[SPARC] Support 'f' and 'e' inline asm constraints.
Patch by Patrick Boettcher.
Differential Revision: https://reviews.llvm.org/D29117
llvm-svn: 302913
diff --git a/clang/test/CodeGen/sparcv8-inline-asm.c b/clang/test/CodeGen/sparcv8-inline-asm.c
new file mode 100644
index 0000000..711a2a0
--- /dev/null
+++ b/clang/test/CodeGen/sparcv8-inline-asm.c
@@ -0,0 +1,11 @@
+// RUN: %clang_cc1 -triple sparc-unknown-unknown -emit-llvm %s -o - | FileCheck %s
+
+// CHECK: define float @fabsf(float %a)
+// CHECK: %{{.*}} = call float asm sideeffect "fabss $1, $0;", "=e,f"(float %{{.*}}) #1
+float fabsf(float a) {
+ float res;
+ __asm __volatile__("fabss %1, %0;"
+ : /* reg out*/ "=e"(res)
+ : /* reg in */ "f"(a));
+ return res;
+}