1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -triple x86_64-apple-darwin %s -emit-llvm -o - | FileCheck %s 2*f4a2713aSLionel Sambuc 3*f4a2713aSLionel Sambuc template<typename T> 4*f4a2713aSLionel Sambuc struct S { 5*f4a2713aSLionel Sambuc static int n; 6*f4a2713aSLionel Sambuc }; 7*f4a2713aSLionel Sambuc template<typename T> int S<T>::n = 5; 8*f4a2713aSLionel Sambuc 9*f4a2713aSLionel Sambuc int f() { 10*f4a2713aSLionel Sambuc // Make sure that the reference here is enough to trigger the instantiation of 11*f4a2713aSLionel Sambuc // the static data member. 12*f4a2713aSLionel Sambuc // CHECK: @_ZN1SIiE1nE = weak_odr global i32 5 13*f4a2713aSLionel Sambuc int a[S<int>::n]; 14*f4a2713aSLionel Sambuc return sizeof a; 15*f4a2713aSLionel Sambuc } 16*f4a2713aSLionel Sambuc 17*f4a2713aSLionel Sambuc // rdar://problem/9506377 18*f4a2713aSLionel Sambuc void test0(void *array, int n) { 19*f4a2713aSLionel Sambuc // CHECK-LABEL: define void @_Z5test0Pvi( 20*f4a2713aSLionel Sambuc // CHECK: [[ARRAY:%.*]] = alloca i8*, align 8 21*f4a2713aSLionel Sambuc // CHECK-NEXT: [[N:%.*]] = alloca i32, align 4 22*f4a2713aSLionel Sambuc // CHECK-NEXT: [[REF:%.*]] = alloca i16*, align 8 23*f4a2713aSLionel Sambuc // CHECK-NEXT: [[S:%.*]] = alloca i16, align 2 24*f4a2713aSLionel Sambuc // CHECK-NEXT: store i8* 25*f4a2713aSLionel Sambuc // CHECK-NEXT: store i32 26*f4a2713aSLionel Sambuc 27*f4a2713aSLionel Sambuc // Capture the bounds. 28*f4a2713aSLionel Sambuc // CHECK-NEXT: [[T0:%.*]] = load i32* [[N]], align 4 29*f4a2713aSLionel Sambuc // CHECK-NEXT: [[DIM0:%.*]] = zext i32 [[T0]] to i64 30*f4a2713aSLionel Sambuc // CHECK-NEXT: [[T0:%.*]] = load i32* [[N]], align 4 31*f4a2713aSLionel Sambuc // CHECK-NEXT: [[T1:%.*]] = add nsw i32 [[T0]], 1 32*f4a2713aSLionel Sambuc // CHECK-NEXT: [[DIM1:%.*]] = zext i32 [[T1]] to i64 33*f4a2713aSLionel Sambuc typedef short array_t[n][n+1]; 34*f4a2713aSLionel Sambuc 35*f4a2713aSLionel Sambuc // CHECK-NEXT: [[T0:%.*]] = load i8** [[ARRAY]], align 8 36*f4a2713aSLionel Sambuc // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to i16* 37*f4a2713aSLionel Sambuc // CHECK-NEXT: store i16* [[T1]], i16** [[REF]], align 8 38*f4a2713aSLionel Sambuc array_t &ref = *(array_t*) array; 39*f4a2713aSLionel Sambuc 40*f4a2713aSLionel Sambuc // CHECK-NEXT: [[T0:%.*]] = load i16** [[REF]] 41*f4a2713aSLionel Sambuc // CHECK-NEXT: [[T1:%.*]] = mul nsw i64 1, [[DIM1]] 42*f4a2713aSLionel Sambuc // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds i16* [[T0]], i64 [[T1]] 43*f4a2713aSLionel Sambuc // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i16* [[T2]], i64 2 44*f4a2713aSLionel Sambuc // CHECK-NEXT: store i16 3, i16* [[T3]] 45*f4a2713aSLionel Sambuc ref[1][2] = 3; 46*f4a2713aSLionel Sambuc 47*f4a2713aSLionel Sambuc // CHECK-NEXT: [[T0:%.*]] = load i16** [[REF]] 48*f4a2713aSLionel Sambuc // CHECK-NEXT: [[T1:%.*]] = mul nsw i64 4, [[DIM1]] 49*f4a2713aSLionel Sambuc // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds i16* [[T0]], i64 [[T1]] 50*f4a2713aSLionel Sambuc // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i16* [[T2]], i64 5 51*f4a2713aSLionel Sambuc // CHECK-NEXT: [[T4:%.*]] = load i16* [[T3]] 52*f4a2713aSLionel Sambuc // CHECK-NEXT: store i16 [[T4]], i16* [[S]], align 2 53*f4a2713aSLionel Sambuc short s = ref[4][5]; 54*f4a2713aSLionel Sambuc 55*f4a2713aSLionel Sambuc // CHECK-NEXT: ret void 56*f4a2713aSLionel Sambuc } 57