1 ; Zero byte allocas should be deleted.
2 target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
4 ; RUN: opt < %s -instcombine -S | \
11 %X = alloca [0 x i32] ; <[0 x i32]*> [#uses=1]
12 call void (...)* @use( [0 x i32]* %X )
13 %Y = alloca i32, i32 0 ; <i32*> [#uses=1]
14 call void (...)* @use( i32* %Y )
15 %Z = alloca { } ; <{ }*> [#uses=1]
16 call void (...)* @use( { }* %Z )
20 define void @test2() {
21 %A = alloca i32 ; <i32*> [#uses=1]
22 store i32 123, i32* %A
26 define void @test3() {
27 %A = alloca { i32 } ; <{ i32 }*> [#uses=1]
28 %B = getelementptr { i32 }* %A, i32 0, i32 0 ; <i32*> [#uses=1]
29 store i32 123, i32* %B