34 lines
1.3 KiB
LLVM
34 lines
1.3 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
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; RUN: opt -S -passes=guard-widening < %s | FileCheck %s
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; Make sure we don't hang here.
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define i64 @test() {
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; CHECK-LABEL: define i64 @test() {
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; CHECK-NEXT: bb:
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; CHECK-NEXT: [[DOTGW_FR:%.*]] = freeze i1 poison
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; CHECK-NEXT: [[WIDE_CHK:%.*]] = and i1 poison, [[DOTGW_FR]]
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; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[WIDE_CHK]]) [ "deopt"() ]
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; CHECK-NEXT: br label [[BB2:%.*]]
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; CHECK: bb2:
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; CHECK-NEXT: br i1 poison, label [[BB3:%.*]], label [[BB2]]
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; CHECK: bb3:
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; CHECK-NEXT: [[CALL:%.*]] = call i64 (...) @llvm.experimental.deoptimize.i64() [ "deopt"() ]
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; CHECK-NEXT: ret i64 [[CALL]]
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;
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bb:
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call void (i1, ...) @llvm.experimental.guard(i1 poison) [ "deopt"() ]
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br label %bb2
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bb2: ; preds = %bb2, %bb
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br i1 poison, label %bb3, label %bb2
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bb3: ; preds = %bb2
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call void (i1, ...) @llvm.experimental.guard(i1 poison) [ "deopt"() ]
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%call = call i64 (...) @llvm.experimental.deoptimize.i64() [ "deopt"() ]
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ret i64 %call
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}
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declare i64 @llvm.experimental.deoptimize.i64(...)
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declare void @llvm.experimental.guard(i1, ...)
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