1 files changed, 41 insertions, 0 deletions
diff --git a/test/CodeGen/R600/max3.ll b/test/CodeGen/R600/max3.ll
new file mode 100644
index 0000000..74b08f6
--- /dev/null
+++ b/test/CodeGen/R600/max3.ll
@@ -0,0 +1,41 @@
+; RUN: llc -march=r600 -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+
+declare i32 @llvm.r600.read.tidig.x() nounwind readnone
+
+; FUNC-LABEL: @v_test_imax3_sgt_i32
+; SI: v_max3_i32
+define void @v_test_imax3_sgt_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr, i32 addrspace(1)* %cptr) nounwind {
+  %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
+  %gep0 = getelementptr i32 addrspace(1)* %aptr, i32 %tid
+  %gep1 = getelementptr i32 addrspace(1)* %bptr, i32 %tid
+  %gep2 = getelementptr i32 addrspace(1)* %cptr, i32 %tid
+  %outgep = getelementptr i32 addrspace(1)* %out, i32 %tid
+  %a = load i32 addrspace(1)* %gep0, align 4
+  %b = load i32 addrspace(1)* %gep1, align 4
+  %c = load i32 addrspace(1)* %gep2, align 4
+  %icmp0 = icmp sgt i32 %a, %b
+  %i0 = select i1 %icmp0, i32 %a, i32 %b
+  %icmp1 = icmp sgt i32 %i0, %c
+  %i1 = select i1 %icmp1, i32 %i0, i32 %c
+  store i32 %i1, i32 addrspace(1)* %out, align 4
+  ret void
+}
+
+; FUNC-LABEL: @v_test_umax3_ugt_i32
+; SI: v_max3_u32
+define void @v_test_umax3_ugt_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr, i32 addrspace(1)* %cptr) nounwind {
+  %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
+  %gep0 = getelementptr i32 addrspace(1)* %aptr, i32 %tid
+  %gep1 = getelementptr i32 addrspace(1)* %bptr, i32 %tid
+  %gep2 = getelementptr i32 addrspace(1)* %cptr, i32 %tid
+  %outgep = getelementptr i32 addrspace(1)* %out, i32 %tid
+  %a = load i32 addrspace(1)* %gep0, align 4
+  %b = load i32 addrspace(1)* %gep1, align 4
+  %c = load i32 addrspace(1)* %gep2, align 4
+  %icmp0 = icmp ugt i32 %a, %b
+  %i0 = select i1 %icmp0, i32 %a, i32 %b
+  %icmp1 = icmp ugt i32 %i0, %c
+  %i1 = select i1 %icmp1, i32 %i0, i32 %c
+  store i32 %i1, i32 addrspace(1)* %out, align 4
+  ret void
+}