1 ; RUN: opt < %s -passes=dse -S
3 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"
4 target triple = "i386-apple-darwin10.0"
6 @g80 = external global i8 ; <ptr> [#uses=3]
8 declare signext i8 @foo(i8 signext, i8 signext) nounwind readnone ssp
10 declare i32 @func68(i32) nounwind readonly ssp
13 define void @test1(i32 %int32p54) noreturn nounwind ssp {
17 bb: ; preds = %bb, %entry
18 %storemerge = phi i8 [ %2, %bb ], [ 1, %entry ] ; <i8> [#uses=1]
19 store i8 %storemerge, ptr @g80
20 %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 1
23 store i8 undef, ptr @g80, align 1
24 %2 = tail call signext i8 @foo(i8 signext undef, i8 signext 1) nounwind ; <i8> [#uses=1]
28 define fastcc i32 @test2() nounwind ssp {
30 %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 2
35 %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)
40 declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) nounwind
49 %P2 = getelementptr i32, ptr %P2, i32 52
50 %Q2 = getelementptr i32, ptr %Q2, i32 52
58 %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 }
62 define void @test4(ptr %a, ptr %b) {
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 4
69 store ptr %1, ptr null, align 4