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llvm-mirror/test/CodeGen/NVPTX/redux-sync.ll
Steffen Larsen 1e7a7bb573 [Clang][NVPTX] Add NVPTX intrinsics and builtins for CUDA PTX redux.sync instructions
Adds NVPTX builtins and intrinsics for the CUDA PTX `redux.sync` instructions
for `sm_80` architecture or newer.

PTX ISA description of `redux.sync`:
https://docs.nvidia.com/cuda/parallel-thread-execution/index.html#parallel-synchronization-and-communication-instructions-redux-sync

Authored-by: Steffen Larsen <steffen.larsen@codeplay.com>

Differential Revision: https://reviews.llvm.org/D100124
2021-05-17 09:46:59 -07:00

66 lines
2.1 KiB
LLVM

; RUN: llc < %s -march=nvptx64 -mcpu=sm_80 -mattr=+ptx70 | FileCheck %s
declare i32 @llvm.nvvm.redux.sync.umin(i32, i32)
; CHECK-LABEL: .func{{.*}}redux_sync_min_u32
define i32 @redux_sync_min_u32(i32 %src, i32 %mask) {
; CHECK: redux.sync.min.u32
%val = call i32 @llvm.nvvm.redux.sync.umin(i32 %src, i32 %mask)
ret i32 %val
}
declare i32 @llvm.nvvm.redux.sync.umax(i32, i32)
; CHECK-LABEL: .func{{.*}}redux_sync_max_u32
define i32 @redux_sync_max_u32(i32 %src, i32 %mask) {
; CHECK: redux.sync.max.u32
%val = call i32 @llvm.nvvm.redux.sync.umax(i32 %src, i32 %mask)
ret i32 %val
}
declare i32 @llvm.nvvm.redux.sync.add(i32, i32)
; CHECK-LABEL: .func{{.*}}redux_sync_add_s32
define i32 @redux_sync_add_s32(i32 %src, i32 %mask) {
; CHECK: redux.sync.add.s32
%val = call i32 @llvm.nvvm.redux.sync.add(i32 %src, i32 %mask)
ret i32 %val
}
declare i32 @llvm.nvvm.redux.sync.min(i32, i32)
; CHECK-LABEL: .func{{.*}}redux_sync_min_s32
define i32 @redux_sync_min_s32(i32 %src, i32 %mask) {
; CHECK: redux.sync.min.s32
%val = call i32 @llvm.nvvm.redux.sync.min(i32 %src, i32 %mask)
ret i32 %val
}
declare i32 @llvm.nvvm.redux.sync.max(i32, i32)
; CHECK-LABEL: .func{{.*}}redux_sync_max_s32
define i32 @redux_sync_max_s32(i32 %src, i32 %mask) {
; CHECK: redux.sync.max.s32
%val = call i32 @llvm.nvvm.redux.sync.max(i32 %src, i32 %mask)
ret i32 %val
}
declare i32 @llvm.nvvm.redux.sync.and(i32, i32)
; CHECK-LABEL: .func{{.*}}redux_sync_and_b32
define i32 @redux_sync_and_b32(i32 %src, i32 %mask) {
; CHECK: redux.sync.and.b32
%val = call i32 @llvm.nvvm.redux.sync.and(i32 %src, i32 %mask)
ret i32 %val
}
declare i32 @llvm.nvvm.redux.sync.xor(i32, i32)
; CHECK-LABEL: .func{{.*}}redux_sync_xor_b32
define i32 @redux_sync_xor_b32(i32 %src, i32 %mask) {
; CHECK: redux.sync.xor.b32
%val = call i32 @llvm.nvvm.redux.sync.xor(i32 %src, i32 %mask)
ret i32 %val
}
declare i32 @llvm.nvvm.redux.sync.or(i32, i32)
; CHECK-LABEL: .func{{.*}}redux_sync_or_b32
define i32 @redux_sync_or_b32(i32 %src, i32 %mask) {
; CHECK: redux.sync.or.b32
%val = call i32 @llvm.nvvm.redux.sync.or(i32 %src, i32 %mask)
ret i32 %val
}