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1; RUN: opt < %s -passes=dse -S2 3target 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"4target triple = "i386-apple-darwin10.0"5 6@g80 = external global i8 ; <ptr> [#uses=3]7 8declare signext i8 @foo(i8 signext, i8 signext) nounwind readnone ssp9 10declare i32 @func68(i32) nounwind readonly ssp11 12; PR481513define void @test1(i32 %int32p54) noreturn nounwind ssp {14entry:15 br label %bb16 17bb: ; preds = %bb, %entry18 %storemerge = phi i8 [ %2, %bb ], [ 1, %entry ] ; <i8> [#uses=1]19 store i8 %storemerge, ptr @g8020 %0 = tail call i32 @func68(i32 1) nounwind ssp ; <i32> [#uses=1]21 %1 = trunc i32 %0 to i8 ; <i8> [#uses=1]22 store i8 %1, ptr @g80, align 123 store i8 undef, ptr @g80, align 124 %2 = tail call signext i8 @foo(i8 signext undef, i8 signext 1) nounwind ; <i8> [#uses=1]25 br label %bb26}27 28define fastcc i32 @test2() nounwind ssp {29bb14: ; preds = %bb430 %0 = getelementptr inbounds ptr, ptr undef, i64 undef ; <ptr> [#uses=1]31 %1 = getelementptr inbounds i16, ptr %0, i64 undef ; <ptr> [#uses=1]32 %2 = getelementptr inbounds i8, ptr %1, i64 undef ; <ptr> [#uses=1]33 %3 = getelementptr inbounds i16, ptr %0, i64 undef ; <ptr> [#uses=1]34 store i16 undef, ptr %3, align 235 %4 = getelementptr inbounds i8, ptr %2, i64 undef ; <ptr> [#uses=1]36 call void @llvm.memcpy.p0.p0.i64(ptr %4, ptr undef, i64 undef, i1 false)37 unreachable38}39 40declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) nounwind41 42 43; rdar://763508844define i32 @test3() {45entry:46 ret i32 047 48dead:49 %P2 = getelementptr i32, ptr %P2, i32 5250 %Q2 = getelementptr i32, ptr %Q2, i32 5251 store i32 4, ptr %P252 store i32 4, ptr %Q253 br label %dead54}55 56 57; PR314158%struct.ada__tags__dispatch_table = type { [1 x i32] }59%struct.f393a00_1__object = type { ptr, i8 }60%struct.f393a00_2__windmill = type { %struct.f393a00_1__object, i16 }61 62define void @test4(ptr %a, ptr %b) {63entry:64 %t = alloca %struct.f393a00_2__windmill ; <ptr> [#uses=1]65 %0 = getelementptr %struct.f393a00_2__windmill, ptr %t, i32 0, i32 0, i32 0 ; <ptr> [#uses=1]66 %1 = load ptr, ptr null, align 4 ; <ptr> [#uses=1]67 %2 = load ptr, ptr %0, align 8 ; <ptr> [#uses=1]68 store ptr %2, ptr null, align 469 store ptr %1, ptr null, align 470 ret void71}72