Frontend: Add CodeGenAction support for handling LLVM IR.
- This magically enables using 'clang -cc1' as a replacement for most of 'llvm-as', 'llvm-dis', 'llc' and 'opt' functionality.
For example, 'llvm-as' is:
$ clang -cc1 -emit-llvm-bc FOO.ll -o FOO.bc
and 'llvm-dis' is:
$ clang -cc1 -emit-llvm FOO.bc -o -
and 'opt' is, e.g.:
$ clang -cc1 -emit-llvm -O3 -o FOO.opt.ll FOO.ll
and 'llc' is, e.g.:
$ clang -cc1 -S -o - FOO.ll
The nice thing about using the backend tools this way is that they are guaranteed to exactly match how the compiler generates code (for example, setting the same backend options).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105583 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Frontend/ir-support-errors.ll b/test/Frontend/ir-support-errors.ll
new file mode 100644
index 0000000..98227d4
--- /dev/null
+++ b/test/Frontend/ir-support-errors.ll
@@ -0,0 +1,8 @@
+; RUN: %clang_cc1 -S -o - %s 2>&1 | FileCheck %s
+
+target triple = "x86_64-apple-darwin10"
+
+define i32 @f0() nounwind ssp {
+; CHECK: {{.*}}ir-support-errors.ll:7:16: error: expected value token
+ ret i32 x
+}