R600: Add a testcase for sext_in_reg I missed.

This sext_inreg i32 in i64 case was already handled, but not enabled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204840 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/R600/AMDGPUISelLowering.cpp b/lib/Target/R600/AMDGPUISelLowering.cpp
index f6e48c9abb3b5659b33bbd8d86c9ded8fb9048c1..8c6d7c89188d3e29f071bc2064b5254453f3581f 100644 (file)
--- a/lib/Target/R600/AMDGPUISelLowering.cpp
+++ b/lib/Target/R600/AMDGPUISelLowering.cpp
@@ -224,6 +224,8 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) :
   setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::v2i16, Custom);
   setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::v4i16, Custom);
 
+  setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i32, Custom);
+
   setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::Other, Custom);
 }
 

diff --git a/test/CodeGen/R600/sext-in-reg.ll b/test/CodeGen/R600/sext-in-reg.ll
index f839bf8f8fef624357f070fea8bd3f62e3fc6438..cb8b5d7bb2e032be480b0f00bf85edd527aacfe6 100644 (file)
--- a/test/CodeGen/R600/sext-in-reg.ll
+++ b/test/CodeGen/R600/sext-in-reg.ll
@@ -86,6 +86,20 @@ define void @sext_in_reg_i16_to_i64(i64 addrspace(1)* %out, i64 %a, i64 %b) noun
   ret void
 }
 
+; FUNC-LABEL: @sext_in_reg_i32_to_i64
+; SI: S_LOAD_DWORDX2
+; SI: S_ADD_I32
+; SI-NEXT: S_ADDC_U32
+; SI-NEXT: S_ASHR_I32 s{{[0-9]+}}, s{{[0-9]+}}, 31
+; SI: BUFFER_STORE_DWORDX2
+define void @sext_in_reg_i32_to_i64(i64 addrspace(1)* %out, i64 %a, i64 %b) nounwind {
+  %c = add i64 %a, %b
+  %shl = shl i64 %c, 32
+  %ashr = ashr i64 %shl, 32
+  store i64 %ashr, i64 addrspace(1)* %out, align 8
+  ret void
+}
+
 ; This is broken on Evergreen for some reason related to the <1 x i64> kernel arguments.
 ; XFUNC-LABEL: @sext_in_reg_i8_to_v1i64
 ; XSI: V_BFE_I32 {{v[0-9]+}}, {{s[0-9]+}}, 0, 8