Revert "Revert r212640, "Add trunc (select c, a, b) -> select c (trunc a), (trunc b) combine.""
Don't try to convert the select condition type.
llvm-svn: 212750
diff --git a/llvm/test/CodeGen/R600/select64.ll b/llvm/test/CodeGen/R600/select64.ll
index 6b87d98..dba25e3 100644
--- a/llvm/test/CodeGen/R600/select64.ll
+++ b/llvm/test/CodeGen/R600/select64.ll
@@ -13,3 +13,38 @@
store i64 %1, i64 addrspace(1)* %out
ret void
}
+
+; CHECK-LABEL: @select_trunc_i64
+; CHECK: V_CNDMASK_B32
+; CHECK-NOT: V_CNDMASK_B32
+define void @select_trunc_i64(i32 addrspace(1)* %out, i32 %cond, i64 %in) nounwind {
+ %cmp = icmp ugt i32 %cond, 5
+ %sel = select i1 %cmp, i64 0, i64 %in
+ %trunc = trunc i64 %sel to i32
+ store i32 %trunc, i32 addrspace(1)* %out, align 4
+ ret void
+}
+
+; CHECK-LABEL: @select_trunc_i64_2
+; CHECK: V_CNDMASK_B32
+; CHECK-NOT: V_CNDMASK_B32
+define void @select_trunc_i64_2(i32 addrspace(1)* %out, i32 %cond, i64 %a, i64 %b) nounwind {
+ %cmp = icmp ugt i32 %cond, 5
+ %sel = select i1 %cmp, i64 %a, i64 %b
+ %trunc = trunc i64 %sel to i32
+ store i32 %trunc, i32 addrspace(1)* %out, align 4
+ ret void
+}
+
+; CHECK-LABEL: @v_select_trunc_i64_2
+; CHECK: V_CNDMASK_B32
+; CHECK-NOT: V_CNDMASK_B32
+define void @v_select_trunc_i64_2(i32 addrspace(1)* %out, i32 %cond, i64 addrspace(1)* %aptr, i64 addrspace(1)* %bptr) nounwind {
+ %cmp = icmp ugt i32 %cond, 5
+ %a = load i64 addrspace(1)* %aptr, align 8
+ %b = load i64 addrspace(1)* %bptr, align 8
+ %sel = select i1 %cmp, i64 %a, i64 %b
+ %trunc = trunc i64 %sel to i32
+ store i32 %trunc, i32 addrspace(1)* %out, align 4
+ ret void
+}