mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-22 07:32:48 +00:00
b730c3d28d
Don't try to convert the select condition type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212750 91177308-0d34-0410-b5e6-96231b3b80d8
51 lines
1.6 KiB
LLVM
51 lines
1.6 KiB
LLVM
; 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) {
|
|
entry:
|
|
%0 = icmp ugt i32 %cond, 5
|
|
%1 = select i1 %0, i64 0, 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
|
|
}
|