llvm-for-llvmta/tools/clang/test/CodeGen/volatile-2.c

24 lines
1.2 KiB
C

// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s
void test0() {
// CHECK-LABEL: define{{.*}} void @test0()
// CHECK: [[F:%.*]] = alloca float
// CHECK-NEXT: [[REAL:%.*]] = load volatile float, float* getelementptr inbounds ({ float, float }, { float, float }* @test0_v, i32 0, i32 0), align 4
// CHECK-NEXT: load volatile float, float* getelementptr inbounds ({{.*}} @test0_v, i32 0, i32 1), align 4
// CHECK-NEXT: store float [[REAL]], float* [[F]], align 4
// CHECK-NEXT: ret void
extern volatile _Complex float test0_v;
float f = (float) test0_v;
}
void test1() {
// CHECK-LABEL: define{{.*}} void @test1()
// CHECK: [[REAL:%.*]] = load volatile float, float* getelementptr inbounds ({{.*}} @test1_v, i32 0, i32 0), align 4
// CHECK-NEXT: [[IMAG:%.*]] = load volatile float, float* getelementptr inbounds ({{.*}} @test1_v, i32 0, i32 1), align 4
// CHECK-NEXT: store volatile float [[REAL]], float* getelementptr inbounds ({{.*}} @test1_v, i32 0, i32 0), align 4
// CHECK-NEXT: store volatile float [[IMAG]], float* getelementptr inbounds ({{.*}} @test1_v, i32 0, i32 1), align 4
// CHECK-NEXT: ret void
extern volatile _Complex float test1_v;
test1_v = test1_v;
}