Files
archived-llvm/test/CodeGen/AMDGPU/select-i1.ll
Matt Arsenault d019e8638a Enable FeatureFlatForGlobal on Volcanic Islands
This switches to the workaround that HSA defaults to
for the mesa path.

This should be applied to the 4.0 branch.

Patch by Vedran Miletić <vedran@miletic.net>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292982 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-24 22:02:15 +00:00

28 lines
1.2 KiB
LLVM

; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; FIXME: This should go in existing select.ll test, except the current testcase there is broken on SI
; FUNC-LABEL: {{^}}select_i1:
; SI: v_cndmask_b32
; SI-NOT: v_cndmask_b32
define void @select_i1(i1 addrspace(1)* %out, i32 %cond, i1 %a, i1 %b) nounwind {
%cmp = icmp ugt i32 %cond, 5
%sel = select i1 %cmp, i1 %a, i1 %b
store i1 %sel, i1 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}s_minmax_i1:
; SI-DAG: buffer_load_ubyte [[COND:v[0-9]+]], off, s{{\[[0-9]+:[0-9]+\]}}, 0 offset:44
; SI-DAG: buffer_load_ubyte [[A:v[0-9]+]], off, s{{\[[0-9]+:[0-9]+\]}}, 0 offset:45
; SI-DAG: buffer_load_ubyte [[B:v[0-9]+]], off, s{{\[[0-9]+:[0-9]+\]}}, 0 offset:46
; SI: v_cmp_eq_u32_e32 vcc, 1, [[COND]]
; SI: v_cndmask_b32_e32 v{{[0-9]+}}, [[B]], [[A]]
define void @s_minmax_i1(i1 addrspace(1)* %out, i1 zeroext %cond, i1 zeroext %a, i1 zeroext %b) nounwind {
%cmp = icmp slt i1 %cond, false
%sel = select i1 %cmp, i1 %a, i1 %b
store i1 %sel, i1 addrspace(1)* %out, align 4
ret void
}