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 // datalayout. 9 10 // CHECK: target datalayout = "{{.*}}f32:32:32-f64:64:64{{.*}}" 11 12 volatile _Complex float cf; 13 volatile _Complex double cd; 14 volatile _Complex float cf32 __attribute__((aligned(32))); 15 volatile _Complex double cd32 __attribute__((aligned(32))); 16 17 // CHECK-LABEL-LABEL: define void @test_cf() 18 void test_cf() { 19 // CHECK: load volatile float* getelementptr inbounds ({ float, float }* @cf, i32 0, i32 0), align 4 20 // CHECK-NEXT: load volatile float* getelementptr inbounds ({ float, float }* @cf, i32 0, i32 1), align 4 21 (void)(cf); 22 // CHECK-NEXT: [[R:%.*]] = load volatile float* getelementptr inbounds ({ float, float }* @cf, i32 0, i32 0), align 4 23 // CHECK-NEXT: [[I:%.*]] = load volatile float* getelementptr inbounds ({ float, float }* @cf, i32 0, i32 1), align 4 24 // CHECK-NEXT: store volatile float [[R]], float* getelementptr inbounds ({ float, float }* @cf, i32 0, i32 0), align 4 25 // CHECK-NEXT: store volatile float [[I]], float* getelementptr inbounds ({ float, float }* @cf, i32 0, i32 1), align 4 26 (void)(cf=cf); 27 // CHECK-NEXT: ret void 28 } 29 30 // CHECK-LABEL-LABEL: define void @test_cd() 31 void test_cd() { 32 // CHECK: load volatile double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 0), align 8 33 // CHECK-NEXT: load volatile double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 1), align 8 34 (void)(cd); 35 // CHECK-NEXT: [[R:%.*]] = load volatile double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 0), align 8 36 // CHECK-NEXT: [[I:%.*]] = load volatile double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 1), align 8 37 // CHECK-NEXT: store volatile double [[R]], double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 0), align 8 38 // CHECK-NEXT: store volatile double [[I]], double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 1), align 8 39 (void)(cd=cd); 40 // CHECK-NEXT: ret void 41 } 42 43 // CHECK-LABEL-LABEL: define void @test_cf32() 44 void test_cf32() { 45 // CHECK: load volatile float* getelementptr inbounds ({ float, float }* @cf32, i32 0, i32 0), align 32 46 // CHECK-NEXT: load volatile float* getelementptr inbounds ({ float, float }* @cf32, i32 0, i32 1), align 4 47 (void)(cf32); 48 // CHECK-NEXT: [[R:%.*]] = load volatile float* getelementptr inbounds ({ float, float }* @cf32, i32 0, i32 0), align 32 49 // CHECK-NEXT: [[I:%.*]] = load volatile float* getelementptr inbounds ({ float, float }* @cf32, i32 0, i32 1), align 4 50 // CHECK-NEXT: store volatile float [[R]], float* getelementptr inbounds ({ float, float }* @cf32, i32 0, i32 0), align 32 51 // CHECK-NEXT: store volatile float [[I]], float* getelementptr inbounds ({ float, float }* @cf32, i32 0, i32 1), align 4 52 (void)(cf32=cf32); 53 // CHECK-NEXT: ret void 54 } 55 56 // CHECK-LABEL-LABEL: define void @test_cd32() 57 void test_cd32() { 58 // CHECK: load volatile double* getelementptr inbounds ({ double, double }* @cd32, i32 0, i32 0), align 32 59 // CHECK-NEXT: load volatile double* getelementptr inbounds ({ double, double }* @cd32, i32 0, i32 1), align 8 60 (void)(cd32); 61 // CHECK-NEXT: [[R:%.*]] = load volatile double* getelementptr inbounds ({ double, double }* @cd32, i32 0, i32 0), align 32 62 // CHECK-NEXT: [[I:%.*]] = load volatile double* getelementptr inbounds ({ double, double }* @cd32, i32 0, i32 1), align 8 63 // CHECK-NEXT: store volatile double [[R]], double* getelementptr inbounds ({ double, double }* @cd32, i32 0, i32 0), align 32 64 // CHECK-NEXT: store volatile double [[I]], double* getelementptr inbounds ({ double, double }* @cd32, i32 0, i32 1), align 8 65 (void)(cd32=cd32); 66 // CHECK-NEXT: ret void 67 } 68