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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 62; RUN: opt < %s -passes=instcombine,verify -S | FileCheck %s3 4define i32 @cnt_known_lt() {5; CHECK-LABEL: define i32 @cnt_known_lt() {6; CHECK-NEXT: ret i32 17;8 %x = call i32 @llvm.experimental.get.vector.length(i32 1, i32 2, i1 false)9 ret i32 %x10}11 12define i32 @cnt_not_known_lt() {13; CHECK-LABEL: define i32 @cnt_not_known_lt() {14; CHECK-NEXT: [[X:%.*]] = call i32 @llvm.experimental.get.vector.length.i32(i32 2, i32 1, i1 false)15; CHECK-NEXT: ret i32 [[X]]16;17 %x = call i32 @llvm.experimental.get.vector.length(i32 2, i32 1, i1 false)18 ret i32 %x19}20 21define i32 @cnt_known_lt_scalable() vscale_range(2, 4) {22; CHECK-LABEL: define i32 @cnt_known_lt_scalable(23; CHECK-SAME: ) #[[ATTR0:[0-9]+]] {24; CHECK-NEXT: ret i32 225;26 %x = call i32 @llvm.experimental.get.vector.length(i32 2, i32 1, i1 true)27 ret i32 %x28}29 30define i32 @cnt_not_known_lt_scalable() {31; CHECK-LABEL: define i32 @cnt_not_known_lt_scalable() {32; CHECK-NEXT: [[X:%.*]] = call i32 @llvm.experimental.get.vector.length.i32(i32 2, i32 1, i1 true)33; CHECK-NEXT: ret i32 [[X]]34;35 %x = call i32 @llvm.experimental.get.vector.length(i32 2, i32 1, i1 true)36 ret i32 %x37}38 39define i32 @cnt_known_lt_runtime(i32 %x) {40; CHECK-LABEL: define i32 @cnt_known_lt_runtime(41; CHECK-SAME: i32 [[X:%.*]]) {42; CHECK-NEXT: [[ICMP:%.*]] = icmp ult i32 [[X]], 443; CHECK-NEXT: call void @llvm.assume(i1 [[ICMP]])44; CHECK-NEXT: ret i32 [[X]]45;46 %icmp = icmp ule i32 %x, 347 call void @llvm.assume(i1 %icmp)48 %y = call i32 @llvm.experimental.get.vector.length(i32 %x, i32 3, i1 false)49 ret i32 %y50}51 52define i32 @cnt_known_lt_runtime_trunc(i64 %x) {53; CHECK-LABEL: define i32 @cnt_known_lt_runtime_trunc(54; CHECK-SAME: i64 [[X:%.*]]) {55; CHECK-NEXT: [[ICMP:%.*]] = icmp ult i64 [[X]], 456; CHECK-NEXT: call void @llvm.assume(i1 [[ICMP]])57; CHECK-NEXT: [[Y:%.*]] = trunc nuw nsw i64 [[X]] to i3258; CHECK-NEXT: ret i32 [[Y]]59;60 %icmp = icmp ule i64 %x, 361 call void @llvm.assume(i1 %icmp)62 %y = call i32 @llvm.experimental.get.vector.length(i64 %x, i32 3, i1 false)63 ret i32 %y64}65 66; FIXME: We should be able to deduce the constant range from AssumptionCache67; rather than relying on KnownBits, which in this case only knows x <= 3.68define i32 @cnt_known_lt_runtime_assumption(i32 %x) {69; CHECK-LABEL: define i32 @cnt_known_lt_runtime_assumption(70; CHECK-SAME: i32 [[X:%.*]]) {71; CHECK-NEXT: [[ICMP:%.*]] = icmp ult i32 [[X]], 372; CHECK-NEXT: call void @llvm.assume(i1 [[ICMP]])73; CHECK-NEXT: [[Y:%.*]] = call i32 @llvm.experimental.get.vector.length.i32(i32 [[X]], i32 2, i1 false)74; CHECK-NEXT: ret i32 [[Y]]75;76 %icmp = icmp ule i32 %x, 277 call void @llvm.assume(i1 %icmp)78 %y = call i32 @llvm.experimental.get.vector.length(i32 %x, i32 2, i1 false)79 ret i32 %y80}81 82 83define i32 @cnt_known_lt_i16() {84; CHECK-LABEL: define i32 @cnt_known_lt_i16() {85; CHECK-NEXT: ret i32 186;87 %x = call i32 @llvm.experimental.get.vector.length(i16 1, i32 2, i1 false)88 ret i32 %x89}90