From 3724945025b3c09a0961575f6afc1e82210b5dcd Mon Sep 17 00:00:00 2001
From: Mikhail Glushenkov <foldr@codedgers.com>
Date: Wed, 22 Sep 2010 09:00:41 +0000
Subject: [PATCH] llvmc: Support '-emit-llvm -S' with -opt.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114541 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/LLVMC/C/emit-llvm-opt.c |  7 +++++++
 test/LLVMC/C/emit-llvm.c     |  1 +
 tools/llvmc/src/Base.td.in   | 23 ++++++++++++++++-------
 3 files changed, 24 insertions(+), 7 deletions(-)
 create mode 100644 test/LLVMC/C/emit-llvm-opt.c

diff --git a/test/LLVMC/C/emit-llvm-opt.c b/test/LLVMC/C/emit-llvm-opt.c
new file mode 100644
index 00000000000..ab670e98e9d
--- /dev/null
+++ b/test/LLVMC/C/emit-llvm-opt.c
@@ -0,0 +1,7 @@
+// RUN: llvmc -c -opt -emit-llvm -o - %s | llvm-dis | grep "@f0()" | count 1
+// RUN: llvmc -c -opt -emit-llvm -S -o - %s | grep "@f0()" | count 1
+// RUN: llvmc --dry-run -c -opt -emit-llvm %s |& grep "^opt"
+// XFAIL: vg_leak
+
+int f0(void) {
+}
diff --git a/test/LLVMC/C/emit-llvm.c b/test/LLVMC/C/emit-llvm.c
index 9844bc757cc..58ac17e1515 100644
--- a/test/LLVMC/C/emit-llvm.c
+++ b/test/LLVMC/C/emit-llvm.c
@@ -1,4 +1,5 @@
 // RUN: llvmc -c -emit-llvm -o - %s | llvm-dis | grep "@f0()" | count 1
+// RUN: llvmc -c -emit-llvm -S -o - %s | grep "@f0()" | count 1
 // XFAIL: vg_leak
 
 int f0(void) {
diff --git a/tools/llvmc/src/Base.td.in b/tools/llvmc/src/Base.td.in
index 3c001864cab..09960ddc764 100644
--- a/tools/llvmc/src/Base.td.in
+++ b/tools/llvmc/src/Base.td.in
@@ -178,14 +178,20 @@ class llvm_gcc_based <string cmd, string in_lang,
          (switch_on "E"),
               [(forward "E"), (stop_compilation), (output_suffix E_ext)],
          (and (switch_on "E"), (empty "o")), (no_out_file),
-         (switch_on ["emit-llvm", "S"]),
-              [(output_suffix "ll"), (stop_compilation)],
-         (switch_on ["emit-llvm", "c"]), (stop_compilation),
+
+         // ('-emit-llvm') && !('opt') -> stop compilation
+         (and (switch_on "emit-llvm"), (not (switch_on "opt"))),
+              (stop_compilation),
+         // ('-S' && '-emit-llvm') && !('opt') -> output .ll
+         (and (switch_on ["emit-llvm", "S"]), (not (switch_on "opt"))),
+              [(forward "S"), (output_suffix "ll")],
+         // Ususally just output .bc
+         (not (switch_on "fsyntax-only")),
+              [(append_cmd "-c"), (append_cmd "-emit-llvm")],
+
+         // -fsyntax-only
          (switch_on "fsyntax-only"), [(forward "fsyntax-only"),
                                       (no_out_file), (stop_compilation)],
-         (switch_on ["S", "emit-llvm"]), [(forward "S"), (forward "emit-llvm")],
-         (not (or (switch_on ["S", "emit-llvm"]), (switch_on "fsyntax-only"))),
-             [(append_cmd "-c"), (append_cmd "-emit-llvm")],
 
          // Forwards
          (not_empty "Xpreprocessor"), (forward "Xpreprocessor"),
@@ -242,7 +248,10 @@ def opt : Tool<
 [(in_language "llvm-bitcode"),
  (out_language "llvm-bitcode"),
  (output_suffix "opt.bc"),
- (actions (case (not_empty "Wo,"), (forward_value "Wo,"),
+ (actions (case (switch_on "emit-llvm"), (stop_compilation),
+                (switch_on ["emit-llvm", "S"]),
+                [(append_cmd "-S"), (output_suffix "ll")],
+                (not_empty "Wo,"), (forward_value "Wo,"),
                 (switch_on "O1"), (forward "O1"),
                 (switch_on "O2"), (forward "O2"),
                 (switch_on "O3"), (forward "O3"))),
-- 
2.34.1