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c250a100e2
Splitting the edge is nontrivial because of the landing pad, and we would currently assert trying to do it. Differential Revision: https://reviews.llvm.org/D24680 llvm-svn: 283129
34 lines
851 B
LLVM
34 lines
851 B
LLVM
; RUN: opt -jump-threading -S < %s | FileCheck %s
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.11.0"
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declare void @helper()
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declare i32 @__gxx_personality_v0(...)
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define void @pr27840(i8* %call, i1 %A) personality i32(...)* @__gxx_personality_v0 {
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entry:
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invoke void @helper()
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to label %invoke.cont unwind label %lpad
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; Don't jump threading; we can't split the critical edge from entry to lpad.
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; CHECK-LABEL: @pr27840
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; CHECK: invoke
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; CHECK-NEXT: to label %invoke.cont unwind label %lpad
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invoke.cont:
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invoke void @helper()
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to label %nowhere unwind label %lpad
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lpad:
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%b = phi i1 [ true, %invoke.cont ], [ false, %entry ]
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landingpad { i8*, i32 }
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cleanup
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%xor = xor i1 %b, %A
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br i1 %xor, label %nowhere, label %invoke.cont
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nowhere:
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unreachable
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}
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