| ; RUN: opt < %s -basicaa -dse -S |
| |
| target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" |
| target triple = "i386-apple-darwin10.0" |
| |
| @g80 = external global i8 ; <i8*> [#uses=3] |
| |
| declare signext i8 @foo(i8 signext, i8 signext) nounwind readnone ssp |
| |
| declare i32 @func68(i32) nounwind readonly ssp |
| |
| ; PR4815 |
| define void @test1(i32 %int32p54) noreturn nounwind ssp { |
| entry: |
| br label %bb |
| |
| bb: ; preds = %bb, %entry |
| %storemerge = phi i8 [ %2, %bb ], [ 1, %entry ] ; <i8> [#uses=1] |
| store i8 %storemerge, i8* @g80 |
| %0 = tail call i32 @func68(i32 1) nounwind ssp ; <i32> [#uses=1] |
| %1 = trunc i32 %0 to i8 ; <i8> [#uses=1] |
| store i8 %1, i8* @g80, align 1 |
| store i8 undef, i8* @g80, align 1 |
| %2 = tail call signext i8 @foo(i8 signext undef, i8 signext 1) nounwind ; <i8> [#uses=1] |
| br label %bb |
| } |
| |
| define fastcc i32 @test2() nounwind ssp { |
| bb14: ; preds = %bb4 |
| %0 = bitcast i8* undef to i8** ; <i8**> [#uses=1] |
| %1 = getelementptr inbounds i8*, i8** %0, i64 undef ; <i8**> [#uses=1] |
| %2 = bitcast i8** %1 to i16* ; <i16*> [#uses=2] |
| %3 = getelementptr inbounds i16, i16* %2, i64 undef ; <i16*> [#uses=1] |
| %4 = bitcast i16* %3 to i8* ; <i8*> [#uses=1] |
| %5 = getelementptr inbounds i8, i8* %4, i64 undef ; <i8*> [#uses=1] |
| %6 = getelementptr inbounds i16, i16* %2, i64 undef ; <i16*> [#uses=1] |
| store i16 undef, i16* %6, align 2 |
| %7 = getelementptr inbounds i8, i8* %5, i64 undef ; <i8*> [#uses=1] |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* %7, i8* undef, i64 undef, i1 false) |
| unreachable |
| } |
| |
| declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1) nounwind |
| |
| |
| ; rdar://7635088 |
| define i32 @test3() { |
| entry: |
| ret i32 0 |
| |
| dead: |
| %P2 = getelementptr i32, i32 *%P2, i32 52 |
| %Q2 = getelementptr i32, i32 *%Q2, i32 52 |
| store i32 4, i32* %P2 |
| store i32 4, i32* %Q2 |
| br label %dead |
| } |
| |
| |
| ; PR3141 |
| %struct.ada__tags__dispatch_table = type { [1 x i32] } |
| %struct.f393a00_1__object = type { %struct.ada__tags__dispatch_table*, i8 } |
| %struct.f393a00_2__windmill = type { %struct.f393a00_1__object, i16 } |
| |
| define void @test4(%struct.f393a00_2__windmill* %a, %struct.f393a00_2__windmill* %b) { |
| entry: |
| %t = alloca %struct.f393a00_2__windmill ; <%struct.f393a00_2__windmill*> [#uses=1] |
| %0 = getelementptr %struct.f393a00_2__windmill, %struct.f393a00_2__windmill* %t, i32 0, i32 0, i32 0 ; <%struct.ada__tags__dispatch_table**> [#uses=1] |
| %1 = load %struct.ada__tags__dispatch_table*, %struct.ada__tags__dispatch_table** null, align 4 ; <%struct.ada__tags__dispatch_table*> [#uses=1] |
| %2 = load %struct.ada__tags__dispatch_table*, %struct.ada__tags__dispatch_table** %0, align 8 ; <%struct.ada__tags__dispatch_table*> [#uses=1] |
| store %struct.ada__tags__dispatch_table* %2, %struct.ada__tags__dispatch_table** null, align 4 |
| store %struct.ada__tags__dispatch_table* %1, %struct.ada__tags__dispatch_table** null, align 4 |
| ret void |
| } |