R600: Fix trunc i64 to i32 on SI
llvm-svn: 192375
diff --git a/llvm/test/CodeGen/R600/trunc.ll b/llvm/test/CodeGen/R600/trunc.ll
index 1fbe720..be7a430 100644
--- a/llvm/test/CodeGen/R600/trunc.ll
+++ b/llvm/test/CodeGen/R600/trunc.ll
@@ -17,3 +17,15 @@
ret void
}
+; SI-LABEL: @trunc_shl_i64:
+; SI: S_LOAD_DWORDX2
+; SI: S_LOAD_DWORDX2 [[SREG:SGPR[0-9]+_SGPR[0-9]+]]
+; SI: V_LSHL_B64 [[LO_VREG:VGPR[0-9]+]]_VGPR{{[0-9]+}}, [[SREG]], 2
+; SI-NOT: [[LO_VREG]]
+; SI: BUFFER_STORE_DWORD [[LO_VREG]],
+define void @trunc_shl_i64(i32 addrspace(1)* %out, i64 %a) {
+ %b = shl i64 %a, 2
+ %result = trunc i64 %b to i32
+ store i32 %result, i32 addrspace(1)* %out, align 4
+ ret void
+}