R600: Reorganize lit tests and document how they should be organized

[oota-llvm.git] / test / CodeGen / R600 / fsub.ll

diff --git a/test/CodeGen/R600/fsub.ll b/test/CodeGen/R600/fsub.ll
index 591aa52676a4162c7bbced045653b70b7c0e7126..812388b66fd7782240d9dd3809a4927ae640a914 100644 (file)
--- a/test/CodeGen/R600/fsub.ll
+++ b/test/CodeGen/R600/fsub.ll
@@ -1,8 +1,9 @@
-;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
+; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
 
+; CHECK: @fsub_f32
 ; CHECK: ADD T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], -T[0-9]+\.[XYZW]}}
 
-define void @test() {
+define void @fsub_f32() {
    %r0 = call float @llvm.R600.load.input(i32 0)
    %r1 = call float @llvm.R600.load.input(i32 1)
    %r2 = fsub float %r0, %r1
@@ -14,3 +15,17 @@ declare float @llvm.R600.load.input(i32) readnone
 
 declare void @llvm.AMDGPU.store.output(float, i32)
 
+; CHECK: @fsub_v4f32
+; CHECK: ADD T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
+; CHECK: ADD T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
+; CHECK: ADD T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
+; CHECK: ADD T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
+
+define void @fsub_v4f32(<4 x float> addrspace(1)* %out, <4 x float> addrspace(1)* %in) {
+  %b_ptr = getelementptr <4 x float> addrspace(1)* %in, i32 1
+  %a = load <4 x float> addrspace(1) * %in
+  %b = load <4 x float> addrspace(1) * %b_ptr
+  %result = fsub <4 x float> %a, %b
+  store <4 x float> %result, <4 x float> addrspace(1)* %out
+  ret void
+}