1 | // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s |
2 | |
3 | // Validate that volatile _Complex loads and stores are generated |
4 | // properly, including their alignment (even when overaligned). |
5 | // |
6 | // This test assumes that floats are 32-bit aligned and doubles are |
7 | // 64-bit aligned, and uses x86-64 as a target that should have this |
8 | // property. |
9 | |
10 | volatile _Complex float cf; |
11 | volatile _Complex double cd; |
12 | volatile _Complex float cf32 __attribute__((aligned(32))); |
13 | volatile _Complex double cd32 __attribute__((aligned(32))); |
14 | |
15 | // CHECK-LABEL: define void @test_cf() |
16 | void test_cf() { |
17 | // CHECK: load volatile float, float* getelementptr inbounds ({ float, float }, { float, float }* @cf, i32 0, i32 0), align 4 |
18 | // CHECK-NEXT: load volatile float, float* getelementptr inbounds ({ float, float }, { float, float }* @cf, i32 0, i32 1), align 4 |
19 | (void)(cf); |
20 | // CHECK-NEXT: [[R:%.*]] = load volatile float, float* getelementptr inbounds ({ float, float }, { float, float }* @cf, i32 0, i32 0), align 4 |
21 | // CHECK-NEXT: [[I:%.*]] = load volatile float, float* getelementptr inbounds ({ float, float }, { float, float }* @cf, i32 0, i32 1), align 4 |
22 | // CHECK-NEXT: store volatile float [[R]], float* getelementptr inbounds ({ float, float }, { float, float }* @cf, i32 0, i32 0), align 4 |
23 | // CHECK-NEXT: store volatile float [[I]], float* getelementptr inbounds ({ float, float }, { float, float }* @cf, i32 0, i32 1), align 4 |
24 | (void)(cf=cf); |
25 | // CHECK-NEXT: ret void |
26 | } |
27 | |
28 | // CHECK-LABEL: define void @test_cd() |
29 | void test_cd() { |
30 | // CHECK: load volatile double, double* getelementptr inbounds ({ double, double }, { double, double }* @cd, i32 0, i32 0), align 8 |
31 | // CHECK-NEXT: load volatile double, double* getelementptr inbounds ({ double, double }, { double, double }* @cd, i32 0, i32 1), align 8 |
32 | (void)(cd); |
33 | // CHECK-NEXT: [[R:%.*]] = load volatile double, double* getelementptr inbounds ({ double, double }, { double, double }* @cd, i32 0, i32 0), align 8 |
34 | // CHECK-NEXT: [[I:%.*]] = load volatile double, double* getelementptr inbounds ({ double, double }, { double, double }* @cd, i32 0, i32 1), align 8 |
35 | // CHECK-NEXT: store volatile double [[R]], double* getelementptr inbounds ({ double, double }, { double, double }* @cd, i32 0, i32 0), align 8 |
36 | // CHECK-NEXT: store volatile double [[I]], double* getelementptr inbounds ({ double, double }, { double, double }* @cd, i32 0, i32 1), align 8 |
37 | (void)(cd=cd); |
38 | // CHECK-NEXT: ret void |
39 | } |
40 | |
41 | // CHECK-LABEL: define void @test_cf32() |
42 | void test_cf32() { |
43 | // CHECK: load volatile float, float* getelementptr inbounds ({ float, float }, { float, float }* @cf32, i32 0, i32 0), align 32 |
44 | // CHECK-NEXT: load volatile float, float* getelementptr inbounds ({ float, float }, { float, float }* @cf32, i32 0, i32 1), align 4 |
45 | (void)(cf32); |
46 | // CHECK-NEXT: [[R:%.*]] = load volatile float, float* getelementptr inbounds ({ float, float }, { float, float }* @cf32, i32 0, i32 0), align 32 |
47 | // CHECK-NEXT: [[I:%.*]] = load volatile float, float* getelementptr inbounds ({ float, float }, { float, float }* @cf32, i32 0, i32 1), align 4 |
48 | // CHECK-NEXT: store volatile float [[R]], float* getelementptr inbounds ({ float, float }, { float, float }* @cf32, i32 0, i32 0), align 32 |
49 | // CHECK-NEXT: store volatile float [[I]], float* getelementptr inbounds ({ float, float }, { float, float }* @cf32, i32 0, i32 1), align 4 |
50 | (void)(cf32=cf32); |
51 | // CHECK-NEXT: ret void |
52 | } |
53 | |
54 | // CHECK-LABEL: define void @test_cd32() |
55 | void test_cd32() { |
56 | // CHECK: load volatile double, double* getelementptr inbounds ({ double, double }, { double, double }* @cd32, i32 0, i32 0), align 32 |
57 | // CHECK-NEXT: load volatile double, double* getelementptr inbounds ({ double, double }, { double, double }* @cd32, i32 0, i32 1), align 8 |
58 | (void)(cd32); |
59 | // CHECK-NEXT: [[R:%.*]] = load volatile double, double* getelementptr inbounds ({ double, double }, { double, double }* @cd32, i32 0, i32 0), align 32 |
60 | // CHECK-NEXT: [[I:%.*]] = load volatile double, double* getelementptr inbounds ({ double, double }, { double, double }* @cd32, i32 0, i32 1), align 8 |
61 | // CHECK-NEXT: store volatile double [[R]], double* getelementptr inbounds ({ double, double }, { double, double }* @cd32, i32 0, i32 0), align 32 |
62 | // CHECK-NEXT: store volatile double [[I]], double* getelementptr inbounds ({ double, double }, { double, double }* @cd32, i32 0, i32 1), align 8 |
63 | (void)(cd32=cd32); |
64 | // CHECK-NEXT: ret void |
65 | } |
66 | |