3 files changed, 91 insertions, 28 deletions
diff --git a/clang/test/CodeGen/volatile-1.c b/clang/test/CodeGen/volatile-1.c
index 323a81d79eb..01a69678d99 100644
--- a/clang/test/CodeGen/volatile-1.c
+++ b/clang/test/CodeGen/volatile-1.c
@@ -26,45 +26,45 @@ int printf(const char *, ...);
 void test() {
   // CHECK: load volatile [[INT]]* @i
   i;
-  // CHECK-NEXT: load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0)
-  // CHECK-NEXT: load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1)
+  // CHECK-NEXT: load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0), align 4
+  // CHECK-NEXT: load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1), align 4
   // CHECK-NEXT: sitofp [[INT]]
   (float)(ci);
-  // CHECK-NEXT: load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0)
-  // CHECK-NEXT: load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1)
+  // CHECK-NEXT: load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0), align 4
+  // CHECK-NEXT: load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1), align 4
   (void)ci;
   // CHECK-NEXT: bitcast
   // CHECK-NEXT: memcpy
   (void)a;
-  // CHECK-NEXT: [[R:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0)
-  // CHECK-NEXT: [[I:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1)
-  // CHECK-NEXT: store volatile [[INT]] [[R]], [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0)
-  // CHECK-NEXT: store volatile [[INT]] [[I]], [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1)
+  // CHECK-NEXT: [[R:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0), align 4
+  // CHECK-NEXT: [[I:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1), align 4
+  // CHECK-NEXT: store volatile [[INT]] [[R]], [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0), align 4
+  // CHECK-NEXT: store volatile [[INT]] [[I]], [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1), align 4
   (void)(ci=ci);
   // CHECK-NEXT: [[T:%.*]] = load volatile [[INT]]* @j
   // CHECK-NEXT: store volatile [[INT]] [[T]], [[INT]]* @i
   (void)(i=j);
-  // CHECK-NEXT: [[R1:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0)
-  // CHECK-NEXT: [[I1:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1)
-  // CHECK-NEXT: [[R2:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0)
-  // CHECK-NEXT: [[I2:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1)
+  // CHECK-NEXT: [[R1:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0), align 4
+  // CHECK-NEXT: [[I1:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1), align 4
+  // CHECK-NEXT: [[R2:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0), align 4
+  // CHECK-NEXT: [[I2:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1), align 4
   // Not sure why they're ordered this way.
   // CHECK-NEXT: [[R:%.*]] = add [[INT]] [[R2]], [[R1]]
   // CHECK-NEXT: [[I:%.*]] = add [[INT]] [[I2]], [[I1]]
-  // CHECK-NEXT: store volatile [[INT]] [[R]], [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0)
-  // CHECK-NEXT: store volatile [[INT]] [[I]], [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1)
+  // CHECK-NEXT: store volatile [[INT]] [[R]], [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0), align 4
+  // CHECK-NEXT: store volatile [[INT]] [[I]], [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1), align 4
   ci+=ci;
 
-  // CHECK-NEXT: [[R1:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0)
-  // CHECK-NEXT: [[I1:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1)
-  // CHECK-NEXT: [[R2:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0)
-  // CHECK-NEXT: [[I2:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1)
+  // CHECK-NEXT: [[R1:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0), align 4
+  // CHECK-NEXT: [[I1:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1), align 4
+  // CHECK-NEXT: [[R2:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0), align 4
+  // CHECK-NEXT: [[I2:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1), align 4
   // CHECK-NEXT: [[R:%.*]] = add [[INT]] [[R2]], [[R1]]
   // CHECK-NEXT: [[I:%.*]] = add [[INT]] [[I2]], [[I1]]
-  // CHECK-NEXT: store volatile [[INT]] [[R]], [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0)
-  // CHECK-NEXT: store volatile [[INT]] [[I]], [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1)
-  // CHECK-NEXT: [[R2:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0)
-  // CHECK-NEXT: [[I2:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1)
+  // CHECK-NEXT: store volatile [[INT]] [[R]], [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0), align 4
+  // CHECK-NEXT: store volatile [[INT]] [[I]], [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1), align 4
+  // CHECK-NEXT: [[R2:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 0), align 4
+  // CHECK-NEXT: [[I2:%.*]] = load volatile [[INT]]* getelementptr inbounds ([[CINT]]* @ci, i32 0, i32 1), align 4
   // These additions can be elided
   // CHECK-NEXT: add [[INT]] [[R]], [[R2]]
   // CHECK-NEXT: add [[INT]] [[I]], [[I2]]
diff --git a/clang/test/CodeGen/volatile-2.c b/clang/test/CodeGen/volatile-2.c
index 3d342de6900..9233b2a1678 100644
--- a/clang/test/CodeGen/volatile-2.c
+++ b/clang/test/CodeGen/volatile-2.c
@@ -3,8 +3,8 @@
 void test0() {
   // CHECK: define void @test0()
   // CHECK:      [[F:%.*]] = alloca float
-  // CHECK-NEXT: [[REAL:%.*]] = load volatile float* getelementptr inbounds ({ float, float }* @test0_v, i32 0, i32 0)
-  // CHECK-NEXT: load volatile float* getelementptr inbounds ({{.*}} @test0_v, i32 0, i32 1)
+  // CHECK-NEXT: [[REAL:%.*]] = load volatile float* getelementptr inbounds ({ float, float }* @test0_v, i32 0, i32 0), align 4
+  // CHECK-NEXT: load volatile 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;
@@ -13,10 +13,10 @@ void test0() {
 
 void test1() {
   // CHECK: define void @test1()
-  // CHECK:      [[REAL:%.*]] = load volatile float* getelementptr inbounds ({{.*}} @test1_v, i32 0, i32 0)
-  // CHECK-NEXT: [[IMAG:%.*]] = load volatile float* getelementptr inbounds ({{.*}} @test1_v, i32 0, i32 1)
-  // CHECK-NEXT: store volatile float [[REAL]], float* getelementptr inbounds ({{.*}} @test1_v, i32 0, i32 0)
-  // CHECK-NEXT: store volatile float [[IMAG]], float* getelementptr inbounds ({{.*}} @test1_v, i32 0, i32 1)
+  // CHECK:      [[REAL:%.*]] = load volatile float* getelementptr inbounds ({{.*}} @test1_v, i32 0, i32 0), align 4
+  // CHECK-NEXT: [[IMAG:%.*]] = load volatile 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;
diff --git a/clang/test/CodeGen/volatile-complex.c b/clang/test/CodeGen/volatile-complex.c
new file mode 100644
index 00000000000..b34ec1305e2
--- /dev/null
+++ b/clang/test/CodeGen/volatile-complex.c
@@ -0,0 +1,63 @@
+// RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s
+
+volatile _Complex float cf;
+volatile _Complex double cd;
+volatile _Complex float cf32 __attribute__((aligned(32)));
+volatile _Complex double cd32 __attribute__((aligned(32)));
+
+
+// CHECK: define void @test_cf()
+// CHECK-NEXT: entry:
+void test_cf() {
+  // CHECK-NEXT: load volatile float* getelementptr inbounds ({ float, float }* @cf, i32 0, i32 0), align 4
+  // CHECK-NEXT: load volatile float* getelementptr inbounds ({ float, float }* @cf, i32 0, i32 1), align 4
+  (void)(cf);
+  // CHECK-NEXT: [[R:%.*]] = load volatile float* getelementptr inbounds ({ float, float }* @cf, i32 0, i32 0), align 4
+  // CHECK-NEXT: [[I:%.*]] = load volatile float* getelementptr inbounds ({ float, float }* @cf, i32 0, i32 1), align 4
+  // CHECK-NEXT: store volatile float [[R]], float* getelementptr inbounds ({ float, float }* @cf, i32 0, i32 0), align 4
+  // CHECK-NEXT: store volatile float [[I]], float* getelementptr inbounds ({ float, float }* @cf, i32 0, i32 1), align 4
+  (void)(cf=cf);
+  // CHECK-NEXT: ret void
+}
+
+// CHECK: define void @test_cd()
+// CHECK-NEXT: entry:
+void test_cd() {
+  // CHECK-NEXT: load volatile double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 0), align 8
+  // CHECK-NEXT: load volatile double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 1), align 8
+  (void)(cd);
+  // CHECK-NEXT: [[R:%.*]] = load volatile double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 0), align 8
+  // CHECK-NEXT: [[I:%.*]] = load volatile double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 1), align 8
+  // CHECK-NEXT: store volatile double [[R]], double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 0), align 8
+  // CHECK-NEXT: store volatile double [[I]], double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 1), align 8
+  (void)(cd=cd);
+  // CHECK-NEXT: ret void
+}
+
+// CHECK: define void @test_cf32()
+// CHECK-NEXT: entry:
+void test_cf32() {
+  // CHECK-NEXT: load volatile float* getelementptr inbounds ({ float, float }* @cf32, i32 0, i32 0), align 32
+  // CHECK-NEXT: load volatile float* getelementptr inbounds ({ float, float }* @cf32, i32 0, i32 1), align 4
+  (void)(cf32);
+  // CHECK-NEXT: [[R:%.*]] = load volatile float* getelementptr inbounds ({ float, float }* @cf32, i32 0, i32 0), align 32
+  // CHECK-NEXT: [[I:%.*]] = load volatile float* getelementptr inbounds ({ float, float }* @cf32, i32 0, i32 1), align 4
+  // CHECK-NEXT: store volatile float [[R]], float* getelementptr inbounds ({ float, float }* @cf32, i32 0, i32 0), align 32
+  // CHECK-NEXT: store volatile float [[I]], float* getelementptr inbounds ({ float, float }* @cf32, i32 0, i32 1), align 4
+  (void)(cf32=cf32);
+  // CHECK-NEXT: ret void
+}
+
+// CHECK: define void @test_cd32()
+// CHECK-NEXT: entry:
+void test_cd32() {
+  // CHECK-NEXT: load volatile double* getelementptr inbounds ({ double, double }* @cd32, i32 0, i32 0), align 32
+  // CHECK-NEXT: load volatile double* getelementptr inbounds ({ double, double }* @cd32, i32 0, i32 1), align 8
+  (void)(cd32);
+  // CHECK-NEXT: [[R:%.*]] = load volatile double* getelementptr inbounds ({ double, double }* @cd32, i32 0, i32 0), align 32
+  // CHECK-NEXT: [[I:%.*]] = load volatile double* getelementptr inbounds ({ double, double }* @cd32, i32 0, i32 1), align 8
+  // CHECK-NEXT: store volatile double [[R]], double* getelementptr inbounds ({ double, double }* @cd32, i32 0, i32 0), align 32
+  // CHECK-NEXT: store volatile double [[I]], double* getelementptr inbounds ({ double, double }* @cd32, i32 0, i32 1), align 8
+  (void)(cd32=cd32);
+  // CHECK-NEXT: ret void
+}