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-rw-r--r--libclc/r600/lib/SOURCES1
-rw-r--r--libclc/r600/lib/workitem/get_num_groups.ll18
2 files changed, 19 insertions, 0 deletions
diff --git a/libclc/r600/lib/SOURCES b/libclc/r600/lib/SOURCES
index 87df0b7212d..38919ab1d5b 100644
--- a/libclc/r600/lib/SOURCES
+++ b/libclc/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/libclc/r600/lib/workitem/get_num_groups.ll b/libclc/r600/lib/workitem/get_num_groups.ll
new file mode 100644
index 00000000000..a708f422c27
--- /dev/null
+++ b/libclc/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
+}
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