[Libclc-dev] [PATCH] Added get_num_groups

[Jonathan Charest]

The get_num_groups function was missing for r600g. I did the same
thing as the other workitem functions.

---
 r600/lib/SOURCES                    |  1 +
 r600/lib/workitem/get_num_groups.ll | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+)
 create mode 100644 r600/lib/workitem/get_num_groups.ll

diff --git a/r600/lib/SOURCES b/r600/lib/SOURCES
index 16ef3ac..0883451 100644
--- a/r600/lib/SOURCES
+++ b/r600/lib/SOURCES
@@ -1,3 +1,4 @@
+workitem/get_num_groups.ll
 workitem/get_group_id.ll
 workitem/get_local_size.ll
 workitem/get_local_id.ll
diff --git a/r600/lib/workitem/get_num_groups.ll
b/r600/lib/workitem/get_num_groups.ll
new file mode 100644
index 0000000..a708f42
--- /dev/null
+++ b/r600/lib/workitem/get_num_groups.ll
@@ -0,0 +1,18 @@
+declare i32 @llvm.r600.read.ngroups.x() nounwind readnone
+declare i32 @llvm.r600.read.ngroups.y() nounwind readnone
+declare i32 @llvm.r600.read.ngroups.z() nounwind readnone
+
+define i32 @get_num_groups(i32 %dim) nounwind readnone alwaysinline {
+  switch i32 %dim, label %default [i32 0, label %x_dim i32 1, label
%y_dim i32 2, label %z_dim]
+x_dim:
+  %x = call i32 @llvm.r600.read.ngroups.x() nounwind readnone
+  ret i32 %x
+y_dim:
+  %y = call i32 @llvm.r600.read.ngroups.y() nounwind readnone
+  ret i32 %y
+z_dim:
+  %z = call i32 @llvm.r600.read.ngroups.z() nounwind readnone
+  ret i32 %z
+default:
+  ret i32 0
+}
-- 1.8.3.2