66 lines · c
1// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s2 3// Validate that volatile _Complex loads and stores are generated4// properly, including their alignment (even when overaligned).5//6// This test assumes that floats are 32-bit aligned and doubles are7// 64-bit aligned, and uses x86-64 as a target that should have this8// property.9 10volatile _Complex float cf;11volatile _Complex double cd;12volatile _Complex float cf32 __attribute__((aligned(32)));13volatile _Complex double cd32 __attribute__((aligned(32)));14 15// CHECK-LABEL: define{{.*}} void @test_cf()16void test_cf(void) {17 // CHECK: load volatile float, ptr @cf, align 418 // CHECK-NEXT: load volatile float, ptr getelementptr inbounds nuw ({ float, float }, ptr @cf, i32 0, i32 1), align 419 (void)(cf);20 // CHECK-NEXT: [[R:%.*]] = load volatile float, ptr @cf, align 421 // CHECK-NEXT: [[I:%.*]] = load volatile float, ptr getelementptr inbounds nuw ({ float, float }, ptr @cf, i32 0, i32 1), align 422 // CHECK-NEXT: store volatile float [[R]], ptr @cf, align 423 // CHECK-NEXT: store volatile float [[I]], ptr getelementptr inbounds nuw ({ float, float }, ptr @cf, i32 0, i32 1), align 424 (void)(cf=cf);25 // CHECK-NEXT: ret void26}27 28// CHECK-LABEL: define{{.*}} void @test_cd()29void test_cd(void) {30 // CHECK: load volatile double, ptr @cd, align 831 // CHECK-NEXT: load volatile double, ptr getelementptr inbounds nuw ({ double, double }, ptr @cd, i32 0, i32 1), align 832 (void)(cd);33 // CHECK-NEXT: [[R:%.*]] = load volatile double, ptr @cd, align 834 // CHECK-NEXT: [[I:%.*]] = load volatile double, ptr getelementptr inbounds nuw ({ double, double }, ptr @cd, i32 0, i32 1), align 835 // CHECK-NEXT: store volatile double [[R]], ptr @cd, align 836 // CHECK-NEXT: store volatile double [[I]], ptr getelementptr inbounds nuw ({ double, double }, ptr @cd, i32 0, i32 1), align 837 (void)(cd=cd);38 // CHECK-NEXT: ret void39}40 41// CHECK-LABEL: define{{.*}} void @test_cf32()42void test_cf32(void) {43 // CHECK: load volatile float, ptr @cf32, align 3244 // CHECK-NEXT: load volatile float, ptr getelementptr inbounds nuw ({ float, float }, ptr @cf32, i32 0, i32 1), align 445 (void)(cf32);46 // CHECK-NEXT: [[R:%.*]] = load volatile float, ptr @cf32, align 3247 // CHECK-NEXT: [[I:%.*]] = load volatile float, ptr getelementptr inbounds nuw ({ float, float }, ptr @cf32, i32 0, i32 1), align 448 // CHECK-NEXT: store volatile float [[R]], ptr @cf32, align 3249 // CHECK-NEXT: store volatile float [[I]], ptr getelementptr inbounds nuw ({ float, float }, ptr @cf32, i32 0, i32 1), align 450 (void)(cf32=cf32);51 // CHECK-NEXT: ret void52}53 54// CHECK-LABEL: define{{.*}} void @test_cd32()55void test_cd32(void) {56 // CHECK: load volatile double, ptr @cd32, align 3257 // CHECK-NEXT: load volatile double, ptr getelementptr inbounds nuw ({ double, double }, ptr @cd32, i32 0, i32 1), align 858 (void)(cd32);59 // CHECK-NEXT: [[R:%.*]] = load volatile double, ptr @cd32, align 3260 // CHECK-NEXT: [[I:%.*]] = load volatile double, ptr getelementptr inbounds nuw ({ double, double }, ptr @cd32, i32 0, i32 1), align 861 // CHECK-NEXT: store volatile double [[R]], ptr @cd32, align 3262 // CHECK-NEXT: store volatile double [[I]], ptr getelementptr inbounds nuw ({ double, double }, ptr @cd32, i32 0, i32 1), align 863 (void)(cd32=cd32);64 // CHECK-NEXT: ret void65}66