1 files changed, 100 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/kcache-fold.ll b/llvm/test/CodeGen/AMDGPU/kcache-fold.ll
new file mode 100644
index 00000000000..7e2291cfdc3
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/kcache-fold.ll
@@ -0,0 +1,100 @@
+;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
+
+; CHECK: {{^}}main1:
+; CHECK: MOV * T{{[0-9]+\.[XYZW], KC0}}
+define void @main1() {
+main_body:
+  %0 = load <4 x float>, <4 x float> addrspace(8)* null
+  %1 = extractelement <4 x float> %0, i32 0
+  %2 = load <4 x float>, <4 x float> addrspace(8)* getelementptr ([1024 x <4 x float>], [1024 x <4 x float>] addrspace(8)* null, i64 0, i32 1)
+  %3 = extractelement <4 x float> %2, i32 0
+  %4 = load <4 x float>, <4 x float> addrspace(8)* getelementptr ([1024 x <4 x float>], [1024 x <4 x float>] addrspace(8)* null, i64 0, i32 2)
+  %5 = extractelement <4 x float> %4, i32 0
+  %6 = fcmp ogt float %1, 0.000000e+00
+  %7 = select i1 %6, float %3, float %5
+  %8 = load <4 x float>, <4 x float> addrspace(8)* null
+  %9 = extractelement <4 x float> %8, i32 1
+  %10 = load <4 x float>, <4 x float> addrspace(8)* getelementptr ([1024 x <4 x float>], [1024 x <4 x float>] addrspace(8)* null, i64 0, i32 1)
+  %11 = extractelement <4 x float> %10, i32 1
+  %12 = load <4 x float>, <4 x float> addrspace(8)* getelementptr ([1024 x <4 x float>], [1024 x <4 x float>] addrspace(8)* null, i64 0, i32 2)
+  %13 = extractelement <4 x float> %12, i32 1
+  %14 = fcmp ogt float %9, 0.000000e+00
+  %15 = select i1 %14, float %11, float %13
+  %16 = load <4 x float>, <4 x float> addrspace(8)* null
+  %17 = extractelement <4 x float> %16, i32 2
+  %18 = load <4 x float>, <4 x float> addrspace(8)* getelementptr ([1024 x <4 x float>], [1024 x <4 x float>] addrspace(8)* null, i64 0, i32 1)
+  %19 = extractelement <4 x float> %18, i32 2
+  %20 = load <4 x float>, <4 x float> addrspace(8)* getelementptr ([1024 x <4 x float>], [1024 x <4 x float>] addrspace(8)* null, i64 0, i32 2)
+  %21 = extractelement <4 x float> %20, i32 2
+  %22 = fcmp ogt float %17, 0.000000e+00
+  %23 = select i1 %22, float %19, float %21
+  %24 = load <4 x float>, <4 x float> addrspace(8)* null
+  %25 = extractelement <4 x float> %24, i32 3
+  %26 = load <4 x float>, <4 x float> addrspace(8)* getelementptr ([1024 x <4 x float>], [1024 x <4 x float>] addrspace(8)* null, i64 0, i32 1)
+  %27 = extractelement <4 x float> %26, i32 3
+  %28 = load <4 x float>, <4 x float> addrspace(8)* getelementptr ([1024 x <4 x float>], [1024 x <4 x float>] addrspace(8)* null, i64 0, i32 2)
+  %29 = extractelement <4 x float> %28, i32 3
+  %30 = fcmp ogt float %25, 0.000000e+00
+  %31 = select i1 %30, float %27, float %29
+  %32 = call float @llvm.AMDIL.clamp.(float %7, float 0.000000e+00, float 1.000000e+00)
+  %33 = call float @llvm.AMDIL.clamp.(float %15, float 0.000000e+00, float 1.000000e+00)
+  %34 = call float @llvm.AMDIL.clamp.(float %23, float 0.000000e+00, float 1.000000e+00)
+  %35 = call float @llvm.AMDIL.clamp.(float %31, float 0.000000e+00, float 1.000000e+00)
+  %36 = insertelement <4 x float> undef, float %32, i32 0
+  %37 = insertelement <4 x float> %36, float %33, i32 1
+  %38 = insertelement <4 x float> %37, float %34, i32 2
+  %39 = insertelement <4 x float> %38, float %35, i32 3
+  call void @llvm.R600.store.swizzle(<4 x float> %39, i32 0, i32 0)
+  ret void
+}
+
+; CHECK: {{^}}main2:
+; CHECK-NOT: MOV
+define void @main2() {
+main_body:
+  %0 = load <4 x float>, <4 x float> addrspace(8)* null
+  %1 = extractelement <4 x float> %0, i32 0
+  %2 = load <4 x float>, <4 x float> addrspace(8)* getelementptr ([1024 x <4 x float>], [1024 x <4 x float>] addrspace(8)* null, i64 0, i32 1)
+  %3 = extractelement <4 x float> %2, i32 0
+  %4 = load <4 x float>, <4 x float> addrspace(8)* getelementptr ([1024 x <4 x float>], [1024 x <4 x float>] addrspace(8)* null, i64 0, i32 1)
+  %5 = extractelement <4 x float> %4, i32 1
+  %6 = fcmp ogt float %1, 0.000000e+00
+  %7 = select i1 %6, float %3, float %5
+  %8 = load <4 x float>, <4 x float> addrspace(8)* null
+  %9 = extractelement <4 x float> %8, i32 1
+  %10 = load <4 x float>, <4 x float> addrspace(8)* getelementptr ([1024 x <4 x float>], [1024 x <4 x float>] addrspace(8)* null, i64 0, i32 2)
+  %11 = extractelement <4 x float> %10, i32 0
+  %12 = load <4 x float>, <4 x float> addrspace(8)* getelementptr ([1024 x <4 x float>], [1024 x <4 x float>] addrspace(8)* null, i64 0, i32 2)
+  %13 = extractelement <4 x float> %12, i32 1
+  %14 = fcmp ogt float %9, 0.000000e+00
+  %15 = select i1 %14, float %11, float %13
+  %16 = load <4 x float>, <4 x float> addrspace(8)* null
+  %17 = extractelement <4 x float> %16, i32 2
+  %18 = load <4 x float>, <4 x float> addrspace(8)* getelementptr ([1024 x <4 x float>], [1024 x <4 x float>] addrspace(8)* null, i64 0, i32 1)
+  %19 = extractelement <4 x float> %18, i32 3
+  %20 = load <4 x float>, <4 x float> addrspace(8)* getelementptr ([1024 x <4 x float>], [1024 x <4 x float>] addrspace(8)* null, i64 0, i32 1)
+  %21 = extractelement <4 x float> %20, i32 2
+  %22 = fcmp ogt float %17, 0.000000e+00
+  %23 = select i1 %22, float %19, float %21
+  %24 = load <4 x float>, <4 x float> addrspace(8)* null
+  %25 = extractelement <4 x float> %24, i32 3
+  %26 = load <4 x float>, <4 x float> addrspace(8)* getelementptr ([1024 x <4 x float>], [1024 x <4 x float>] addrspace(8)* null, i64 0, i32 2)
+  %27 = extractelement <4 x float> %26, i32 3
+  %28 = load <4 x float>, <4 x float> addrspace(8)* getelementptr ([1024 x <4 x float>], [1024 x <4 x float>] addrspace(8)* null, i64 0, i32 2)
+  %29 = extractelement <4 x float> %28, i32 2
+  %30 = fcmp ogt float %25, 0.000000e+00
+  %31 = select i1 %30, float %27, float %29
+  %32 = call float @llvm.AMDIL.clamp.(float %7, float 0.000000e+00, float 1.000000e+00)
+  %33 = call float @llvm.AMDIL.clamp.(float %15, float 0.000000e+00, float 1.000000e+00)
+  %34 = call float @llvm.AMDIL.clamp.(float %23, float 0.000000e+00, float 1.000000e+00)
+  %35 = call float @llvm.AMDIL.clamp.(float %31, float 0.000000e+00, float 1.000000e+00)
+  %36 = insertelement <4 x float> undef, float %32, i32 0
+  %37 = insertelement <4 x float> %36, float %33, i32 1
+  %38 = insertelement <4 x float> %37, float %34, i32 2
+  %39 = insertelement <4 x float> %38, float %35, i32 3
+  call void @llvm.R600.store.swizzle(<4 x float> %39, i32 0, i32 0)
+  ret void
+}
+
+declare float @llvm.AMDIL.clamp.(float, float, float) readnone
+declare void @llvm.R600.store.swizzle(<4 x float>, i32, i32)