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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -mtriple=amdgcn-amd-amdhsa -passes=instcombine -S < %s | FileCheck %s
%struct.type = type { [256 x <2 x i64>] }
@g1 = external hidden addrspace(3) global %struct.type, align 16
; This test requires the PtrReplacer to replace users in an RPO traversal.
; Furthermore, %ptr.else need not to be replaced so it must be retained in
; %ptr.sink.
define <2 x i64> @func(ptr addrspace(4) byref(%struct.type) align 16 %0, i1 %cmp.0) {
; CHECK-LABEL: define <2 x i64> @func(
; CHECK-SAME: ptr addrspace(4) byref([[STRUCT_TYPE:%.*]]) align 16 [[TMP0:%.*]], i1 [[CMP_0:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: br i1 [[CMP_0]], label %[[IF_THEN:.*]], label %[[IF_ELSE:.*]]
; CHECK: [[IF_THEN]]:
; CHECK-NEXT: [[VAL_THEN:%.*]] = addrspacecast ptr addrspace(4) [[TMP0]] to ptr
; CHECK-NEXT: br label %[[SINK:.*]]
; CHECK: [[IF_ELSE]]:
; CHECK-NEXT: [[PTR_ELSE:%.*]] = load ptr, ptr addrspace(3) getelementptr inbounds nuw (i8, ptr addrspace(3) @g1, i32 32), align 16
; CHECK-NEXT: br label %[[SINK]]
; CHECK: [[SINK]]:
; CHECK-NEXT: [[PTR_SINK:%.*]] = phi ptr [ [[PTR_ELSE]], %[[IF_ELSE]] ], [ [[VAL_THEN]], %[[IF_THEN]] ]
; CHECK-NEXT: [[VAL_SINK:%.*]] = load <2 x i64>, ptr [[PTR_SINK]], align 16
; CHECK-NEXT: ret <2 x i64> [[VAL_SINK]]
;
entry:
%coerce = alloca %struct.type, align 16, addrspace(5)
call void @llvm.memcpy.p5.p4.i64(ptr addrspace(5) align 16 %coerce, ptr addrspace(4) align 16 %0, i64 4096, i1 false)
br i1 %cmp.0, label %if.then, label %if.else
if.then: ; preds = %entry
%ptr.then = getelementptr inbounds i8, ptr addrspace(5) %coerce, i64 0
%val.then = addrspacecast ptr addrspace(5) %ptr.then to ptr
br label %sink
if.else: ; preds = %entry
%ptr.else = load ptr, ptr addrspace(3) getelementptr inbounds nuw (i8, ptr addrspace(3) @g1, i32 32), align 16
%val.else = getelementptr inbounds nuw i8, ptr %ptr.else, i64 0
br label %sink
sink:
%ptr.sink = phi ptr [ %val.else, %if.else ], [ %val.then, %if.then ]
%val.sink = load <2 x i64>, ptr %ptr.sink, align 16
ret <2 x i64> %val.sink
}
define <2 x i64> @func_phi_loop(ptr addrspace(4) byref(%struct.type) align 16 %0, i1 %cmp.0) {
; CHECK-LABEL: define <2 x i64> @func_phi_loop(
; CHECK-SAME: ptr addrspace(4) byref([[STRUCT_TYPE:%.*]]) align 16 [[TMP0:%.*]], i1 [[CMP_0:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: [[VAL_0:%.*]] = addrspacecast ptr addrspace(4) [[TMP0]] to ptr
; CHECK-NEXT: br label %[[LOOP:.*]]
; CHECK: [[LOOP]]:
; CHECK-NEXT: [[PTR_PHI_R:%.*]] = phi ptr [ [[PTR_1:%.*]], %[[LOOP]] ], [ [[VAL_0]], %[[ENTRY]] ]
; CHECK-NEXT: [[PTR_1]] = load ptr, ptr addrspace(3) getelementptr inbounds nuw (i8, ptr addrspace(3) @g1, i32 32), align 16
; CHECK-NEXT: br i1 [[CMP_0]], label %[[LOOP]], label %[[SINK:.*]]
; CHECK: [[SINK]]:
; CHECK-NEXT: [[VAL_SINK:%.*]] = load <2 x i64>, ptr [[PTR_PHI_R]], align 16
; CHECK-NEXT: ret <2 x i64> [[VAL_SINK]]
;
entry:
%coerce = alloca %struct.type, align 16, addrspace(5)
call void @llvm.memcpy.p5.p4.i64(ptr addrspace(5) align 16 %coerce, ptr addrspace(4) align 16 %0, i64 4096, i1 false)
%ptr.0 = getelementptr inbounds i8, ptr addrspace(5) %coerce, i64 0
%val.0 = addrspacecast ptr addrspace(5) %ptr.0 to ptr
br label %loop
loop:
%ptr.phi = phi ptr [ %val.1, %loop ], [ %val.0, %entry ]
%ptr.1 = load ptr, ptr addrspace(3) getelementptr inbounds nuw (i8, ptr addrspace(3) @g1, i32 32), align 16
%val.1 = getelementptr inbounds nuw i8, ptr %ptr.1, i64 0
br i1 %cmp.0, label %loop, label %sink
sink:
%val.sink = load <2 x i64>, ptr %ptr.phi, align 16
ret <2 x i64> %val.sink
}
declare void @llvm.memcpy.p5.p4.i64(ptr addrspace(5) noalias writeonly captures(none), ptr addrspace(4) noalias readonly captures(none), i64, i1 immarg) #0
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