| ; ModuleID = 'union.bc' |
| ; Makes use of unions. Also tests that we do not infer types for loads/stores when we use the type inference opts. |
| ; Works only with type inference opts, as unions are interpreted with array inside the struct. |
| 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" |
| |
| ;RUN: adsaopt %s -mem2reg -mergearrgep -dce -o %t.bc |
| ;RUN: dsaopt %t.bc -dsa-local -analyze -enable-type-inference-opts -check-same-node=func:s1:8,func:x:8 |
| ;RUN: dsaopt %t.bc -dsa-local -analyze -enable-type-inference-opts -check-type=func:s1,0:i32* |
| ;RUN: dsaopt %t.bc -dsa-local -analyze -enable-type-inference-opts -check-type=func:x,VOID |
| |
| %struct.StructType = type { float, i32* } |
| %union.UnionType = type { %struct.StructType, [96 x i32] } |
| |
| define void @func() nounwind { |
| entry: |
| %tmp = alloca i32* ; <i32**> [#uses=2] |
| %s1 = alloca %union.UnionType ; <%union.UnionType*> [#uses=5] |
| %c = alloca i32* ; <i32**> [#uses=1] |
| %d = alloca i32 ; <i32*> [#uses=1] |
| %arr = alloca i32 ; <i32*> [#uses=1] |
| %x = alloca %struct.StructType ; <%struct.StructType*> [#uses=3] |
| %y = alloca float ; <float*> [#uses=1] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| %0 = call noalias i8* @malloc(i64 4) nounwind ; <i8*> [#uses=1] |
| %1 = bitcast i8* %0 to i32* ; <i32*> [#uses=1] |
| store i32* %1, i32** %tmp, align 8 |
| %2 = getelementptr inbounds %union.UnionType, %union.UnionType* %s1, i32 0, i32 0 ; <%struct.StructType*> [#uses=1] |
| %3 = bitcast %struct.StructType* %2 to i32** ; <i32**> [#uses=1] |
| %4 = load i32*, i32** %tmp, align 8 ; <i32*> [#uses=1] |
| store i32* %4, i32** %3, align 8 |
| %5 = getelementptr inbounds %union.UnionType, %union.UnionType* %s1, i32 0, i32 0 ; <%struct.StructType*> [#uses=1] |
| %6 = bitcast %struct.StructType* %5 to i32** ; <i32**> [#uses=1] |
| %7 = load i32*, i32** %6, align 8 ; <i32*> [#uses=1] |
| store i32* %7, i32** %c, align 8 |
| %8 = getelementptr inbounds %union.UnionType, %union.UnionType* %s1, i32 0, i32 0 ; <%struct.StructType*> [#uses=1] |
| %9 = bitcast %struct.StructType* %8 to i32* ; <i32*> [#uses=1] |
| %10 = load i32, i32* %9, align 8 ; <i32> [#uses=1] |
| store i32 %10, i32* %d, align 4 |
| %11 = getelementptr inbounds %union.UnionType, %union.UnionType* %s1, i32 0, i32 0 ; <%struct.StructType*> [#uses=1] |
| %12 = bitcast %struct.StructType* %11 to [100 x i32]* ; <[100 x i32]*> [#uses=1] |
| %13 = getelementptr inbounds [100 x i32], [100 x i32]* %12, i64 0, i64 0 ; <i32*> [#uses=1] |
| %14 = load i32, i32* %13, align 4 ; <i32> [#uses=1] |
| store i32 %14, i32* %arr, align 4 |
| %15 = getelementptr inbounds %union.UnionType, %union.UnionType* %s1, i32 0, i32 0 ; <%struct.StructType*> [#uses=2] |
| %16 = getelementptr inbounds %struct.StructType, %struct.StructType* %x, i32 0, i32 0 ; <float*> [#uses=1] |
| %17 = getelementptr inbounds %struct.StructType, %struct.StructType* %15, i32 0, i32 0 ; <float*> [#uses=1] |
| %18 = load float, float* %17, align 8 ; <float> [#uses=1] |
| store float %18, float* %16, align 8 |
| %19 = getelementptr inbounds %struct.StructType, %struct.StructType* %x, i32 0, i32 1 ; <i32**> [#uses=1] |
| %20 = getelementptr inbounds %struct.StructType, %struct.StructType* %15, i32 0, i32 1 ; <i32**> [#uses=1] |
| %21 = load i32*, i32** %20, align 8 ; <i32*> [#uses=1] |
| store i32* %21, i32** %19, align 8 |
| %22 = getelementptr inbounds %struct.StructType, %struct.StructType* %x, i32 0, i32 0 ; <float*> [#uses=1] |
| %23 = load float, float* %22, align 8 ; <float> [#uses=1] |
| store float %23, float* %y, align 4 |
| br label %return |
| |
| return: ; preds = %entry |
| ret void |
| } |
| |
| declare noalias i8* @malloc(i64) nounwind |