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