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atomic_read_codegen.c
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// RUN: %clang_cc1 -no-opaque-pointers -verify -triple x86_64-apple-darwin10 -target-cpu core2 -fopenmp -x c -emit-llvm %s -o - | FileCheck %s
// RUN: %clang_cc1 -no-opaque-pointers -fopenmp -x c -triple x86_64-apple-darwin10 -target-cpu core2 -emit-pch -o %t %s
// RUN: %clang_cc1 -no-opaque-pointers -fopenmp -x c -triple x86_64-apple-darwin10 -target-cpu core2 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
// RUN: %clang_cc1 -no-opaque-pointers -verify -triple x86_64-apple-darwin10 -target-cpu core2 -fopenmp-simd -x c -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
// RUN: %clang_cc1 -no-opaque-pointers -fopenmp-simd -x c -triple x86_64-apple-darwin10 -target-cpu core2 -emit-pch -o %t %s
// RUN: %clang_cc1 -no-opaque-pointers -fopenmp-simd -x c -triple x86_64-apple-darwin10 -target-cpu core2 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s
// SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
// expected-no-diagnostics
// REQUIRES: x86-registered-target
#ifndef HEADER
#define HEADER
_Bool bv, bx;
char cv, cx;
unsigned char ucv, ucx;
short sv, sx;
unsigned short usv, usx;
int iv, ix;
unsigned int uiv, uix;
long lv, lx;
unsigned long ulv, ulx;
long long llv, llx;
unsigned long long ullv, ullx;
float fv, fx;
double dv, dx;
long double ldv, ldx;
_Complex int civ, cix;
_Complex float cfv, cfx;
_Complex double cdv, cdx;
typedef int int4 __attribute__((__vector_size__(16)));
int4 int4x;
struct BitFields {
int : 32;
int a : 31;
} bfx;
struct BitFields_packed {
int : 32;
int a : 31;
} __attribute__ ((__packed__)) bfx_packed;
struct BitFields2 {
int : 31;
int a : 1;
} bfx2;
struct BitFields2_packed {
int : 31;
int a : 1;
} __attribute__ ((__packed__)) bfx2_packed;
struct BitFields3 {
int : 11;
int a : 14;
} bfx3;
struct BitFields3_packed {
int : 11;
int a : 14;
} __attribute__ ((__packed__)) bfx3_packed;
struct BitFields4 {
short : 16;
int a: 1;
long b : 7;
} bfx4;
struct BitFields4_packed {
short : 16;
int a: 1;
long b : 7;
} __attribute__ ((__packed__)) bfx4_packed;
typedef float float2 __attribute__((ext_vector_type(2)));
float2 float2x;
// Register "0" is currently an invalid register for global register variables.
// Use "esp" instead of "0".
// register int rix __asm__("0");
register int rix __asm__("esp");
// CHECK-LABEL: @main(
int main(void) {
// CHECK: load atomic i8, i8* {{.*}} monotonic, align 1
// CHECK: store i8
#pragma omp atomic read
bv = bx;
// CHECK: load atomic i8, i8* {{.*}} monotonic, align 1
// CHECK: store i8
#pragma omp atomic read
cv = cx;
// CHECK: load atomic i8, i8* {{.*}} monotonic, align 1
// CHECK: store i8
#pragma omp atomic read
ucv = ucx;
// CHECK: load atomic i16, i16* {{.*}} monotonic, align 2
// CHECK: store i16
#pragma omp atomic read
sv = sx;
// CHECK: load atomic i16, i16* {{.*}} monotonic, align 2
// CHECK: store i16
#pragma omp atomic read
usv = usx;
// CHECK: load atomic i32, i32* {{.*}} monotonic, align 4
// CHECK: store i32
#pragma omp atomic read
iv = ix;
// CHECK: load atomic i32, i32* {{.*}} monotonic, align 4
// CHECK: store i32
#pragma omp atomic read
uiv = uix;
// CHECK: load atomic i64, i64* {{.*}} monotonic, align 8
// CHECK: store i64
#pragma omp atomic read
lv = lx;
// CHECK: load atomic i64, i64* {{.*}} monotonic, align 8
// CHECK: store i64
#pragma omp atomic read
ulv = ulx;
// CHECK: load atomic i64, i64* {{.*}} monotonic, align 8
// CHECK: store i64
#pragma omp atomic read
llv = llx;
// CHECK: load atomic i64, i64* {{.*}} monotonic, align 8
// CHECK: store i64
#pragma omp atomic read
ullv = ullx;
// CHECK: load atomic i32, i32* bitcast (float* {{.*}} monotonic, align 4
// CHECK: bitcast i32 {{.*}} to float
// CHECK: store float
#pragma omp atomic read
fv = fx;
// CHECK: load atomic i64, i64* bitcast (double* {{.*}} monotonic, align 8
// CHECK: bitcast i64 {{.*}} to double
// CHECK: store double
#pragma omp atomic read
dv = dx;
// CHECK: [[LD:%.+]] = load atomic i128, i128* bitcast (x86_fp80* {{.*}} monotonic, align 16
// CHECK: [[BITCAST:%.+]] = bitcast x86_fp80* [[LDTEMP:%.*]] to i128*
// CHECK: store i128 [[LD]], i128* [[BITCAST]]
// CHECK: [[LD:%.+]] = load x86_fp80, x86_fp80* [[LDTEMP]]
// CHECK: store x86_fp80 [[LD]]
#pragma omp atomic read
ldv = ldx;
// CHECK: call{{.*}} void @__atomic_load(i64 noundef 8,
// CHECK: store i32
// CHECK: store i32
#pragma omp atomic read
civ = cix;
// CHECK: call{{.*}} void @__atomic_load(i64 noundef 8,
// CHECK: store float
// CHECK: store float
#pragma omp atomic read
cfv = cfx;
// CHECK: call{{.*}} void @__atomic_load(i64 noundef 16,
// CHECK: call{{.*}} @__kmpc_flush(
// CHECK: store double
// CHECK: store double
#pragma omp atomic seq_cst read
cdv = cdx;
// CHECK: load atomic i64, i64* {{.*}} monotonic, align 8
// CHECK: store i8
#pragma omp atomic read
bv = ulx;
// CHECK: load atomic i8, i8* {{.*}} monotonic, align 1
// CHECK: store i8
#pragma omp atomic read
cv = bx;
// CHECK: load atomic i8, i8* {{.*}} seq_cst, align 1
// CHECK: call{{.*}} @__kmpc_flush(
// CHECK: store i8
#pragma omp atomic read seq_cst
ucv = cx;
// CHECK: load atomic i64, i64* {{.*}} monotonic, align 8
// CHECK: store i16
#pragma omp atomic read
sv = ulx;
// CHECK: load atomic i64, i64* {{.*}} monotonic, align 8
// CHECK: store i16
#pragma omp atomic read
usv = lx;
// CHECK: load atomic i32, i32* {{.*}} seq_cst, align 4
// CHECK: call{{.*}} @__kmpc_flush(
// CHECK: store i32
#pragma omp atomic seq_cst, read
iv = uix;
// CHECK: load atomic i32, i32* {{.*}} monotonic, align 4
// CHECK: store i32
#pragma omp atomic read
uiv = ix;
// CHECK: call{{.*}} void @__atomic_load(i64 noundef 8,
// CHECK: store i64
#pragma omp atomic read
lv = cix;
// CHECK: load atomic i32, i32* {{.*}} monotonic, align 4
// CHECK: store i64
#pragma omp atomic read
ulv = fx;
// CHECK: load atomic i64, i64* {{.*}} monotonic, align 8
// CHECK: store i64
#pragma omp atomic read
llv = dx;
// CHECK: load atomic i128, i128* {{.*}} monotonic, align 16
// CHECK: store i64
#pragma omp atomic read
ullv = ldx;
// CHECK: call{{.*}} void @__atomic_load(i64 noundef 8,
// CHECK: store float
#pragma omp atomic read
fv = cix;
// CHECK: load atomic i16, i16* {{.*}} monotonic, align 2
// CHECK: store double
#pragma omp atomic read
dv = sx;
// CHECK: load atomic i8, i8* {{.*}} monotonic, align 1
// CHECK: store x86_fp80
#pragma omp atomic read
ldv = bx;
// CHECK: load atomic i8, i8* {{.*}} monotonic, align 1
// CHECK: store i32
// CHECK: store i32
#pragma omp atomic read
civ = bx;
// CHECK: load atomic i16, i16* {{.*}} monotonic, align 2
// CHECK: store float
// CHECK: store float
#pragma omp atomic read
cfv = usx;
// CHECK: load atomic i64, i64* {{.*}} monotonic, align 8
// CHECK: store double
// CHECK: store double
#pragma omp atomic read
cdv = llx;
// CHECK: [[I128VAL:%.+]] = load atomic i128, i128* bitcast (<4 x i32>* @{{.+}} to i128*) monotonic, align 16
// CHECK: [[I128PTR:%.+]] = bitcast <4 x i32>* [[LDTEMP:%.+]] to i128*
// CHECK: store i128 [[I128VAL]], i128* [[I128PTR]]
// CHECK: [[LD:%.+]] = load <4 x i32>, <4 x i32>* [[LDTEMP]]
// CHECK: extractelement <4 x i32> [[LD]]
// CHECK: store i8
#pragma omp atomic read
bv = int4x[0];
// CHECK: [[LD:%.+]] = load atomic i32, i32* bitcast (i8* getelementptr (i8, i8* bitcast (%{{.+}}* @{{.+}} to i8*), i64 4) to i32*) monotonic, align 4
// CHECK: store i32 [[LD]], i32* [[LDTEMP:%.+]]
// CHECK: [[LD:%.+]] = load i32, i32* [[LDTEMP]]
// CHECK: [[SHL:%.+]] = shl i32 [[LD]], 1
// CHECK: ashr i32 [[SHL]], 1
// CHECK: store x86_fp80
#pragma omp atomic read
ldv = bfx.a;
// CHECK: [[LDTEMP_VOID_PTR:%.+]] = bitcast i32* [[LDTEMP:%.+]] to i8*
// CHECK: call void @__atomic_load(i64 noundef 4, i8* noundef getelementptr (i8, i8* bitcast (%struct.BitFields_packed* @bfx_packed to i8*), i64 4), i8* noundef [[LDTEMP_VOID_PTR]], i32 noundef 0)
// CHECK: [[LD:%.+]] = load i32, i32* [[LDTEMP]]
// CHECK: [[SHL:%.+]] = shl i32 [[LD]], 1
// CHECK: ashr i32 [[SHL]], 1
// CHECK: store x86_fp80
#pragma omp atomic read
ldv = bfx_packed.a;
// CHECK: [[LD:%.+]] = load atomic i32, i32* getelementptr inbounds (%struct.BitFields2, %struct.BitFields2* @bfx2, i32 0, i32 0) monotonic, align 4
// CHECK: store i32 [[LD]], i32* [[LDTEMP:%.+]]
// CHECK: [[LD:%.+]] = load i32, i32* [[LDTEMP]]
// CHECK: ashr i32 [[LD]], 31
// CHECK: store x86_fp80
#pragma omp atomic read
ldv = bfx2.a;
// CHECK: [[LD:%.+]] = load atomic i8, i8* getelementptr (i8, i8* bitcast (%struct.BitFields2_packed* @bfx2_packed to i8*), i64 3) monotonic, align 1
// CHECK: store i8 [[LD]], i8* [[LDTEMP:%.+]]
// CHECK: [[LD:%.+]] = load i8, i8* [[LDTEMP]]
// CHECK: ashr i8 [[LD]], 7
// CHECK: store x86_fp80
#pragma omp atomic read
ldv = bfx2_packed.a;
// CHECK: [[LD:%.+]] = load atomic i32, i32* getelementptr inbounds (%struct.BitFields3, %struct.BitFields3* @bfx3, i32 0, i32 0) monotonic, align 4
// CHECK: store i32 [[LD]], i32* [[LDTEMP:%.+]]
// CHECK: [[LD:%.+]] = load i32, i32* [[LDTEMP]]
// CHECK: [[SHL:%.+]] = shl i32 [[LD]], 7
// CHECK: ashr i32 [[SHL]], 18
// CHECK: store x86_fp80
#pragma omp atomic read
ldv = bfx3.a;
// CHECK: [[LDTEMP_VOID_PTR:%.+]] = bitcast i24* [[LDTEMP:%.+]] to i8*
// CHECK: call void @__atomic_load(i64 noundef 3, i8* noundef getelementptr (i8, i8* bitcast (%struct.BitFields3_packed* @bfx3_packed to i8*), i64 1), i8* noundef [[LDTEMP_VOID_PTR]], i32 noundef 0)
// CHECK: [[LD:%.+]] = load i24, i24* [[LDTEMP]]
// CHECK: [[SHL:%.+]] = shl i24 [[LD]], 7
// CHECK: [[ASHR:%.+]] = ashr i24 [[SHL]], 10
// CHECK: sext i24 [[ASHR]] to i32
// CHECK: store x86_fp80
#pragma omp atomic read
ldv = bfx3_packed.a;
// CHECK: [[LD:%.+]] = load atomic i64, i64* bitcast (%struct.BitFields4* @bfx4 to i64*) monotonic, align 8
// CHECK: store i64 [[LD]], i64* [[LDTEMP:%.+]]
// CHECK: [[LD:%.+]] = load i64, i64* [[LDTEMP]]
// CHECK: [[SHL:%.+]] = shl i64 [[LD]], 47
// CHECK: [[ASHR:%.+]] = ashr i64 [[SHL]], 63
// CHECK: trunc i64 [[ASHR]] to i32
// CHECK: store x86_fp80
#pragma omp atomic read
ldv = bfx4.a;
// CHECK: [[LD:%.+]] = load atomic i8, i8* getelementptr inbounds (%struct.BitFields4_packed, %struct.BitFields4_packed* @bfx4_packed, i32 0, i32 0, i64 2) monotonic, align 1
// CHECK: store i8 [[LD]], i8* [[LDTEMP:%.+]]
// CHECK: [[LD:%.+]] = load i8, i8* [[LDTEMP]]
// CHECK: [[SHL:%.+]] = shl i8 [[LD]], 7
// CHECK: [[ASHR:%.+]] = ashr i8 [[SHL]], 7
// CHECK: sext i8 [[ASHR]] to i32
// CHECK: store x86_fp80
#pragma omp atomic relaxed read
ldv = bfx4_packed.a;
// CHECK: [[LD:%.+]] = load atomic i64, i64* bitcast (%struct.BitFields4* @bfx4 to i64*) monotonic, align 8
// CHECK: store i64 [[LD]], i64* [[LDTEMP:%.+]]
// CHECK: [[LD:%.+]] = load i64, i64* [[LDTEMP]]
// CHECK: [[SHL:%.+]] = shl i64 [[LD]], 40
// CHECK: [[ASHR:%.+]] = ashr i64 [[SHL]], 57
// CHECK: store x86_fp80
#pragma omp atomic read relaxed
ldv = bfx4.b;
// CHECK: [[LD:%.+]] = load atomic i8, i8* getelementptr inbounds (%struct.BitFields4_packed, %struct.BitFields4_packed* @bfx4_packed, i32 0, i32 0, i64 2) acquire, align 1
// CHECK: store i8 [[LD]], i8* [[LDTEMP:%.+]]
// CHECK: [[LD:%.+]] = load i8, i8* [[LDTEMP]]
// CHECK: [[ASHR:%.+]] = ashr i8 [[LD]], 1
// CHECK: sext i8 [[ASHR]] to i64
// CHECK: call{{.*}} @__kmpc_flush(
// CHECK: store x86_fp80
#pragma omp atomic read acquire
ldv = bfx4_packed.b;
// CHECK: [[LD:%.+]] = load atomic i64, i64* bitcast (<2 x float>* @{{.+}} to i64*) monotonic, align 8
// CHECK: [[BITCAST:%.+]] = bitcast <2 x float>* [[LDTEMP:%.+]] to i64*
// CHECK: store i64 [[LD]], i64* [[BITCAST]]
// CHECK: [[LD:%.+]] = load <2 x float>, <2 x float>* [[LDTEMP]]
// CHECK: extractelement <2 x float> [[LD]]
// CHECK: store i64
#pragma omp atomic read
ulv = float2x.x;
// CHECK: call{{.*}} i{{[0-9]+}} @llvm.read_register
// CHECK: call{{.*}} @__kmpc_flush(
// CHECK: store double
#pragma omp atomic read seq_cst
dv = rix;
return 0;
}
#endif