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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S -passes=correlated-propagation %s | FileCheck %s
declare void @use(i1)
define void @ctpop1(i8 %v) {
; CHECK-LABEL: define void @ctpop1(
; CHECK-SAME: i8 [[V:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[RES:%.*]] = call range(i8 0, 9) i8 @llvm.ctpop.i8(i8 [[V]])
; CHECK-NEXT: [[C0_0:%.*]] = icmp samesign uge i8 [[RES]], 3
; CHECK-NEXT: [[C0_1:%.*]] = icmp samesign ule i8 [[RES]], 7
; CHECK-NEXT: [[C0:%.*]] = and i1 [[C0_0]], [[C0_1]]
; CHECK-NEXT: br i1 [[C0]], label %[[RANGE_3_8:.*]], label %[[ED:.*]]
; CHECK: [[RANGE_3_8]]:
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: [[CMP1:%.*]] = icmp uge i8 [[V]], 8
; CHECK-NEXT: call void @use(i1 [[CMP1]])
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: [[CMP3:%.*]] = icmp ule i8 [[V]], -3
; CHECK-NEXT: call void @use(i1 [[CMP3]])
; CHECK-NEXT: ret void
; CHECK: [[ED]]:
; CHECK-NEXT: ret void
;
entry:
%res = call range(i8 0, 9) i8 @llvm.ctpop.i8(i8 %v)
%c0.0 = icmp uge i8 %res, 3
%c0.1 = icmp ule i8 %res, 7
%c0 = and i1 %c0.0, %c0.1
br i1 %c0, label %range.3.8, label %ed
range.3.8:
%cmp0 = icmp uge i8 %v, 7
call void @use(i1 %cmp0) ; true
%cmp1 = icmp uge i8 %v, 8
call void @use(i1 %cmp1) ; unknown
%cmp2 = icmp ule i8 %v, 254
call void @use(i1 %cmp2) ; true
%cmp3 = icmp ule i8 %v, 253
call void @use(i1 %cmp3) ; unknown
ret void
ed:
ret void
}
define void @ctpop2(i8 %v) {
; CHECK-LABEL: define void @ctpop2(
; CHECK-SAME: i8 [[V:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[RES:%.*]] = call range(i8 0, 9) i8 @llvm.ctpop.i8(i8 [[V]])
; CHECK-NEXT: [[C2_0:%.*]] = icmp samesign uge i8 [[RES]], 1
; CHECK-NEXT: [[C2_1:%.*]] = icmp samesign ule i8 [[RES]], 4
; CHECK-NEXT: [[C2:%.*]] = and i1 [[C2_0]], [[C2_1]]
; CHECK-NEXT: br i1 [[C2]], label %[[RANGE_1_5:.*]], label %[[ED:.*]]
; CHECK: [[RANGE_1_5]]:
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: [[CMP9:%.*]] = icmp uge i8 [[V]], 2
; CHECK-NEXT: call void @use(i1 [[CMP9]])
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: [[CMP11:%.*]] = icmp ule i8 [[V]], -17
; CHECK-NEXT: call void @use(i1 [[CMP11]])
; CHECK-NEXT: ret void
; CHECK: [[ED]]:
; CHECK-NEXT: ret void
;
entry:
%res = call range(i8 0, 9) i8 @llvm.ctpop.i8(i8 %v)
%c2.0 = icmp uge i8 %res, 1
%c2.1 = icmp ule i8 %res, 4
%c2 = and i1 %c2.0, %c2.1
br i1 %c2, label %range.1.5, label %ed
range.1.5:
%cmp8 = icmp uge i8 %v, 1
call void @use(i1 %cmp8) ; true
%cmp9 = icmp uge i8 %v, 2
call void @use(i1 %cmp9) ; unknown
%cmp10 = icmp ule i8 %v, 240
call void @use(i1 %cmp10) ; true
%cmp11 = icmp ule i8 %v, 239
call void @use(i1 %cmp11) ; unknown
ret void
ed:
ret void
}
define void @ctpop3(i8 %v) {
; CHECK-LABEL: define void @ctpop3(
; CHECK-SAME: i8 [[V:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[RES:%.*]] = call i8 @llvm.ctpop.i8(i8 [[V]])
; CHECK-NEXT: [[C3:%.*]] = icmp samesign uge i8 [[RES]], 8
; CHECK-NEXT: br i1 [[C3]], label %[[RANGE_8_9:.*]], label %[[ED:.*]]
; CHECK: [[RANGE_8_9]]:
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: ret void
; CHECK: [[ED]]:
; CHECK-NEXT: ret void
;
entry:
%res = call i8 @llvm.ctpop.i8(i8 %v)
%c3 = icmp uge i8 %res, 8
br i1 %c3, label %range.8.9, label %ed
range.8.9:
%cmp4 = icmp eq i8 %v, -1
call void @use(i1 %cmp4) ; true
ret void
ed:
ret void
}
define void @ctpop4(i8 %v) {
; CHECK-LABEL: define void @ctpop4(
; CHECK-SAME: i8 [[V:%.*]]) {
; CHECK-NEXT: [[TEST4:.*:]]
; CHECK-NEXT: [[RES:%.*]] = call i8 @llvm.ctpop.i8(i8 [[V]])
; CHECK-NEXT: [[C4:%.*]] = icmp eq i8 [[RES]], 0
; CHECK-NEXT: br i1 [[C4]], label %[[RANGE_0_1:.*]], label %[[ED:.*]]
; CHECK: [[RANGE_0_1]]:
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: ret void
; CHECK: [[ED]]:
; CHECK-NEXT: ret void
;
test4:
%res = call i8 @llvm.ctpop.i8(i8 %v)
%c4 = icmp eq i8 %res, 0
br i1 %c4, label %range.0.1, label %ed
range.0.1:
%cmp5 = icmp eq i8 %v, 0
call void @use(i1 %cmp5) ; true
ret void
ed:
ret void
}
|
