R600: Modernize test

[oota-llvm.git] / test / CodeGen / R600 / select64.ll

diff --git a/test/CodeGen/R600/select64.ll b/test/CodeGen/R600/select64.ll
index 2b905a3035c75ccafa11d39bcc0dc48f477f2ca3..dba25e3bd21e6da8eb349cb4d1dd22561e141628 100644 (file)
--- a/test/CodeGen/R600/select64.ll
+++ b/test/CodeGen/R600/select64.ll
@@ -1,6 +1,9 @@
 ; RUN: llc < %s -march=r600 -mcpu=SI -verify-machineinstrs | FileCheck %s
 
 ; CHECK-LABEL: @select0
+; i64 select should be split into two i32 selects, and we shouldn't need
+; to use a shfit to extract the hi dword of the input.
+; CHECK-NOT: S_LSHR_B64
 ; CHECK: V_CNDMASK
 ; CHECK: V_CNDMASK
 define void @select0(i64 addrspace(1)* %out, i32 %cond, i64 %in) {
@@ -10,3 +13,38 @@ entry:
   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
+}