Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/test/CodeGen/ARM/ifcvt-branch-weight-bug.ll

@@ -1,63 +0,0 @@
-; RUN: llc < %s -mtriple=armv4t--linux-androideabi -print-machineinstrs=if-converter -o /dev/null 2>&1 | FileCheck %s
-; Fix a bug triggered in IfConverterTriangle when CvtBB has multiple
-; predecessors.
-; PR18752
-
-%classK = type { i8, %classF }
-%classF = type { i8 }
-%classL = type { %classG, i32, i32 }
-%classG = type { %classL* }
-%classM2 = type { %classL }
-
-define zeroext i1 @test(%classK* %this, %classM2* nocapture readnone %p1, %classM2* nocapture readnone %p2) align 2 {
-entry:
-  br i1 undef, label %for.end, label %for.body
-
-; Before if conversion, we have
-; for.body -> lor.lhs.false.i (50%)
-;          -> for.cond.backedge (50%)
-; lor.lhs.false.i -> for.cond.backedge (100%)
-;                 -> cond.false.i (0%)
-; Afer if conversion, we have
-; for.body -> for.cond.backedge (100%)
-;          -> cond.false.i (0%)
-; CHECK: %bb.1: derived from LLVM BB %for.body
-; CHECK: Successors according to CFG: %bb.2(0x80000000 / 0x80000000 = 100.00%) %bb.4(0x00000001 / 0x80000000 = 0.00%)
-for.body:
-  br i1 undef, label %for.cond.backedge, label %lor.lhs.false.i, !prof !1
-
-for.cond.backedge:
-  %tobool = icmp eq %classL* undef, null
-  br i1 %tobool, label %for.end, label %for.body
-
-lor.lhs.false.i:
-  %tobool.i.i7 = icmp eq i32 undef, 0
-  br i1 %tobool.i.i7, label %for.cond.backedge, label %cond.false.i
-
-cond.false.i:
-  call void @_Z3fn1v()
-  unreachable
-
-for.end:
-  br i1 undef, label %if.else.i.i, label %if.then.i.i
-
-if.then.i.i:
-  store %classL* null, %classL** undef, align 4
-  br label %_ZN1M6spliceEv.exit
-
-if.else.i.i:
-  store %classL* null, %classL** null, align 4
-  br label %_ZN1M6spliceEv.exit
-
-_ZN1M6spliceEv.exit:
-  %LIS = getelementptr inbounds %classK, %classK* %this, i32 0, i32 1
-  call void @_ZN1F10handleMoveEb(%classF* %LIS, i1 zeroext false)
-  unreachable
-}
-
-declare %classL* @_ZN1M1JI1LS1_EcvPS1_Ev(%classM2*)
-declare void @_ZN1F10handleMoveEb(%classF*, i1 zeroext)
-declare void @_Z3fn1v()
-
-!0 = !{!"clang version 3.5"}
-!1 = !{!"branch_weights", i32 62, i32 62}