forked from OSchip/llvm-project
219 lines
7.4 KiB
C
219 lines
7.4 KiB
C
// RUN: %clang_cc1 -no-opaque-pointers -triple=aarch64-unknown-linux-gnu -emit-llvm < %s | FileCheck %s -check-prefix CHECK -check-prefixes CHECK-IT,CHECK-IT-ARM
|
|
// RUN: %clang_cc1 -no-opaque-pointers -triple=x86_64-unknown-linux-gnu -emit-llvm < %s | FileCheck %s -check-prefix CHECK -check-prefixes CHECK-IT,CHECK-IT-OTHER
|
|
// RUN: %clang_cc1 -no-opaque-pointers -triple=%ms_abi_triple -emit-llvm < %s | FileCheck %s -check-prefix CHECK -check-prefix CHECK-MS
|
|
|
|
int S;
|
|
volatile int vS;
|
|
|
|
int* pS;
|
|
volatile int* pvS;
|
|
|
|
int A[10];
|
|
volatile int vA[10];
|
|
|
|
struct { int x; } F;
|
|
struct { volatile int x; } vF;
|
|
|
|
struct { int x; } F2;
|
|
volatile struct { int x; } vF2;
|
|
volatile struct { int x; } *vpF2;
|
|
|
|
struct { struct { int y; } x; } F3;
|
|
volatile struct { struct { int y; } x; } vF3;
|
|
|
|
struct { int x:3; } BF;
|
|
struct { volatile int x:3; } vBF;
|
|
|
|
typedef int v4si __attribute__ ((vector_size (16)));
|
|
v4si V;
|
|
volatile v4si vV;
|
|
|
|
typedef __attribute__(( ext_vector_type(4) )) int extv4;
|
|
extv4 VE;
|
|
volatile extv4 vVE;
|
|
|
|
volatile struct {int x;} aggFct(void);
|
|
|
|
typedef volatile int volatile_int;
|
|
volatile_int vtS;
|
|
|
|
int main(void) {
|
|
int i;
|
|
// CHECK: [[I:%[a-zA-Z0-9_.]+]] = alloca i32
|
|
// load
|
|
i=S;
|
|
// CHECK: load i32, i32* @S
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i=vS;
|
|
// CHECK: load volatile i32, i32* @vS
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i=*pS;
|
|
// CHECK: [[PS_VAL:%[a-zA-Z0-9_.]+]] = load i32*, i32** @pS
|
|
// CHECK: load i32, i32* [[PS_VAL]]
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i=*pvS;
|
|
// CHECK: [[PVS_VAL:%[a-zA-Z0-9_.]+]] = load i32*, i32** @pvS
|
|
// CHECK: load volatile i32, i32* [[PVS_VAL]]
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i=A[2];
|
|
// CHECK: load i32, i32* getelementptr {{.*}} @A
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i=vA[2];
|
|
// CHECK: load volatile i32, i32* getelementptr {{.*}} @vA
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i=F.x;
|
|
// CHECK: load i32, i32* getelementptr {{.*}} @F
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i=vF.x;
|
|
// CHECK: load volatile i32, i32* getelementptr {{.*}} @vF
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i=F2.x;
|
|
// CHECK: load i32, i32* getelementptr {{.*}} @F2
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i=vF2.x;
|
|
// CHECK: load volatile i32, i32* getelementptr {{.*}} @vF2
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i=vpF2->x;
|
|
// CHECK: [[VPF2_VAL:%[a-zA-Z0-9_.]+]] = load {{%[a-zA-Z0-9_.]+}}*, {{%[a-zA-Z0-9_.]+}}** @vpF2
|
|
// CHECK: [[ELT:%[a-zA-Z0-9_.]+]] = getelementptr {{.*}} [[VPF2_VAL]]
|
|
// CHECK: load volatile i32, i32* [[ELT]]
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i=F3.x.y;
|
|
// CHECK: load i32, i32* getelementptr {{.*}} @F3
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i=vF3.x.y;
|
|
// CHECK: load volatile i32, i32* getelementptr {{.*}} @vF3
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i=BF.x;
|
|
// CHECK-IT: load i8, i8* getelementptr {{.*}} @BF
|
|
// CHECK-MS: load i32, i32* getelementptr {{.*}} @BF
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i=vBF.x;
|
|
// CHECK-IT-OTHER: load volatile i8, i8* getelementptr {{.*}} @vBF
|
|
// CHECK-IT-ARM: load volatile i32, i32* bitcast {{.*}} @vBF
|
|
// CHECK-MS: load volatile i32, i32* getelementptr {{.*}} @vBF
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i=V[3];
|
|
// CHECK: load <4 x i32>, <4 x i32>* @V
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i=vV[3];
|
|
// CHECK: load volatile <4 x i32>, <4 x i32>* @vV
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i=VE.yx[1];
|
|
// CHECK: load <4 x i32>, <4 x i32>* @VE
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i=vVE.zy[1];
|
|
// CHECK: load volatile <4 x i32>, <4 x i32>* @vVE
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i = aggFct().x; // Note: not volatile
|
|
// N.b. Aggregate return is extremely target specific, all we can
|
|
// really say here is that there probably shouldn't be a volatile
|
|
// load.
|
|
// CHECK-NOT: load volatile
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i=vtS;
|
|
// CHECK: load volatile i32, i32* @vtS
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
|
|
|
|
// store
|
|
S=i;
|
|
// CHECK: load i32, i32* [[I]]
|
|
// CHECK: store i32 {{.*}}, i32* @S
|
|
vS=i;
|
|
// CHECK: load i32, i32* [[I]]
|
|
// CHECK: store volatile i32 {{.*}}, i32* @vS
|
|
*pS=i;
|
|
// CHECK: load i32, i32* [[I]]
|
|
// CHECK: [[PS_VAL:%[a-zA-Z0-9_.]+]] = load i32*, i32** @pS
|
|
// CHECK: store i32 {{.*}}, i32* [[PS_VAL]]
|
|
*pvS=i;
|
|
// CHECK: load i32, i32* [[I]]
|
|
// CHECK: [[PVS_VAL:%[a-zA-Z0-9_.]+]] = load i32*, i32** @pvS
|
|
// CHECK: store volatile i32 {{.*}}, i32* [[PVS_VAL]]
|
|
A[2]=i;
|
|
// CHECK: load i32, i32* [[I]]
|
|
// CHECK: store i32 {{.*}}, i32* getelementptr {{.*}} @A
|
|
vA[2]=i;
|
|
// CHECK: load i32, i32* [[I]]
|
|
// CHECK: store volatile i32 {{.*}}, i32* getelementptr {{.*}} @vA
|
|
F.x=i;
|
|
// CHECK: load i32, i32* [[I]]
|
|
// CHECK: store i32 {{.*}}, i32* getelementptr {{.*}} @F
|
|
vF.x=i;
|
|
// CHECK: load i32, i32* [[I]]
|
|
// CHECK: store volatile i32 {{.*}}, i32* getelementptr {{.*}} @vF
|
|
F2.x=i;
|
|
// CHECK: load i32, i32* [[I]]
|
|
// CHECK: store i32 {{.*}}, i32* getelementptr {{.*}} @F2
|
|
vF2.x=i;
|
|
// CHECK: load i32, i32* [[I]]
|
|
// CHECK: store volatile i32 {{.*}}, i32* getelementptr {{.*}} @vF2
|
|
vpF2->x=i;
|
|
// CHECK: load i32, i32* [[I]]
|
|
// CHECK: [[VPF2_VAL:%[a-zA-Z0-9_.]+]] = load {{%[a-zA-Z0-9._]+}}*, {{%[a-zA-Z0-9._]+}}** @vpF2
|
|
// CHECK: [[ELT:%[a-zA-Z0-9_.]+]] = getelementptr {{.*}} [[VPF2_VAL]]
|
|
// CHECK: store volatile i32 {{.*}}, i32* [[ELT]]
|
|
vF3.x.y=i;
|
|
// CHECK: load i32, i32* [[I]]
|
|
// CHECK: store volatile i32 {{.*}}, i32* getelementptr {{.*}} @vF3
|
|
BF.x=i;
|
|
// CHECK: load i32, i32* [[I]]
|
|
// CHECK-IT: load i8, i8* getelementptr {{.*}} @BF
|
|
// CHECK-MS: load i32, i32* getelementptr {{.*}} @BF
|
|
// CHECK-IT: store i8 {{.*}}, i8* getelementptr {{.*}} @BF
|
|
// CHECK-MS: store i32 {{.*}}, i32* getelementptr {{.*}} @BF
|
|
vBF.x=i;
|
|
// CHECK: load i32, i32* [[I]]
|
|
// CHECK-IT-OTHER: load volatile i8, i8* getelementptr {{.*}} @vBF
|
|
// CHECK-IT-ARM: load volatile i32, i32* bitcast {{.*}} @vBF
|
|
// CHECK-MS: load volatile i32, i32* getelementptr {{.*}} @vBF
|
|
// CHECK-IT-OTHER: store volatile i8 {{.*}}, i8* getelementptr {{.*}} @vBF
|
|
// CHECK-IT-ARM: store volatile i32 {{.*}}, i32* bitcast {{.*}} @vBF
|
|
// CHECK-MS: store volatile i32 {{.*}}, i32* getelementptr {{.*}} @vBF
|
|
V[3]=i;
|
|
// CHECK: load i32, i32* [[I]]
|
|
// CHECK: load <4 x i32>, <4 x i32>* @V
|
|
// CHECK: store <4 x i32> {{.*}}, <4 x i32>* @V
|
|
vV[3]=i;
|
|
// CHECK: load i32, i32* [[I]]
|
|
// CHECK: load volatile <4 x i32>, <4 x i32>* @vV
|
|
// CHECK: store volatile <4 x i32> {{.*}}, <4 x i32>* @vV
|
|
vtS=i;
|
|
// CHECK: load i32, i32* [[I]]
|
|
// CHECK: store volatile i32 {{.*}}, i32* @vtS
|
|
|
|
// other ops:
|
|
++S;
|
|
// CHECK: load i32, i32* @S
|
|
// CHECK: store i32 {{.*}}, i32* @S
|
|
++vS;
|
|
// CHECK: load volatile i32, i32* @vS
|
|
// CHECK: store volatile i32 {{.*}}, i32* @vS
|
|
i+=S;
|
|
// CHECK: load i32, i32* @S
|
|
// CHECK: load i32, i32* [[I]]
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
i+=vS;
|
|
// CHECK: load volatile i32, i32* @vS
|
|
// CHECK: load i32, i32* [[I]]
|
|
// CHECK: store i32 {{.*}}, i32* [[I]]
|
|
++vtS;
|
|
// CHECK: load volatile i32, i32* @vtS
|
|
// CHECK: store volatile i32 {{.*}}, i32* @vtS
|
|
(void)vF2;
|
|
// From vF2 to a temporary
|
|
// CHECK: call void @llvm.memcpy.{{.*}}(i8* align {{[0-9]+}} %{{.*}}, i8* {{.*}} @vF2 {{.*}}, i1 true)
|
|
vF2 = vF2;
|
|
// vF2 to itself
|
|
// CHECK: call void @llvm.memcpy.{{.*}}(i8* {{.*@vF2.*}}, i8* {{.*@vF2.*}}, i1 true)
|
|
vF2 = vF2 = vF2;
|
|
// vF2 to itself twice
|
|
// CHECK: call void @llvm.memcpy.{{.*}}(i8* {{.*@vF2.*}}, i8* {{.*@vF2.*}}, i1 true)
|
|
// CHECK: call void @llvm.memcpy.{{.*}}(i8* {{.*@vF2.*}}, i8* {{.*@vF2.*}}, i1 true)
|
|
vF2 = (vF2, vF2);
|
|
// vF2 to a temporary, then vF2 to itself
|
|
// CHECK: call void @llvm.memcpy.{{.*}}(i8* align {{[0-9]+}} %{{.*}}, i8* {{.*@vF2.*}}, i1 true)
|
|
// CHECK: call void @llvm.memcpy.{{.*}}(i8* {{.*@vF2.*}}, i8* {{.*@vF2.*}}, i1 true)
|
|
}
|