[BPF] '-S -emit-llvm -> -emit-llvm' for attr-btf_type_tag-*.c tests

Newly added btf_type_tag related tests use 'clang -S -emit-llvm',
which is now not accepted by 'clang'.
Fix these tests by using only '-emit-llvm'.

To be squashed with the main commit when when branch would be merged.

Author: eddyz87

clang/test/CodeGen/attr-btf_type_tag-circular.c

@@ -1,6 +1,6 @@
 // RUN: %clang_cc1 \
 // RUN:   -triple %itanium_abi_triple -debug-info-kind=limited \
-// RUN:   -mllvm -btf-type-tag-v2 -S -emit-llvm -o - %s | FileCheck %s
+// RUN:   -mllvm -btf-type-tag-v2 -emit-llvm -o - %s | FileCheck %s
 
 #define __tag1 __attribute__((btf_type_tag("tag1")))
 

clang/test/CodeGen/attr-btf_type_tag-const.c

@@ -1,6 +1,6 @@
 // RUN: %clang_cc1 \
 // RUN:   -triple %itanium_abi_triple -debug-info-kind=limited \
-// RUN:   -mllvm -btf-type-tag-v2 -S -emit-llvm -o - %s | FileCheck %s
+// RUN:   -mllvm -btf-type-tag-v2 -emit-llvm -o - %s | FileCheck %s
 
 // Check that BTF type tags are not attached to DW_TAG_const_type DIEs
 // in presence of "sugar" expressions that are transparent for

clang/test/CodeGen/attr-btf_type_tag-restrict.c

@@ -1,6 +1,6 @@
 // RUN: %clang_cc1 \
 // RUN:   -triple %itanium_abi_triple -debug-info-kind=limited \
-// RUN:   -mllvm -btf-type-tag-v2 -S -emit-llvm -o - %s | FileCheck %s
+// RUN:   -mllvm -btf-type-tag-v2 -emit-llvm -o - %s | FileCheck %s
 
 // See attr-btf_type_tag-const.c for reasoning behind this test.
 // Alternatively, see the following method:

clang/test/CodeGen/attr-btf_type_tag-void.c

@@ -1,6 +1,6 @@
 // RUN: %clang_cc1 \
 // RUN:   -triple %itanium_abi_triple -debug-info-kind=limited \
-// RUN:   -mllvm -btf-type-tag-v2 -S -emit-llvm -o - %s | FileCheck %s
+// RUN:   -mllvm -btf-type-tag-v2 -emit-llvm -o - %s | FileCheck %s
 
 #define __tag1 __attribute__((btf_type_tag("tag1")))
 void __tag1 *g;

clang/test/CodeGen/attr-btf_type_tag-volatile.c

@@ -1,6 +1,6 @@
 // RUN: %clang_cc1 \
 // RUN:   -triple %itanium_abi_triple -debug-info-kind=limited \
-// RUN:   -mllvm -btf-type-tag-v2 -S -emit-llvm -o - %s | FileCheck %s
+// RUN:   -mllvm -btf-type-tag-v2 -emit-llvm -o - %s | FileCheck %s
 
 // See attr-btf_type_tag-const.c for reasoning behind this test.
 // Alternatively, see the following method: