1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
2 ; RUN: opt -S -passes=guard-widening < %s | FileCheck %s
4 ; Make sure we don't hang here.
6 ; CHECK-LABEL: define i64 @test() {
8 ; CHECK-NEXT: [[DOTGW_FR:%.*]] = freeze i1 poison
9 ; CHECK-NEXT: [[WIDE_CHK:%.*]] = and i1 poison, [[DOTGW_FR]]
10 ; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[WIDE_CHK]]) [ "deopt"() ]
11 ; CHECK-NEXT: br label [[BB2:%.*]]
13 ; CHECK-NEXT: br i1 poison, label [[BB3:%.*]], label [[BB2]]
15 ; CHECK-NEXT: [[CALL:%.*]] = call i64 (...) @llvm.experimental.deoptimize.i64() [ "deopt"() ]
16 ; CHECK-NEXT: ret i64 [[CALL]]
19 call void (i1, ...) @llvm.experimental.guard(i1 poison) [ "deopt"() ]
22 bb2: ; preds = %bb2, %bb
23 br i1 poison, label %bb3, label %bb2
26 call void (i1, ...) @llvm.experimental.guard(i1 poison) [ "deopt"() ]
27 %call = call i64 (...) @llvm.experimental.deoptimize.i64() [ "deopt"() ]
31 declare i64 @llvm.experimental.deoptimize.i64(...)
33 declare void @llvm.experimental.guard(i1, ...)