R600: Reapply testcase from r186178, the big endian issue should be fixed by r186196.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186209 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/R600/fconst64.ll b/test/CodeGen/R600/fconst64.ll
new file mode 100644 (file)
index 0000000..2402a9c
--- /dev/null
+++ b/test/CodeGen/R600/fconst64.ll
@@ -0,0 +1,12 @@
+; RUN: llc < %s -march=r600 -mcpu=tahiti | FileCheck %s
+
+; CHECK: @fconst_f64
+; CHECK: V_MOV_B32_e32 {{VGPR[0-9]+}}, 0.000000e+00
+; CHECK-NEXT: V_MOV_B32_e32 {{VGPR[0-9]+}}, 2.312500e+00
+
+define void @fconst_f64(double addrspace(1)* %out, double addrspace(1)* %in) {
+   %r1 = load double addrspace(1)* %in
+   %r2 = fadd double %r1, 5.000000e+00
+   store double %r2, double addrspace(1)* %out
+   ret void
+}