Vendor import of clang trunk r240225:

https://llvm.org/svn/llvm-project/cfe/trunk@240225

1 files changed, 25 insertions, 0 deletions

diff --git a/test/CodeGen/attr-target.c b/test/CodeGen/attr-target.c
new file mode 100644
index 0000000..8c0f335
--- /dev/null
+++ b/test/CodeGen/attr-target.c
@@ -0,0 +1,25 @@
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -target-cpu x86-64 -emit-llvm %s -o - | FileCheck %s
+
+int baz(int a) { return 4; }
+
+int __attribute__((target("avx,sse4.2,arch=ivybridge"))) foo(int a) { return 4; }
+
+int __attribute__((target("tune=sandybridge"))) walrus(int a) { return 4; }
+int __attribute__((target("fpmath=387"))) koala(int a) { return 4; }
+
+int __attribute__((target("mno-sse2"))) echidna(int a) { return 4; }
+
+int bar(int a) { return baz(a) + foo(a); }
+
+// Check that we emit the additional subtarget and cpu features for foo and not for baz or bar.
+// CHECK: baz{{.*}} #0
+// CHECK: foo{{.*}} #1
+// We ignore the tune attribute so walrus should be identical to baz and bar.
+// CHECK: walrus{{.*}} #0
+// We're currently ignoring the fpmath attribute so koala should be identical to baz and bar.
+// CHECK: koala{{.*}} #0
+// CHECK: echidna{{.*}} #2
+// CHECK: bar{{.*}} #0
+// CHECK: #0 = {{.*}}"target-cpu"="x86-64" "target-features"="+sse,+sse2"
+// CHECK: #1 = {{.*}}"target-cpu"="ivybridge" "target-features"="+sse,+sse2,+avx,+sse4.2"
+// CHECK: #2 = {{.*}}"target-cpu"="x86-64" "target-features"="+sse,+sse2,-sse2"