1 files changed, 35 insertions, 9 deletions
diff --git a/test/CodeGen/R600/llvm.AMDGPU.umax.ll b/test/CodeGen/R600/llvm.AMDGPU.umax.ll
index 4cfa133..1b8da2e 100644
--- a/test/CodeGen/R600/llvm.AMDGPU.umax.ll
+++ b/test/CodeGen/R600/llvm.AMDGPU.umax.ll
@@ -1,12 +1,38 @@
-;RUN: llc < %s -march=r600 -mcpu=verde -verify-machineinstrs | FileCheck %s
+; RUN: llc < %s -march=r600 -mcpu=verde -verify-machineinstrs | FileCheck -check-prefix=SI %s
 
-;CHECK: V_MAX_U32_e32
-
-define void @main(i32 %p0, i32 %p1) #0 {
+; SI-LABEL: @vector_umax
+; SI: V_MAX_U32_e32
+define void @vector_umax(i32 %p0, i32 %p1, i32 addrspace(1)* %in) #0 {
 main_body:
-  %0 = call i32 @llvm.AMDGPU.umax(i32 %p0, i32 %p1)
-  %1 = bitcast i32 %0 to float
-  call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 0, float %1, float %1, float %1, float %1)
+  %load = load i32 addrspace(1)* %in, align 4
+  %max = call i32 @llvm.AMDGPU.umax(i32 %p0, i32 %load)
+  %bc = bitcast i32 %max to float
+  call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 0, float %bc, float %bc, float %bc, float %bc)
+  ret void
+}
+
+; SI-LABEL: @scalar_umax
+; SI: S_MAX_U32
+define void @scalar_umax(i32 %p0, i32 %p1) #0 {
+entry:
+  %max = call i32 @llvm.AMDGPU.umax(i32 %p0, i32 %p1)
+  %bc = bitcast i32 %max to float
+  call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 0, float %bc, float %bc, float %bc, float %bc)
+  ret void
+}
+
+; SI-LABEL: @trunc_zext_umax
+; SI: BUFFER_LOAD_UBYTE [[VREG:v[0-9]+]],
+; SI: V_MAX_U32_e32 [[RESULT:v[0-9]+]], 0, [[VREG]]
+; SI-NOT: AND
+; SI: BUFFER_STORE_SHORT [[RESULT]],
+define void @trunc_zext_umax(i16 addrspace(1)* nocapture %out, i8 addrspace(1)* nocapture %src) nounwind {
+  %tmp5 = load i8 addrspace(1)* %src, align 1
+  %tmp2 = zext i8 %tmp5 to i32
+  %tmp3 = tail call i32 @llvm.AMDGPU.umax(i32 %tmp2, i32 0) nounwind readnone
+  %tmp4 = trunc i32 %tmp3 to i8
+  %tmp6 = zext i8 %tmp4 to i16
+  store i16 %tmp6, i16 addrspace(1)* %out, align 2
   ret void
 }
 
@@ -15,7 +41,7 @@ declare i32 @llvm.AMDGPU.umax(i32, i32) #1
 
 declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float)
 
-attributes #0 = { "ShaderType"="0" }
-attributes #1 = { readnone }
+attributes #0 = { nounwind }
+attributes #1 = { nounwind readnone }
 
 !0 = metadata !{metadata !"const", null, i32 1}