diff options
Diffstat (limited to 'test/CodeGen/vla.c')
-rw-r--r-- | test/CodeGen/vla.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/test/CodeGen/vla.c b/test/CodeGen/vla.c index 9e62da52e026..e15182762706 100644 --- a/test/CodeGen/vla.c +++ b/test/CodeGen/vla.c @@ -142,3 +142,52 @@ int test4(unsigned n, char (*p)[n][n+1][6]) { // CHECK-NEXT: ret i32 [[T7]] return p2 - p; } + +// rdar://11485774 +void test5(void) +{ + // CHECK: define void @test5( + int a[5], i = 0; + // CHECK: [[A:%.*]] = alloca [5 x i32], align 4 + // CHECK-NEXT: [[I:%.*]] = alloca i32, align 4 + // CHECK-NEXT: [[CL:%.*]] = alloca i32*, align 4 + // CHECK-NEXT: store i32 0, i32* [[I]], align 4 + + (typeof(++i, (int (*)[i])a)){&a} += 0; + // CHECK-NEXT: [[Z:%.*]] = load i32* [[I]], align 4 + // CHECK-NEXT: [[INC:%.*]] = add nsw i32 [[Z]], 1 + // CHECK-NEXT: store i32 [[INC]], i32* [[I]], align 4 + // CHECK-NEXT: [[O:%.*]] = load i32* [[I]], align 4 + // CHECK-NEXT: [[AR:%.*]] = getelementptr inbounds [5 x i32]* [[A]], i32 0, i32 0 + // CHECK-NEXT: [[T:%.*]] = bitcast [5 x i32]* [[A]] to i32* + // CHECK-NEXT: store i32* [[T]], i32** [[CL]] + // CHECK-NEXT: [[TH:%.*]] = load i32** [[CL]] + // CHECK-NEXT: [[VLAIX:%.*]] = mul nsw i32 0, [[O]] + // CHECK-NEXT: [[ADDPTR:%.*]] = getelementptr inbounds i32* [[TH]], i32 [[VLAIX]] + // CHECK-NEXT: store i32* [[ADDPTR]], i32** [[CL]] +} + +void test6(void) +{ + // CHECK: define void @test6( + int n = 20, **a, i=0; + // CHECK: [[N:%.*]] = alloca i32, align 4 + // CHECK-NEXT: [[A:%.*]] = alloca i32**, align 4 + // CHECK-NEXT: [[I:%.*]] = alloca i32, align 4 + (int (**)[i]){&a}[0][1][5] = 0; + // CHECK-NEXT: [[CL:%.*]] = alloca i32**, align 4 + // CHECK-NEXT: store i32 20, i32* [[N]], align 4 + // CHECK-NEXT: store i32 0, i32* [[I]], align 4 + // CHECK-NEXT: [[Z:%.*]] = load i32* [[I]], align 4 + // CHECK-NEXT: [[O:%.*]] = bitcast i32*** [[A]] to i32** + // CHECK-NEXT: store i32** [[O]], i32*** [[CL]] + // CHECK-NEXT: [[T:%.*]] = load i32*** [[CL]] + // CHECK-NEXT: [[IX:%.*]] = getelementptr inbounds i32** [[T]], i32 0 + // CHECK-NEXT: [[TH:%.*]] = load i32** [[IX]], align 4 + // CHECK-NEXT: [[F:%.*]] = mul nsw i32 1, [[Z]] + // CHECK-NEXT: [[IX1:%.*]] = getelementptr inbounds i32* [[TH]], i32 [[F]] + // CHECK-NEXT: [[IX2:%.*]] = getelementptr inbounds i32* [[IX1]], i32 5 + // CHECK-NEXT: store i32 0, i32* [[IX2]], align 4 +} + + |