [[X:%.*]], 0
; CHECK-NEXT: [[YZ:%.*]] = icmp eq i32 [[Y:%.*]], 0
; CHECK-NEXT: [[Z:%.*]] = and i1 [[XZ]], [[YZ]]
@ -93,6 +135,48 @@ nope:
call void @foo(i1 %z)
ret void
}
define void @test_and_logical(i32 %x, i32 %y) {
; CHECK-LABEL: @test_and_logical(
; CHECK-NEXT: [[XZ:%.*]] = icmp eq i32 [[X:%.*]], 0
; CHECK-NEXT: [[YZ:%.*]] = icmp eq i32 [[Y:%.*]], 0
; CHECK-NEXT: [[Z:%.*]] = select i1 [[XZ]], i1 [[YZ]], i1 false
; CHECK: [[Z_0:%.*]] = call i1 @llvm.ssa.copy.{{.+}}(i1 [[Z]])
; CHECK-NEXT: br i1 [[Z]], label [[BOTH:%.*]], label [[NOPE:%.*]]
; CHECK: both:
; CHECK-NEXT: call void @foo(i1 [[XZ]])
; CHECK-NEXT: call void @foo(i1 [[YZ]])
; CHECK-NEXT: call void @bar(i32 [[X]])
; CHECK-NEXT: call void @bar(i32 [[Y]])
; CHECK-NEXT: ret void
; CHECK: nope:
; CHECK-NEXT: call void @foo(i1 [[XZ]])
; CHECK-NEXT: call void @foo(i1 [[YZ]])
; CHECK-NEXT: call void @bar(i32 [[X]])
; CHECK-NEXT: call void @bar(i32 [[Y]])
; CHECK-NEXT: call void @foo(i1 [[Z_0]])
; CHECK-NEXT: ret void
;
%xz = icmp eq i32 %x, 0
%yz = icmp eq i32 %y, 0
%z = select i1 %xz, i1 %yz, i1 false
br i1 %z, label %both, label %nope
both:
call void @foo(i1 %xz)
call void @foo(i1 %yz)
call void @bar(i32 %x)
call void @bar(i32 %y)
ret void
nope:
;; Should not insert on the false edge for and
call void @foo(i1 %xz)
call void @foo(i1 %yz)
call void @bar(i32 %x)
call void @bar(i32 %y)
call void @foo(i1 %z)
ret void
}
define void @testandsame(i32 %x, i32 %y) {
; CHECK-LABEL: @testandsame(
; CHECK-NEXT: [[XGT:%.*]] = icmp sgt i32 [[X:%.*]], 0