| // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s |
| |
| // Validate that volatile _Complex loads and stores are generated |
| // properly, including their alignment (even when overaligned). |
| // |
| // This test assumes that floats are 32-bit aligned and doubles are |
| // 64-bit aligned, and uses x86-64 as a target that should have this |
| // property. |
| |
| volatile _Complex float cf; |
| volatile _Complex double cd; |
| volatile _Complex float cf32 __attribute__((aligned(32))); |
| volatile _Complex double cd32 __attribute__((aligned(32))); |
| |
| // CHECK-LABEL: define{{.*}} void @test_cf() |
| void test_cf() { |
| // CHECK: load volatile float, float* getelementptr inbounds ({ float, float }, { float, float }* @cf, i32 0, i32 0), align 4 |
| // CHECK-NEXT: load volatile float, float* getelementptr inbounds ({ float, float }, { float, float }* @cf, i32 0, i32 1), align 4 |
| (void)(cf); |
| // CHECK-NEXT: [[R:%.*]] = load volatile float, float* getelementptr inbounds ({ float, float }, { float, float }* @cf, i32 0, i32 0), align 4 |
| // CHECK-NEXT: [[I:%.*]] = load volatile float, float* getelementptr inbounds ({ float, float }, { float, float }* @cf, i32 0, i32 1), align 4 |
| // CHECK-NEXT: store volatile float [[R]], float* getelementptr inbounds ({ float, float }, { float, float }* @cf, i32 0, i32 0), align 4 |
| // CHECK-NEXT: store volatile float [[I]], float* getelementptr inbounds ({ float, float }, { float, float }* @cf, i32 0, i32 1), align 4 |
| (void)(cf=cf); |
| // CHECK-NEXT: ret void |
| } |
| |
| // CHECK-LABEL: define{{.*}} void @test_cd() |
| void test_cd() { |
| // CHECK: load volatile double, double* getelementptr inbounds ({ double, double }, { double, double }* @cd, i32 0, i32 0), align 8 |
| // CHECK-NEXT: load volatile double, double* getelementptr inbounds ({ double, double }, { double, double }* @cd, i32 0, i32 1), align 8 |
| (void)(cd); |
| // CHECK-NEXT: [[R:%.*]] = load volatile double, double* getelementptr inbounds ({ double, double }, { double, double }* @cd, i32 0, i32 0), align 8 |
| // CHECK-NEXT: [[I:%.*]] = load volatile double, double* getelementptr inbounds ({ double, double }, { double, double }* @cd, i32 0, i32 1), align 8 |
| // CHECK-NEXT: store volatile double [[R]], double* getelementptr inbounds ({ double, double }, { double, double }* @cd, i32 0, i32 0), align 8 |
| // CHECK-NEXT: store volatile double [[I]], double* getelementptr inbounds ({ double, double }, { double, double }* @cd, i32 0, i32 1), align 8 |
| (void)(cd=cd); |
| // CHECK-NEXT: ret void |
| } |
| |
| // CHECK-LABEL: define{{.*}} void @test_cf32() |
| void test_cf32() { |
| // CHECK: load volatile float, float* getelementptr inbounds ({ float, float }, { float, float }* @cf32, i32 0, i32 0), align 32 |
| // CHECK-NEXT: load volatile float, float* getelementptr inbounds ({ float, float }, { float, float }* @cf32, i32 0, i32 1), align 4 |
| (void)(cf32); |
| // CHECK-NEXT: [[R:%.*]] = load volatile float, float* getelementptr inbounds ({ float, float }, { float, float }* @cf32, i32 0, i32 0), align 32 |
| // CHECK-NEXT: [[I:%.*]] = load volatile float, float* getelementptr inbounds ({ float, float }, { float, float }* @cf32, i32 0, i32 1), align 4 |
| // CHECK-NEXT: store volatile float [[R]], float* getelementptr inbounds ({ float, float }, { float, float }* @cf32, i32 0, i32 0), align 32 |
| // CHECK-NEXT: store volatile float [[I]], float* getelementptr inbounds ({ float, float }, { float, float }* @cf32, i32 0, i32 1), align 4 |
| (void)(cf32=cf32); |
| // CHECK-NEXT: ret void |
| } |
| |
| // CHECK-LABEL: define{{.*}} void @test_cd32() |
| void test_cd32() { |
| // CHECK: load volatile double, double* getelementptr inbounds ({ double, double }, { double, double }* @cd32, i32 0, i32 0), align 32 |
| // CHECK-NEXT: load volatile double, double* getelementptr inbounds ({ double, double }, { double, double }* @cd32, i32 0, i32 1), align 8 |
| (void)(cd32); |
| // CHECK-NEXT: [[R:%.*]] = load volatile double, double* getelementptr inbounds ({ double, double }, { double, double }* @cd32, i32 0, i32 0), align 32 |
| // CHECK-NEXT: [[I:%.*]] = load volatile double, double* getelementptr inbounds ({ double, double }, { double, double }* @cd32, i32 0, i32 1), align 8 |
| // CHECK-NEXT: store volatile double [[R]], double* getelementptr inbounds ({ double, double }, { double, double }* @cd32, i32 0, i32 0), align 32 |
| // CHECK-NEXT: store volatile double [[I]], double* getelementptr inbounds ({ double, double }, { double, double }* @cd32, i32 0, i32 1), align 8 |
| (void)(cd32=cd32); |
| // CHECK-NEXT: ret void |
| } |