forked from OSchip/llvm-project
155 lines
5.3 KiB
LLVM
155 lines
5.3 KiB
LLVM
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; RUN: opt -passes=alignment-from-assumptions -S < %s | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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%type1 = type { %type2 }
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%type2 = type { [4 x i8] }
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; Function Attrs: nounwind
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declare void @llvm.assume(i1) #0
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; Function Attrs: nounwind readnone
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declare i32 @llvm.bswap.i32(i32) #1
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; Function Attrs: nounwind uwtable
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define void @test1() unnamed_addr #2 align 2 {
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; CHECK-LABEL: @test1
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entry:
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br i1 undef, label %if.then, label %if.end
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if.then: ; preds = %entry
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unreachable
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if.end: ; preds = %entry
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br i1 undef, label %return, label %if.end8
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if.end8: ; preds = %if.end
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br i1 undef, label %if.then13, label %if.end14
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if.then13: ; preds = %if.end8
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unreachable
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if.end14: ; preds = %if.end8
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br i1 undef, label %cond.false.i129, label %cond.end.i136
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cond.false.i129: ; preds = %if.end14
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unreachable
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cond.end.i136: ; preds = %if.end14
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br i1 undef, label %land.lhs.true.i, label %if.end.i145
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land.lhs.true.i: ; preds = %cond.end.i136
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br i1 undef, label %if.end.i145, label %if.then.i137
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if.then.i137: ; preds = %land.lhs.true.i
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br i1 undef, label %cond.false8.i, label %cond.end9.i
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cond.false8.i: ; preds = %if.then.i137
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unreachable
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cond.end9.i: ; preds = %if.then.i137
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br i1 undef, label %if.then23, label %if.end24
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if.end.i145: ; preds = %land.lhs.true.i, %cond.end.i136
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unreachable
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if.then23: ; preds = %cond.end9.i
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unreachable
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if.end24: ; preds = %cond.end9.i
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br i1 undef, label %for.end, label %for.body.lr.ph
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for.body.lr.ph: ; preds = %if.end24
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unreachable
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for.end: ; preds = %if.end24
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br i1 undef, label %if.end123, label %if.then121
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if.then121: ; preds = %for.end
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unreachable
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if.end123: ; preds = %for.end
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br i1 undef, label %if.end150, label %if.then126
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if.then126: ; preds = %if.end123
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%ptrint.i.i185 = ptrtoint %type1* undef to i64
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%maskedptr.i.i186 = and i64 %ptrint.i.i185, 1
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%maskcond.i.i187 = icmp eq i64 %maskedptr.i.i186, 0
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tail call void @llvm.assume(i1 %maskcond.i.i187) #0
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%ret.0..sroa_cast.i.i188 = bitcast %type1* undef to i32*
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%ret.0.copyload.i.i189 = load i32, i32* %ret.0..sroa_cast.i.i188, align 2
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; CHECK: load {{.*}} align 2
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%0 = tail call i32 @llvm.bswap.i32(i32 %ret.0.copyload.i.i189) #0
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%conv131 = zext i32 %0 to i64
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%add.ptr132 = getelementptr inbounds i8, i8* undef, i64 %conv131
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%1 = bitcast i8* %add.ptr132 to %type1*
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br i1 undef, label %if.end150, label %if.end.i173
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if.end.i173: ; preds = %if.then126
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br i1 undef, label %test1.exit, label %cond.false.i.i.i.i174
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cond.false.i.i.i.i174: ; preds = %if.end.i173
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unreachable
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test1.exit: ; preds = %if.end.i173
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br i1 undef, label %test1a.exit, label %if.end.i124
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if.end.i124: ; preds = %test1.exit
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unreachable
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test1a.exit: ; preds = %test1.exit
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br i1 undef, label %if.end150, label %for.body137.lr.ph
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for.body137.lr.ph: ; preds = %test1a.exit
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br label %for.body137
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for.body137: ; preds = %test1b.exit, %for.body137.lr.ph
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%ShndxTable.0309 = phi %type1* [ %1, %for.body137.lr.ph ], [ %incdec.ptr, %test1b.exit ]
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%ret.0..sroa_cast.i.i106 = bitcast %type1* %ShndxTable.0309 to i32*
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br i1 undef, label %for.body137.if.end146_crit_edge, label %if.then140
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for.body137.if.end146_crit_edge: ; preds = %for.body137
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%incdec.ptr = getelementptr inbounds %type1, %type1* %ShndxTable.0309, i64 1
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br i1 undef, label %cond.false.i70, label %cond.end.i
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if.then140: ; preds = %for.body137
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%ret.0.copyload.i.i102 = load i32, i32* %ret.0..sroa_cast.i.i106, align 2
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; CHECK: load {{.*}} align 2
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unreachable
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cond.false.i70: ; preds = %for.body137.if.end146_crit_edge
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unreachable
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cond.end.i: ; preds = %for.body137.if.end146_crit_edge
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br i1 undef, label %test1b.exit, label %cond.false.i.i
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cond.false.i.i: ; preds = %cond.end.i
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unreachable
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test1b.exit: ; preds = %cond.end.i
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br i1 undef, label %if.end150, label %for.body137
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if.end150: ; preds = %test1b.exit, %test1a.exit, %if.then126, %if.end123
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br i1 undef, label %for.end176, label %for.body155.lr.ph
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for.body155.lr.ph: ; preds = %if.end150
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unreachable
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for.end176: ; preds = %if.end150
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unreachable
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return: ; preds = %if.end
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ret void
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}
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attributes #0 = { nounwind }
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attributes #1 = { nounwind readnone }
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attributes #2 = { nounwind uwtable }
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