115 lines
6.4 KiB
LLVM
115 lines
6.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
|
|
; RUN: llc -simplify-mir -global-isel -mtriple=amdgcn -stop-after=irtranslator -verify-machineinstrs %s -o - | FileCheck %s
|
|
|
|
; Check the flags set on the memory operands for loads determined to
|
|
; be constants by alias analysis.
|
|
|
|
@const_gv0 = external addrspace(1) constant i32, align 4
|
|
@const_gv1 = external addrspace(1) constant i32, align 4
|
|
@const_struct_gv = external addrspace(1) constant { i32, i64 }, align 8
|
|
|
|
define i32 @load_const_i32_gv() {
|
|
; CHECK-LABEL: name: load_const_i32_gv
|
|
; CHECK: bb.1 (%ir-block.0):
|
|
; CHECK-NEXT: [[GV:%[0-9]+]]:_(p1) = G_GLOBAL_VALUE @const_gv0
|
|
; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV]](p1) :: (dereferenceable invariant load (s32) from @const_gv0, addrspace 1)
|
|
; CHECK-NEXT: $vgpr0 = COPY [[LOAD]](s32)
|
|
; CHECK-NEXT: SI_RETURN implicit $vgpr0
|
|
%load = load i32, ptr addrspace(1) @const_gv0, align 4
|
|
ret i32 %load
|
|
}
|
|
|
|
define i32 @load_select_const_i32_gv(i1 %cond) {
|
|
; CHECK-LABEL: name: load_select_const_i32_gv
|
|
; CHECK: bb.1 (%ir-block.0):
|
|
; CHECK-NEXT: liveins: $vgpr0
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
|
|
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s1) = G_TRUNC [[COPY]](s32)
|
|
; CHECK-NEXT: [[GV:%[0-9]+]]:_(p1) = G_GLOBAL_VALUE @const_gv0
|
|
; CHECK-NEXT: [[GV1:%[0-9]+]]:_(p1) = G_GLOBAL_VALUE @const_gv1
|
|
; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(p1) = G_SELECT [[TRUNC]](s1), [[GV]], [[GV1]]
|
|
; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[SELECT]](p1) :: (dereferenceable invariant load (s32) from %ir.select, addrspace 1)
|
|
; CHECK-NEXT: $vgpr0 = COPY [[LOAD]](s32)
|
|
; CHECK-NEXT: SI_RETURN implicit $vgpr0
|
|
%select = select i1 %cond, ptr addrspace(1) @const_gv0, ptr addrspace(1) @const_gv1
|
|
%load = load i32, ptr addrspace(1) %select, align 4
|
|
ret i32 %load
|
|
}
|
|
|
|
define { i32, i64 } @load_const_struct_gv() {
|
|
; CHECK-LABEL: name: load_const_struct_gv
|
|
; CHECK: bb.1 (%ir-block.0):
|
|
; CHECK-NEXT: [[GV:%[0-9]+]]:_(p1) = G_GLOBAL_VALUE @const_struct_gv
|
|
; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV]](p1) :: (dereferenceable invariant load (s32) from @const_struct_gv, align 8, addrspace 1)
|
|
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
|
|
; CHECK-NEXT: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[GV]], [[C]](s64)
|
|
; CHECK-NEXT: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p1) :: (dereferenceable invariant load (s64) from @const_struct_gv + 8, addrspace 1)
|
|
; CHECK-NEXT: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[LOAD1]](s64)
|
|
; CHECK-NEXT: $vgpr0 = COPY [[LOAD]](s32)
|
|
; CHECK-NEXT: $vgpr1 = COPY [[UV]](s32)
|
|
; CHECK-NEXT: $vgpr2 = COPY [[UV1]](s32)
|
|
; CHECK-NEXT: SI_RETURN implicit $vgpr0, implicit $vgpr1, implicit $vgpr2
|
|
%load = load { i32, i64 }, ptr addrspace(1) @const_struct_gv, align 8
|
|
ret { i32, i64 } %load
|
|
}
|
|
|
|
define void @test_memcpy_p1_constaddr_i64(ptr addrspace(1) %dst, ptr addrspace(4) %src) {
|
|
; CHECK-LABEL: name: test_memcpy_p1_constaddr_i64
|
|
; CHECK: bb.1 (%ir-block.0):
|
|
; CHECK-NEXT: liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
|
|
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
|
|
; CHECK-NEXT: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[COPY]](s32), [[COPY1]](s32)
|
|
; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(s32) = COPY $vgpr2
|
|
; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(s32) = COPY $vgpr3
|
|
; CHECK-NEXT: [[MV1:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[COPY2]](s32), [[COPY3]](s32)
|
|
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
|
|
; CHECK-NEXT: G_MEMCPY [[MV]](p1), [[MV1]](p4), [[C]](s64), 0 :: (store (s8) into %ir.dst, addrspace 1), (dereferenceable invariant load (s8) from %ir.src, addrspace 4)
|
|
; CHECK-NEXT: SI_RETURN
|
|
call void @llvm.memcpy.p1.p4.i64(ptr addrspace(1) %dst, ptr addrspace(4) %src, i64 32, i1 false)
|
|
ret void
|
|
}
|
|
|
|
define void @test_memcpy_inline_p1_constaddr_i64(ptr addrspace(1) %dst, ptr addrspace(4) %src) {
|
|
; CHECK-LABEL: name: test_memcpy_inline_p1_constaddr_i64
|
|
; CHECK: bb.1 (%ir-block.0):
|
|
; CHECK-NEXT: liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
|
|
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
|
|
; CHECK-NEXT: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[COPY]](s32), [[COPY1]](s32)
|
|
; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(s32) = COPY $vgpr2
|
|
; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(s32) = COPY $vgpr3
|
|
; CHECK-NEXT: [[MV1:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[COPY2]](s32), [[COPY3]](s32)
|
|
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
|
|
; CHECK-NEXT: G_MEMCPY_INLINE [[MV]](p1), [[MV1]](p4), [[C]](s64) :: (store (s8) into %ir.dst, addrspace 1), (dereferenceable invariant load (s8) from %ir.src, addrspace 4)
|
|
; CHECK-NEXT: SI_RETURN
|
|
call void @llvm.memcpy.inline.p1.p4.i64(ptr addrspace(1) %dst, ptr addrspace(4) %src, i64 32, i1 false)
|
|
ret void
|
|
}
|
|
|
|
define void @test_memmove_p1_constaddr_i64(ptr addrspace(1) %dst, ptr addrspace(4) %src) {
|
|
; CHECK-LABEL: name: test_memmove_p1_constaddr_i64
|
|
; CHECK: bb.1 (%ir-block.0):
|
|
; CHECK-NEXT: liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
|
|
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
|
|
; CHECK-NEXT: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[COPY]](s32), [[COPY1]](s32)
|
|
; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(s32) = COPY $vgpr2
|
|
; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(s32) = COPY $vgpr3
|
|
; CHECK-NEXT: [[MV1:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[COPY2]](s32), [[COPY3]](s32)
|
|
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
|
|
; CHECK-NEXT: G_MEMMOVE [[MV]](p1), [[MV1]](p4), [[C]](s64), 0 :: (store (s8) into %ir.dst, addrspace 1), (dereferenceable invariant load (s8) from %ir.src, addrspace 4)
|
|
; CHECK-NEXT: SI_RETURN
|
|
call void @llvm.memmove.p1.p4.i64(ptr addrspace(1) %dst, ptr addrspace(4) %src, i64 32, i1 false)
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.memcpy.p1.p4.i64(ptr addrspace(1) noalias nocapture writeonly, ptr addrspace(4) noalias nocapture readonly, i64, i1 immarg) #0
|
|
declare void @llvm.memcpy.inline.p1.p4.i64(ptr addrspace(1) noalias nocapture writeonly, ptr addrspace(4) noalias nocapture readonly, i64, i1 immarg) #0
|
|
declare void @llvm.memmove.p1.p4.i64(ptr addrspace(1) nocapture writeonly, ptr addrspace(4) nocapture readonly, i64, i1 immarg) #0
|
|
|
|
attributes #0 = { argmemonly nofree nounwind willreturn }
|