R600/SI: Fix multiple SGPR reads when using VCC.
No other SGPR operands are allowed, so if VCC is
used, move the other to a VGPR.
llvm-svn: 195041
diff --git a/llvm/test/CodeGen/R600/add_i64.ll b/llvm/test/CodeGen/R600/add_i64.ll
index 1f846b4..c5c2a11 100644
--- a/llvm/test/CodeGen/R600/add_i64.ll
+++ b/llvm/test/CodeGen/R600/add_i64.ll
@@ -18,13 +18,28 @@
ret void
}
-; SI-LABEL: @test_i64_sreg:
-define void @test_i64_sreg(i64 addrspace(1)* noalias %out, i64 %a, i64 %b) {
- %result = add i64 %a, %b
+; SI-LABEL: @one_sgpr:
+define void @one_sgpr(i64 addrspace(1)* noalias %out, i64 addrspace(1)* noalias %in, i64 addrspace(1)* noalias %in_bar, i64 %a) {
+ %foo = load i64 addrspace(1)* %in, align 8
+ %result = add i64 %foo, %a
store i64 %result, i64 addrspace(1)* %out
ret void
}
+; FIXME: This case is broken
+;
+; Swap the arguments. Check that the SGPR -> VGPR copy works with the
+; SGPR as other operand.
+;
+; XXXSI-LABEL: @one_sgpr_reversed:
+; define void @one_sgpr_reversed(i64 addrspace(1)* noalias %out, i64 addrspace(1)* noalias %in, i64 %a) {
+; %foo = load i64 addrspace(1)* %in, align 8
+; %result = add i64 %a, %foo
+; store i64 %result, i64 addrspace(1)* %out
+; ret void
+; }
+
+
; SI-LABEL: @test_v2i64_sreg:
define void @test_v2i64_sreg(<2 x i64> addrspace(1)* noalias %out, <2 x i64> %a, <2 x i64> %b) {
%result = add <2 x i64> %a, %b