forked from OSchip/llvm-project
40 lines
1.5 KiB
LLVM
40 lines
1.5 KiB
LLVM
; XFAIL: *
|
|
; RUN: llc -verify-machineinstrs -march=amdgcn -mcpu=SI -mattr=-promote-alloca < %s | FileCheck -check-prefix=SI %s
|
|
; RUN: llc -verify-machineinstrs -march=amdgcn -mcpu=tonga -mattr=-promote-alloca < %s | FileCheck -check-prefix=SI %s
|
|
|
|
; 64-bit select was originally lowered with a build_pair, and this
|
|
; could be simplified to 1 cndmask instead of 2, but that broken when
|
|
; it started being implemented with a v2i32 build_vector and
|
|
; bitcasting.
|
|
define void @trunc_select_i64(i32 addrspace(1)* %out, i64 %a, i64 %b, i32 %c) {
|
|
%cmp = icmp eq i32 %c, 0
|
|
%select = select i1 %cmp, i64 %a, i64 %b
|
|
%trunc = trunc i64 %select to i32
|
|
store i32 %trunc, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; FIXME: Fix truncating store for local memory
|
|
; SI-LABEL: {{^}}trunc_load_alloca_i64:
|
|
; SI: v_movrels_b32
|
|
; SI-NOT: v_movrels_b32
|
|
; SI: s_endpgm
|
|
define void @trunc_load_alloca_i64(i64 addrspace(1)* %out, i32 %a, i32 %b) {
|
|
%idx = add i32 %a, %b
|
|
%alloca = alloca i64, i32 4
|
|
%gep0 = getelementptr i64, i64* %alloca, i64 0
|
|
%gep1 = getelementptr i64, i64* %alloca, i64 1
|
|
%gep2 = getelementptr i64, i64* %alloca, i64 2
|
|
%gep3 = getelementptr i64, i64* %alloca, i64 3
|
|
store i64 24, i64* %gep0, align 8
|
|
store i64 9334, i64* %gep1, align 8
|
|
store i64 3935, i64* %gep2, align 8
|
|
store i64 9342, i64* %gep3, align 8
|
|
%gep = getelementptr i64, i64* %alloca, i32 %idx
|
|
%load = load i64, i64* %gep, align 8
|
|
%mask = and i64 %load, 4294967296
|
|
%add = add i64 %mask, -1
|
|
store i64 %add, i64 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|