Issue #27628 - Also support the LLVM 3.6 IR format in two tests

Author: sylvestre

src/test/codegen/loads.rs

@@ -20,14 +20,14 @@ pub struct Bytes {
 // CHECK-LABEL: @borrow
 #[no_mangle]
 pub fn borrow(x: &i32) -> &i32 {
-// CHECK: load i32*, i32** %x{{.*}}, !nonnull
+// CHECK: load {{(i32\*, )?}}i32** %x{{.*}}, !nonnull
     x
 }
 
 // CHECK-LABEL: @_box
 #[no_mangle]
 pub fn _box(x: Box<i32>) -> i32 {
-// CHECK: load i32*, i32** %x{{.*}}, !nonnull
+// CHECK: load {{(i32\*, )?}}i32** %x{{.*}}, !nonnull
     *x
 }
 
@@ -36,7 +36,7 @@ pub fn _box(x: Box<i32>) -> i32 {
 // dependent alignment
 #[no_mangle]
 pub fn small_array_alignment(x: [i8; 4]) -> [i8; 4] {
-// CHECK: [[VAR:%[0-9]+]] = load i32, i32* %{{.*}}, align 1
+// CHECK: [[VAR:%[0-9]+]] = load {{(i32, )?}}i32* %{{.*}}, align 1
 // CHECK: ret i32 [[VAR]]
     x
 }
@@ -46,7 +46,7 @@ pub fn small_array_alignment(x: [i8; 4]) -> [i8; 4] {
 // dependent alignment
 #[no_mangle]
 pub fn small_struct_alignment(x: Bytes) -> Bytes {
-// CHECK: [[VAR:%[0-9]+]] = load i32, i32* %{{.*}}, align 1
+// CHECK: [[VAR:%[0-9]+]] = load {{(i32, )?}}i32* %{{.*}}, align 1
 // CHECK: ret i32 [[VAR]]
     x
 }

src/test/codegen/stores.rs

@@ -22,7 +22,7 @@ pub struct Bytes {
 // dependent alignment
 #[no_mangle]
 pub fn small_array_alignment(x: &mut [i8; 4]) {
-// CHECK: [[VAR:%[0-9]+]] = load [4 x i8]*, [4 x i8]** %x
+// CHECK: [[VAR:%[0-9]+]] = load {{(\[4 x i8\]\*, )?}}[4 x i8]** %x
 // CHECK: [[VAR2:%[0-9]+]] = bitcast [4 x i8]* [[VAR]] to i32*
 // CHECK: store i32 %{{.*}}, i32* [[VAR2]], align 1
     *x = [0; 4];
@@ -33,7 +33,7 @@ pub fn small_array_alignment(x: &mut [i8; 4]) {
 // dependent alignment
 #[no_mangle]
 pub fn small_struct_alignment(x: &mut Bytes) {
-// CHECK: [[VAR:%[0-9]+]] = load %Bytes*, %Bytes** %x
+// CHECK: [[VAR:%[0-9]+]] = load {{(%Bytes\*, )?}}%Bytes** %x
 // CHECK: [[VAR2:%[0-9]+]] = bitcast %Bytes* [[VAR]] to i32*
 // CHECK: store i32 %{{.*}}, i32* [[VAR2]], align 1
     *x = Bytes {