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64 lines
3.4 KiB
64 lines
3.4 KiB
4 months ago
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; RUN: llc %s -o - -verify-machineinstrs | FileCheck %s
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target datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32"
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target triple = "thumbv7s-apple-unknown"
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; The subtract instruction %3 will be optimized (combined and predicated) with the select
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; inside the loop. In this case, the kill flag on the subtract should be removed or else
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; it will fail verification.
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%struct.PROOFSEARCH_HELP = type { %struct.LIST_HELP*, %struct.LIST_HELP*, %struct.LIST_HELP*, %struct.LIST_HELP*, %struct.SHARED_INDEX_NODE*, %struct.LIST_HELP*, %struct.SHARED_INDEX_NODE*, %struct.LIST_HELP*, %struct.SORTTHEORY_HELP*, %struct.SORTTHEORY_HELP*, %struct.SORTTHEORY_HELP*, %struct.SHARED_INDEX_NODE*, %struct.LIST_HELP*, i32*, i32*, %struct.LIST_HELP*, i32, i32, i32, i32, i32, i32, i32, i32 }
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%struct.SORTTHEORY_HELP = type { %struct.st*, [4000 x %struct.NODE_HELP*], %struct.LIST_HELP*, %struct.LIST_HELP*, i32 }
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%struct.st = type { %struct.subst*, %struct.LIST_HELP*, %struct.LIST_HELP*, i16, i16 }
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%struct.subst = type { %struct.subst*, i32, %struct.term* }
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%struct.term = type { i32, %union.anon, %struct.LIST_HELP*, i32, i32 }
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%union.anon = type { %struct.LIST_HELP* }
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%struct.NODE_HELP = type { %struct.LIST_HELP*, i32, i32, i32, %struct.LIST_HELP*, i32 }
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%struct.SHARED_INDEX_NODE = type { %struct.st*, [3001 x %struct.term*], [4000 x %struct.term*], i32 }
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%struct.LIST_HELP = type { %struct.LIST_HELP*, i8* }
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%struct.CLAUSE_HELP = type { i32, i32, i32, i32, i32*, i32, %struct.LIST_HELP*, %struct.LIST_HELP*, i32, i32, %struct.LITERAL_HELP**, i32, i32, i32, i32 }
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%struct.LITERAL_HELP = type { i32, i32, i32, %struct.CLAUSE_HELP*, %struct.term* }
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declare void @foo(%struct.PROOFSEARCH_HELP*, %struct.CLAUSE_HELP*)
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; CHECK-LABEL: @test
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; CHECK: it
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; CHECK-NEXT: sub
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define hidden fastcc %struct.LIST_HELP* @test(%struct.PROOFSEARCH_HELP* %Search, %struct.LIST_HELP* %ClauseList, i32 %Level, %struct.LIST_HELP** nocapture %New) {
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entry:
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%cmp4.i.i = icmp ugt i32 %Level, 31
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%0 = add i32 %Level, -32
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%1 = lshr i32 %0, 5
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%2 = shl nuw i32 %1, 5
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%3 = sub i32 %0, %2
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%4 = add nuw nsw i32 %1, 1
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br label %for.body
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for.body: ; preds = %for.inc, %entry
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%Scan.038 = phi %struct.LIST_HELP* [ %ClauseList, %entry ], [ %9, %for.inc ]
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%car.i33 = getelementptr inbounds %struct.LIST_HELP, %struct.LIST_HELP* %Scan.038, i32 0, i32 1
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%5 = bitcast i8** %car.i33 to %struct.CLAUSE_HELP**
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%6 = load %struct.CLAUSE_HELP*, %struct.CLAUSE_HELP** %5, align 4
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%. = add i32 %4, 10
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%.Level = select i1 %cmp4.i.i, i32 %3, i32 %Level
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%splitfield.i = getelementptr inbounds %struct.CLAUSE_HELP, %struct.CLAUSE_HELP* %6, i32 0, i32 4
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%7 = load i32*, i32** %splitfield.i, align 4
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%arrayidx.i = getelementptr inbounds i32, i32* %7, i32 %.
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%8 = load i32, i32* %arrayidx.i, align 4
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%shl.i = shl i32 1, %.Level
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%and.i = and i32 %8, %shl.i
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%cmp4.i = icmp eq i32 %and.i, 0
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br i1 %cmp4.i, label %for.inc, label %if.then
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if.then: ; preds = %for.body
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tail call void @foo(%struct.PROOFSEARCH_HELP* %Search, %struct.CLAUSE_HELP* %6)
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store i8* null, i8** %car.i33, align 4
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br label %for.inc
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for.inc: ; preds = %if.then, %for.body
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%cdr.i = getelementptr inbounds %struct.LIST_HELP, %struct.LIST_HELP* %Scan.038, i32 0, i32 0
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%9 = load %struct.LIST_HELP*, %struct.LIST_HELP** %cdr.i, align 4
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br label %for.body
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}
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