1 files changed, 19 insertions, 0 deletions
diff --git a/test/Frontend/ir-support.c b/test/Frontend/ir-support.c
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+++ b/test/Frontend/ir-support.c
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+// Test that we can consume LLVM IR/bitcode in the frontend and produce
+// equivalent output to a standard compilation.
+
+// We strip differing '.file' directives before comparing.
+
+// Reference output:
+// RUN: %clang_cc1 -S -o - %s | grep -v '\.file' > %t.s
+
+// LLVM bitcode:
+// RUN: %clang_cc1 -emit-llvm-bc -o %t.bc %s
+// RUN: %clang_cc1 -S -o - %t.bc | grep -v '\.file' > %t.bc.s
+// RUN: diff %t.s %t.bc.s
+
+// LLVM IR source code:
+// RUN: %clang_cc1 -emit-llvm -o %t.ll %s
+// RUN: %clang_cc1 -S -o - %t.ll | grep -v '\.file' > %t.ll.s
+// RUN: diff %t.s %t.ll.s
+
+int f() { return 0; }