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f200766275
Summary: As discussed on llvm-dev[1]. This change adds the basic boilerplate code around having this intrinsic in LLVM: - Changes in Intrinsics.td, and the IR Verifier - A lowering pass to lower @llvm.experimental.guard to normal control flow - Inliner support [1]: http://lists.llvm.org/pipermail/llvm-dev/2016-February/095523.html Reviewers: reames, atrick, chandlerc, rnk, JosephTremoulet, echristo Subscribers: mcrosier, llvm-commits Differential Revision: http://reviews.llvm.org/D18527 llvm-svn: 264976
27 lines
622 B
LLVM
27 lines
622 B
LLVM
; RUN: not opt -S -verify < %s 2>&1 | FileCheck %s
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declare void @llvm.experimental.guard(i1, ...)
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declare void @unknown()
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define void @f_nodeopt() {
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entry:
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call void(i1, ...) @llvm.experimental.guard(i1 undef, i32 1, i32 2)
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; CHECK: guard must have exactly one "deopt" operand bundle
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ret void
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}
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define void @f_invoke() personality i8 3 {
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entry:
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invoke void(i1, ...) @llvm.experimental.guard(i1 undef, i32 0, float 0.0) [ "deopt"() ] to label %ok unwind label %not_ok
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; CHECK: guard cannot be invoked
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ok:
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ret void
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not_ok:
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%0 = landingpad { i8*, i32 }
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filter [0 x i8*] zeroinitializer
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ret void
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}
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