You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
35 lines
1.4 KiB
35 lines
1.4 KiB
; RUN: llc < %s -march=nvptx -mcpu=sm_35 | FileCheck %s
|
|
|
|
; Verify that we correctly emit code for extending ldg/ldu. We do not expose
|
|
; extending variants in the backend, but the ldg/ldu selection code may pick
|
|
; extending loads as candidates. We do want to support this, so make sure we
|
|
; emit the necessary cvt.* instructions to implement the extension and let ptxas
|
|
; emit the real extending loads.
|
|
|
|
target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64"
|
|
target triple = "nvptx64-nvidia-cuda"
|
|
|
|
; CHECK-LABEL: spam
|
|
define ptx_kernel void @spam(i8 addrspace(1)* noalias nocapture readonly %arg, i8 addrspace(1)* noalias nocapture %arg1, i64 %arg2, i64 %arg3) #0 {
|
|
bb:
|
|
%tmp = bitcast i8 addrspace(1)* %arg to i16 addrspace(1)*
|
|
%tmp4 = bitcast i8 addrspace(1)* %arg1 to i64 addrspace(1)*
|
|
%tmp5 = add nsw i64 %arg3, 8
|
|
%tmp6 = getelementptr i16, i16 addrspace(1)* %tmp, i64 %tmp5
|
|
; CHECK: ld.global.nc.u16
|
|
%tmp7 = load i16, i16 addrspace(1)* %tmp6, align 2
|
|
; CHECK: cvt.s32.s16
|
|
%tmp8 = sext i16 %tmp7 to i64
|
|
%tmp9 = mul nsw i64 %tmp8, %tmp8
|
|
%tmp10 = load i64, i64 addrspace(1)* %tmp4, align 8
|
|
%tmp11 = add nsw i64 %tmp9, %tmp10
|
|
store i64 %tmp11, i64 addrspace(1)* %tmp4, align 8
|
|
ret void
|
|
}
|
|
|
|
attributes #0 = { norecurse nounwind "polly.skip.fn" }
|
|
|
|
!nvvm.annotations = !{!0}
|
|
|
|
!0 = !{void (i8 addrspace(1)*, i8 addrspace(1)*, i64, i64)* @spam, !"maxntidx", i64 1, !"maxntidy", i64 1, !"maxntidz", i64 1}
|