| ; can use a struct pointer to access the first field of the pointer |
| |
| |
| ;RUN: dsaopt %s -dsa-local -analyze -check-type=main:p,0:%\struct.S* |
| ;RUN: dsaopt %s -dsa-local -analyze -check-type=main:s,0:i32* |
| ;RUN: dsaopt %s -dsa-local -analyze -check-type=main:r,0:i32* |
| ;RUN: dsaopt %s -dsa-local -analyze -check-type=main:q,0:i32* |
| ;RUN: dsaopt %s -dsa-local -analyze -check-same-node=main:p:0,main:s |
| ;RUN: dsaopt %s -dsa-local -analyze -check-same-node=main:s:0,main:x,main:r:0,main:q:0 |
| |
| ; ModuleID = 'structFirstField.bc' |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| %struct.S = type { i32* } |
| |
| define void @main() nounwind { |
| entry: |
| %0 = alloca %struct.S ; <%struct.S*> [#uses=2] |
| %x = alloca i32 ; <i32*> [#uses=1] |
| %q = alloca i32* ; <i32**> [#uses=2] |
| %r = alloca i32* ; <i32**> [#uses=1] |
| %s = alloca %struct.S ; <%struct.S*> [#uses=2] |
| %p = alloca %struct.S* ; <%struct.S**> [#uses=2] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| store %struct.S* %s, %struct.S** %p, align 8 |
| store i32* %x, i32** %q, align 8 |
| %q1 = bitcast i32** %q to %struct.S* ; <%struct.S*> [#uses=1] |
| %1 = getelementptr inbounds %struct.S* %0, i32 0, i32 0 ; <i32**> [#uses=1] |
| %2 = getelementptr inbounds %struct.S* %q1, i32 0, i32 0 ; <i32**> [#uses=1] |
| %3 = load i32** %2, align 8 ; <i32*> [#uses=1] |
| store i32* %3, i32** %1, align 8 |
| %4 = load %struct.S** %p, align 8 ; <%struct.S*> [#uses=1] |
| %5 = getelementptr inbounds %struct.S* %4, i32 0, i32 0 ; <i32**> [#uses=1] |
| %6 = getelementptr inbounds %struct.S* %0, i32 0, i32 0 ; <i32**> [#uses=1] |
| %7 = load i32** %6, align 8 ; <i32*> [#uses=1] |
| store i32* %7, i32** %5, align 8 |
| %8 = getelementptr inbounds %struct.S* %s, i32 0, i32 0 ; <i32**> [#uses=1] |
| %9 = load i32** %8, align 8 ; <i32*> [#uses=1] |
| store i32* %9, i32** %r, align 8 |
| br label %return |
| |
| return: ; preds = %entry |
| ret void |
| } |