[libclc] 35/291: R600: Replace cl implementations with LLVM IR implementation

[Andreas Beckmann]

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anbe pushed a commit to branch master
in repository libclc.

commit 86951a58f495168cfddb3cad84d87f94cf2f2aa3
Author: Tom Stellard <thomas.stellard at amd.com>
Date:   Wed Jun 26 18:20:00 2013 +0000

    R600: Replace cl implementations with LLVM IR implementation
    
    This allows libclc to be built for R600 with upstream clang and LLVM.
    
    git-svn-id: https://llvm.org/svn/llvm-project/libclc/trunk@184980 91177308-0d34-0410-b5e6-96231b3b80d8
---
 r600/lib/SOURCES                     |  6 ++++--
 r600/lib/workitem/get_global_id.cl   | 10 ----------
 r600/lib/workitem/get_global_size.cl | 10 ----------
 r600/lib/workitem/get_global_size.ll | 18 ++++++++++++++++++
 r600/lib/workitem/get_group_id.ll    | 18 ++++++++++++++++++
 r600/lib/workitem/get_local_id.ll    | 18 ++++++++++++++++++
 r600/lib/workitem/get_local_size.ll  | 18 ++++++++++++++++++
 7 files changed, 76 insertions(+), 22 deletions(-)

diff --git a/r600/lib/SOURCES b/r600/lib/SOURCES
index 644d2f3..af8c8c8 100644
--- a/r600/lib/SOURCES
+++ b/r600/lib/SOURCES
@@ -1,2 +1,4 @@
-workitem/get_global_id.cl
-workitem/get_global_size.cl
+workitem/get_group_id.ll
+workitem/get_local_size.ll
+workitem/get_local_id.ll
+workitem/get_global_size.ll
diff --git a/r600/lib/workitem/get_global_id.cl b/r600/lib/workitem/get_global_id.cl
deleted file mode 100644
index 671f657..0000000
--- a/r600/lib/workitem/get_global_id.cl
+++ /dev/null
@@ -1,10 +0,0 @@
-#include <clc/clc.h>
-
-_CLC_DEF size_t get_global_id(uint dim) {
-  switch (dim) {
-  case 0:  return __builtin_r600_read_tgid_x()*__builtin_r600_read_local_size_x()+__builtin_r600_read_tidig_x();
-  case 1:  return __builtin_r600_read_tgid_y()*__builtin_r600_read_local_size_y()+__builtin_r600_read_tidig_y();
-  case 2:  return __builtin_r600_read_tgid_z()*__builtin_r600_read_local_size_z()+__builtin_r600_read_tidig_z();
-  default: return 0;
-  }
-}
diff --git a/r600/lib/workitem/get_global_size.cl b/r600/lib/workitem/get_global_size.cl
deleted file mode 100644
index 4e47bbe..0000000
--- a/r600/lib/workitem/get_global_size.cl
+++ /dev/null
@@ -1,10 +0,0 @@
-#include <clc/clc.h>
-
-_CLC_DEF size_t get_global_size(uint dim) {
-  switch (dim) {
-  case 0: return __builtin_r600_read_global_size_x();
-  case 1: return __builtin_r600_read_global_size_y();
-  case 2: return __builtin_r600_read_global_size_z();
-  default: return 1;
-  }
-}
diff --git a/r600/lib/workitem/get_global_size.ll b/r600/lib/workitem/get_global_size.ll
new file mode 100644
index 0000000..ac2d08d
--- /dev/null
+++ b/r600/lib/workitem/get_global_size.ll
@@ -0,0 +1,18 @@
+declare i32 @llvm.r600.read.global.size.x() nounwind readnone
+declare i32 @llvm.r600.read.global.size.y() nounwind readnone
+declare i32 @llvm.r600.read.global.size.z() nounwind readnone
+
+define i32 @get_global_size(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.global.size.x() nounwind readnone
+  ret i32 %x
+y_dim:
+  %y = call i32 @llvm.r600.read.global.size.y() nounwind readnone
+  ret i32 %y
+z_dim:
+  %z = call i32 @llvm.r600.read.global.size.z() nounwind readnone
+  ret i32 %z
+default:
+  ret i32 0
+}
diff --git a/r600/lib/workitem/get_group_id.ll b/r600/lib/workitem/get_group_id.ll
new file mode 100644
index 0000000..5131648
--- /dev/null
+++ b/r600/lib/workitem/get_group_id.ll
@@ -0,0 +1,18 @@
+declare i32 @llvm.r600.read.local.size.x() nounwind readnone
+declare i32 @llvm.r600.read.local.size.y() nounwind readnone
+declare i32 @llvm.r600.read.local.size.z() nounwind readnone
+
+define i32 @get_group_id(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.local.size.x() nounwind readnone
+  ret i32 %x
+y_dim:
+  %y = call i32 @llvm.r600.read.local.size.y() nounwind readnone
+  ret i32 %y
+z_dim:
+  %z = call i32 @llvm.r600.read.local.size.z() nounwind readnone
+  ret i32 %z
+default:
+  ret i32 0
+}
diff --git a/r600/lib/workitem/get_local_id.ll b/r600/lib/workitem/get_local_id.ll
new file mode 100644
index 0000000..ac5522a
--- /dev/null
+++ b/r600/lib/workitem/get_local_id.ll
@@ -0,0 +1,18 @@
+declare i32 @llvm.r600.read.tidig.x() nounwind readnone
+declare i32 @llvm.r600.read.tidig.y() nounwind readnone
+declare i32 @llvm.r600.read.tidig.z() nounwind readnone
+
+define i32 @get_local_id(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.tidig.x() nounwind readnone
+  ret i32 %x
+y_dim:
+  %y = call i32 @llvm.r600.read.tidig.y() nounwind readnone
+  ret i32 %y
+z_dim:
+  %z = call i32 @llvm.r600.read.tidig.z() nounwind readnone
+  ret i32 %z
+default:
+  ret i32 0
+}
diff --git a/r600/lib/workitem/get_local_size.ll b/r600/lib/workitem/get_local_size.ll
new file mode 100644
index 0000000..6a71f75
--- /dev/null
+++ b/r600/lib/workitem/get_local_size.ll
@@ -0,0 +1,18 @@
+declare i32 @llvm.r600.read.tgid.x() nounwind readnone
+declare i32 @llvm.r600.read.tgid.y() nounwind readnone
+declare i32 @llvm.r600.read.tgid.z() nounwind readnone
+
+define i32 @get_local_size(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.tgid.x() nounwind readnone
+  ret i32 %x
+y_dim:
+  %y = call i32 @llvm.r600.read.tgid.y() nounwind readnone
+  ret i32 %y
+z_dim:
+  %z = call i32 @llvm.r600.read.tgid.z() nounwind readnone
+  ret i32 %z
+default:
+  ret i32 0
+}

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