; 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) {
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
+}