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llvm-mirror/test/CodeGen/AMDGPU/zext-lid.ll
Scott Linder d756c8ad95 [SelectionDAG] Handle constant range [0,1) in lowerRangeToAssertZExt
lowerRangeToAssertZExt currently relies on something like EarlyCSE having
eliminated the constant range [0,1). At -O0 this leads to an assert.

Differential Revision: https://reviews.llvm.org/D53888

llvm-svn: 345770
2018-10-31 19:57:36 +00:00

121 lines
4.6 KiB
LLVM

; RUN: llc -march=amdgcn < %s | FileCheck %s
; RUN: llc -O0 -march=amdgcn < %s | FileCheck %s
; RUN: opt -S -mtriple=amdgcn-- -amdgpu-lower-intrinsics < %s | FileCheck -check-prefix=OPT %s
; CHECK-NOT: and_b32
; OPT-LABEL: @zext_grp_size_128
; OPT: tail call i32 @llvm.amdgcn.workitem.id.x(), !range !0
; OPT: tail call i32 @llvm.amdgcn.workitem.id.y(), !range !0
; OPT: tail call i32 @llvm.amdgcn.workitem.id.z(), !range !0
define amdgpu_kernel void @zext_grp_size_128(i32 addrspace(1)* nocapture %arg) #0 {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp1 = and i32 %tmp, 127
store i32 %tmp1, i32 addrspace(1)* %arg, align 4
%tmp2 = tail call i32 @llvm.amdgcn.workitem.id.y()
%tmp3 = and i32 %tmp2, 127
%tmp4 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 1
store i32 %tmp3, i32 addrspace(1)* %tmp4, align 4
%tmp5 = tail call i32 @llvm.amdgcn.workitem.id.z()
%tmp6 = and i32 %tmp5, 127
%tmp7 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 2
store i32 %tmp6, i32 addrspace(1)* %tmp7, align 4
ret void
}
; OPT-LABEL: @zext_grp_size_32x4x1
; OPT: tail call i32 @llvm.amdgcn.workitem.id.x(), !range !2
; OPT: tail call i32 @llvm.amdgcn.workitem.id.y(), !range !3
; OPT: tail call i32 @llvm.amdgcn.workitem.id.z(), !range !4
define amdgpu_kernel void @zext_grp_size_32x4x1(i32 addrspace(1)* nocapture %arg) #0 !reqd_work_group_size !0 {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp1 = and i32 %tmp, 31
store i32 %tmp1, i32 addrspace(1)* %arg, align 4
%tmp2 = tail call i32 @llvm.amdgcn.workitem.id.y()
%tmp3 = and i32 %tmp2, 3
%tmp4 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 1
store i32 %tmp3, i32 addrspace(1)* %tmp4, align 4
%tmp5 = tail call i32 @llvm.amdgcn.workitem.id.z()
%tmp6 = and i32 %tmp5, 1
%tmp7 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 2
store i32 %tmp6, i32 addrspace(1)* %tmp7, align 4
ret void
}
; When EarlyCSE is not run this call produces a range max with 0 active bits,
; which is a special case as an AssertZext from width 0 is invalid.
; OPT-LABEL: @zext_grp_size_1x1x1
; OPT: tail call i32 @llvm.amdgcn.workitem.id.x(), !range !4
define amdgpu_kernel void @zext_grp_size_1x1x1(i32 addrspace(1)* nocapture %arg) #0 !reqd_work_group_size !1 {
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp1 = and i32 %tmp, 1
store i32 %tmp1, i32 addrspace(1)* %arg, align 4
ret void
}
; OPT-LABEL: @zext_grp_size_512
; OPT: tail call i32 @llvm.amdgcn.workitem.id.x(), !range !6
; OPT: tail call i32 @llvm.amdgcn.workitem.id.y(), !range !6
; OPT: tail call i32 @llvm.amdgcn.workitem.id.z(), !range !6
define amdgpu_kernel void @zext_grp_size_512(i32 addrspace(1)* nocapture %arg) #1 {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp1 = and i32 %tmp, 65535
store i32 %tmp1, i32 addrspace(1)* %arg, align 4
%tmp2 = tail call i32 @llvm.amdgcn.workitem.id.y()
%tmp3 = and i32 %tmp2, 65535
%tmp4 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 1
store i32 %tmp3, i32 addrspace(1)* %tmp4, align 4
%tmp5 = tail call i32 @llvm.amdgcn.workitem.id.z()
%tmp6 = and i32 %tmp5, 65535
%tmp7 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 2
store i32 %tmp6, i32 addrspace(1)* %tmp7, align 4
ret void
}
; OPT-LABEL: @func_test_workitem_id_x_known_max_range(
; OPT: tail call i32 @llvm.amdgcn.workitem.id.x(), !range !0
define void @func_test_workitem_id_x_known_max_range(i32 addrspace(1)* nocapture %out) #0 {
entry:
%id = tail call i32 @llvm.amdgcn.workitem.id.x()
%and = and i32 %id, 1023
store i32 %and, i32 addrspace(1)* %out, align 4
ret void
}
; OPT-LABEL: @func_test_workitem_id_x_default_range(
; OPT: tail call i32 @llvm.amdgcn.workitem.id.x(), !range !7
define void @func_test_workitem_id_x_default_range(i32 addrspace(1)* nocapture %out) #4 {
entry:
%id = tail call i32 @llvm.amdgcn.workitem.id.x()
%and = and i32 %id, 1023
store i32 %and, i32 addrspace(1)* %out, align 4
ret void
}
declare i32 @llvm.amdgcn.workitem.id.x() #2
declare i32 @llvm.amdgcn.workitem.id.y() #2
declare i32 @llvm.amdgcn.workitem.id.z() #2
attributes #0 = { nounwind "amdgpu-flat-work-group-size"="64,128" }
attributes #1 = { nounwind "amdgpu-flat-work-group-size"="512,512" }
attributes #2 = { nounwind readnone speculatable }
attributes #3 = { nounwind readnone }
attributes #4 = { nounwind }
!0 = !{i32 32, i32 4, i32 1}
!1 = !{i32 1, i32 1, i32 1}
; OPT: !0 = !{i32 0, i32 128}
; OPT: !1 = !{i32 32, i32 4, i32 1}
; OPT: !2 = !{i32 0, i32 32}
; OPT: !3 = !{i32 0, i32 4}
; OPT: !4 = !{i32 0, i32 1}
; OPT: !5 = !{i32 1, i32 1, i32 1}
; OPT: !6 = !{i32 0, i32 512}
; OPT: !7 = !{i32 0, i32 1024}