a496143c9e
Summary: Update MemorySSA in old LoopUnswitch pass. Actual dependency and update is disabled by default. Subscribers: sanjoy, jlebar, Prazek, llvm-commits Differential Revision: https://reviews.llvm.org/D45301 llvm-svn: 341984
28 lines
977 B
LLVM
28 lines
977 B
LLVM
; RUN: opt < %s -loop-unswitch -instcombine -gvn -disable-output
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; RUN: opt < %s -loop-unswitch -instcombine -gvn -enable-mssa-loop-dependency=true -verify-memoryssa -disable-output
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; PR2372
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target triple = "i386-pc-linux-gnu"
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define i32 @func_3(i16 signext %p_5, i16 signext %p_6) nounwind {
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entry:
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%tmp3 = icmp eq i16 %p_5, 0 ; <i1> [#uses=1]
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%tmp1314 = sext i16 %p_6 to i32 ; <i32> [#uses=1]
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%tmp28 = icmp ugt i32 %tmp1314, 3 ; <i1> [#uses=1]
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%bothcond = or i1 %tmp28, false ; <i1> [#uses=1]
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br label %bb
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bb: ; preds = %bb54, %entry
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br i1 %tmp3, label %bb54, label %bb5
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bb5: ; preds = %bb
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br i1 %bothcond, label %bb54, label %bb31
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bb31: ; preds = %bb5
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br label %bb54
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bb54: ; preds = %bb31, %bb5, %bb
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br i1 false, label %bb64, label %bb
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bb64: ; preds = %bb54
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%tmp6566 = sext i16 %p_6 to i32 ; <i32> [#uses=1]
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%tmp68 = tail call i32 (...) @func_18( i32 1, i32 %tmp6566, i32 1 ) nounwind ; <i32> [#uses=0]
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ret i32 undef
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}
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declare i32 @func_18(...)
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