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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 42; RUN: opt < %s -passes=ipsccp -S | FileCheck %s3 4; Tests from PR796965 6define i1 @constant_range_xor(i64 %a) {7; CHECK-LABEL: define i1 @constant_range_xor(8; CHECK-SAME: i64 [[A:%.*]]) {9; CHECK-NEXT: entry:10; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i64 [[A]], 819211; CHECK-NEXT: br i1 [[CMP]], label [[THEN:%.*]], label [[ELSE:%.*]]12; CHECK: then:13; CHECK-NEXT: [[CTLZ:%.*]] = call i64 @llvm.ctlz.i64(i64 [[A]], i1 true)14; CHECK-NEXT: [[CONV:%.*]] = xor i64 [[CTLZ]], 6315; CHECK-NEXT: ret i1 false16; CHECK: else:17; CHECK-NEXT: ret i1 false18;19entry:20 %cmp = icmp ugt i64 %a, 819221 br i1 %cmp, label %then, label %else22then:23 %ctlz = call i64 @llvm.ctlz.i64(i64 %a, i1 true) ;[0, 50]24 %conv = xor i64 %ctlz, 63 ;[13, 63]25 %cmp1 = icmp ult i64 %conv, 1326 ret i1 %cmp127else:28 ret i1 false29}30 31define i1 @constant_range_xor_negative(i64 %a) {32; CHECK-LABEL: define i1 @constant_range_xor_negative(33; CHECK-SAME: i64 [[A:%.*]]) {34; CHECK-NEXT: entry:35; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i64 [[A]], 819236; CHECK-NEXT: br i1 [[CMP]], label [[THEN:%.*]], label [[ELSE:%.*]]37; CHECK: then:38; CHECK-NEXT: [[CTLZ:%.*]] = call i64 @llvm.ctlz.i64(i64 [[A]], i1 true)39; CHECK-NEXT: [[CONV:%.*]] = xor i64 [[CTLZ]], 6240; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i64 [[CONV]], 1341; CHECK-NEXT: ret i1 [[CMP1]]42; CHECK: else:43; CHECK-NEXT: ret i1 false44;45entry:46 %cmp = icmp ugt i64 %a, 819247 br i1 %cmp, label %then, label %else48then:49 %ctlz = call i64 @llvm.ctlz.i64(i64 %a, i1 true) ;[0, 50]50 %conv = xor i64 %ctlz, 62 ;[12, 63]51 %cmp1 = icmp ult i64 %conv, 1352 ret i1 %cmp153else:54 ret i1 false55}56